Orchidaceae

Abdominea J.J.Sm.

1. Abdominea intricata Cabactulan, Cootes, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 3; ≡ Robiquetia intricata (Cabactulan, Cootes, M.Leon & R.B.Pimentel) R.Rice, Photo Intro Asian Bulbophyllum Coelogyne Dendrobium Orchids (2019) 187; Type: M.D. De Leon MDL1803001 (CAHUP073541, holo), Mindanao: Bukidnon, c. 1600m, 20-Jan-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, South Cotabato (photos). Notes: 1600m. Native.
2. Abdominea minimiflora (Hook.f.) J.J.Sm., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 25 (1917) 98; Cootes, Philippine Native Orchid Species (2011) 15; ≡ Robiquetia minimiflora (Hook.f.) Kocyan & Schuit., Phytotaxa 161 (2014) 70; ≡ Schoenorchis minimiflora (Hook.f.) Ames, Orchidaceae 5 (1915) 241; ≡ Gastrochilus minimiflorus (Hook.f.) Kuntze, Revis. Gen. Pl. 2 (1891) 661; ≡ Saccolabium minimiflorum Hook.f., Fl. Brit. India 6 (1890) 59. = Schoenorchis philippinensis Ames, Orchidaceae 5 (1915) 241; Ames in Merrill, EPFP 1 (1925) 436. Distribution: Borneo, Java, Lesser Sunda Isls, Malay Peninsula, Philippines, Thailand. BOHOL, LEYTE, LUZON: Nueva Vizcaya, MINDANAO: Agusan, Bukidnon, Cotabato, South Cotabato (photos), SAMAR. Notes: Epiphytic. 500-1000m. Native.

Acampe Lindl.

1. Acampe rigida (Buch.-Ham. ex Sm.) P.F.Hunt, Kew Bull. 24 (1970) 98; ≡ Aerides rigida Buch.-Ham. ex Sm., Cycl. 39 (1818) n.12; Type: from Nepal. Distribution: Nepal, Philippines, Taiwan. Native.

Acanthophippium Blume

1. Acanthophippium mantinianum L.Linden & Cogn., J. Orchidées 7 (1896) 138; Ames in Merrill, EPFP 1 (1924) 330; Cootes, Orch. Philip. (2001) 20; Cootes, Philippine Native Orchid Species (2011) 15. Distribution: Endemic to the Philippines. LEYTE, LUZON: Abra (photos), Albay (photos), Cavite, Kalinga, Laguna, Mountain Province, Nueva Ecija, Nueva Vizcaya, Quezon, Rizal (photos), Sorsogon, MINDANAO: Davao Oriental (photos), MINDORO, NEGROS, PANAY (photos). Notes: Wet places and shaded spots. 320m (photos) to 500-1500m. DAO category: Other Threatened Species. Native.
2. Acanthophippium pictum Fukuy., Bot. Mag. (Tokyo) 49 (1935) 666; Type: from Taiwan. Distribution: Philippines, Ryukyu Isls, Taiwan. LUZON: Camarines Sur (photos), MINDANAO: Zamboanga del Norte (photos), NEGROS (photos), SAMAR. Notes: 950m (photos). Native.

Possibly present

1. Acanthophippium javanicum Blume, Bijdr. fl. Ned. Ind. (1825) 354; Holttum, Rev. Fl. Malaya 1 (1954) 148. Distribution: Borneo, Java, Malay Peninsula, ?Philippines, Sumatra. ?PALAWAN.
2. Acanthophippium sylhetense Lindl., Gen. Sp. Orchid. Pl. (1831) 177. Distribution: Bangladesh, ?Philippines, Taiwan.

Acriopsis Reinw. ex Blume

1. Acriopsis floribunda Ames, Orchidaceae 6 (1920) 306; Ames in Merrill, EPFP 1 (1925) 398; ≡ Acriopsis liliifolia var. floribunda (Ames) Minderh. & de Vogel, Orchid Monogr. 1 (1986) 13; Type: BS 35112 Ramos & Pascasio (AMES, holo; AMES, K, iso). Distribution: Endemic to the Philippines. BUCAS GRANDE, MINDANAO: Surigao del Norte. Native.
2. Acriopsis indica Wight, Icon. Pl. Ind. Orient. (Wight) 5 (1851) t.1748; Ames in Merrill, EPFP 1 (1925) 398; Cootes, Philippine Native Orchid Species (2011) 16. Distribution: Borneo, Cambodia, China, India, Java, Laos, Malay Peninsula, Myanmar, Philippines, Thailand, Vietnam. LUZON: Kalinga, Nueva Ecija, Quezon. Notes: Epiphyte. 0-1000m. Native.
3. Acriopsis liliifolia (J.Koenig) Ormerod, Opera Bot. 124 (1995) 58; Cootes, Philippine Native Orchid Species (2011) 16; ≡ Epidendrum liliifolium J.Koenig, Observ. Bot. (Retzius) 6 (1791) 61. Distribution: LEYTE, LUZON: Quezon, Sorsogon, MINDANAO: Agusan, Davao, Lanao del Sur, Misamis, Zamboanga del Norte (photos), MINDORO, SAMAR. Notes: (?-)375-1600m. Native.
   • var. liliifolia; Odulio et al., Biodivers. Data J. 14 (2026) 27. = Acriopsis javanica Reinw. ex Blume, Cat. Gew. Buitenzorg (1823) 97; Ames in Merrill, EPFP 1 (1925) 398; Cootes, Orch. Philip. (2001) 21. Distribution: Australia, Borneo, Cambodia, Java, Laos, Malay Peninsula, New Guinea, Philippines, Solomon Isls, Sulawesi, Sumatra, Thailand, Vietnam. LEYTE, LUZON: Quezon, Sorsogon, MINDANAO: Agusan, Davao, Lanao del Sur, Misamis, SAMAR. Notes: Epiphytic or lithophythic, frequently in exposed sites. (?-)1600m. Native.

Adenoncos Blume

1. Adenoncos parviflora Ridl., J. Linn. Soc., Bot. 32 (1896) 350. Distribution: Borneo, Malay Peninsula, Philippines, Sumatra, Thailand. MINDORO (photos). Notes: Present in the Philippines according to Jim Cootes (pers. comm., 2-Jan-20). Native.
2. Adenoncos virens Blume, Bijdr. fl. Ned. Ind. (1825) 381. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sumatra. MINDANAO: Bukidnon (photos), NEGROS (photos). Native.

Aerides Lour.

1. Aerides confusa Calarami, Cabactulan & Cootes, Die Orchidee 12 (2026) 31; Type: M. Calaramo s.n. (HNUL0021433, holo), Luzon: Ilocos Norte, 800-1000m, Dec-2025. ≠ Aerides inflexa auct. non Teijsm. & Binn.; Cootes, Philippine Native Orchid Species (2011) 17. Distribution: Endemic to the Philippines. LUZON: Ilocos Norte, Nueva Vizcaya, Quezon, Rizal, MINDORO, NEGROS, PANAY. Notes: 800-1000m. Conservation status: Endangered (Calaramo et al. 2026). Native.
2. Aerides cootesii Cabactulan, M.Leon & R.B.Pimentel, OrchideenJ. 2019 (2019) 136; Type: M.D. De Leon MDL1907002 (CAHUP, holo), cultivated. ≠ Aerides odorata auct. non Lour.; Ames in Merr., EPFP 1 (1925) 420; Cootes, Orch. Philip. (2001) 23; Cootes, Philippine Native Orchid Species (2011) 18. Distribution: Endemic to the Philippines. LINAPACAN, LUZON: NCR (photos), MINDORO, PALAWAN. Notes: P.B. Pelser (26-Sep-19), according to Cabactulan (pers. comm. 25-Sep-19), Aerides odorata does not occur in the Philippines. 300m. Native.
3. Aerides jannae Cabactulan & Cootes, Die Orchidee 12 (2026) 22; Type: Burbidge s.n. (K000891413, holo). ≠ Aerides × burbidgei auct. non Rchb.f. ex Burb., nom. inval., nom. nud. Distribution: Philippines. BASILAN (photos), SULU ARCHIPELAGO. Notes: 300-500m. Conservation status: Endangered (Cabactulan & Cootes 2026). Native.
4. Aerides lawrenceae Rchb.f., Gard. Chron., n.s. 20 (1883) 460; Ames in Merrill, EPFP 1 (1925) 420; Cootes, Orch. Philip. (2001) 21; Cootes, Philippine Native Orchid Species (2011) 17. = Aerides lawrenceae forma camposii M.Leon, Cootes & Cabactulan, Orchids Austral. 35 (2023) 21; Type: M.D. De Leon MDD 14 Nov 2019 (PNH, holo), Mindanao: Bukidnon, Manolo Fortich, 10-Feb-2023. = Aerides lawrenceae var. amesiana Sander ex Kraenzl., Gard. Chron., 3rd Ser. 10 (1891) 393; Ames in Merrill, EPFP 1 (1925) 420. = Aerides lawrenceae forma fortichii (Ames & Quisumb.) M.Wolff & O.Gruss, Orchid. Atlas (2007) 31; ≡ Aerides lawrenceae var. fortichii Ames & Quisumb., PJS 56 (1935) 461; Cootes, Orch. Philip. (2001) 22; Cootes, Philippine Native Orchid Species (2011) 17. = Aerides lawrenceae var. punctata Ames & Quisumb., PJS 56 (1935) 462; Cootes, Philippine Native Orchid Species (2011) 18. = Aerides lawrenceae var. sandersiana (Rchb.f.) Sander ex Kraenzl., Xenia Orchid. 3 (1892) 95; Cootes, Philippine Native Orchid Species (2011) 18; ≡ Aerides sanderiana Rchb.f., Gard. Chron., n.s. 22 (1884) 134. Distribution: Endemic to the Philippines. CEBU, LEYTE, MINDANAO: Bukidnon, Cotabato, Davao, Davao del Sur, Misamis Oriental. Notes: Epiphyte. 0-500m. Conservation status: Critically Endangered (IUCN 3.1). DAO category: Endangered. Native.
5. Aerides leeana Rchb.f., Gard. Chron., n.s. 15 (1881) 656; Cootes, Orch. Philip. (2001) 22; Cootes, Philippine Native Orchid Species (2011) 18; Cabactulan & Cootes, Die Orchidee 12 (2026) 26. = Aerides jarckiana Schltr., Orchis 9 (1915) 53; Ames in Merrill, EPFP 1 (1925) 420. = Aerides jarckiana var. smithii Ames & Quisumb., PJS 52 (1933) 457, nom. inval. = Aerides jarckiana forma alba Valmayor & D.Tiu, Philipp. Orchid Rev. 5 (1983) 16; Type: Jarck s.n., Luzon: Lagune von Manila. Distribution: Endemic to the Philippines. CULION, LUZON: Bataan, Camarines Norte, Camarines Sur, Cavite, NCR (photos), Quezon, Rizal, SAMAR. Notes: Mistakenly recorded for Sulawesi (Cabactulan & Cootes 2026). Epiphytic. 800m. Conservation status: Vulnerable (IUCN 3.1). DAO category: Vulnerable. Native.
6. Aerides magnifica Cootes & W.Suarez, OrchideenJ. 2014 (2014) 126; Type: J. Cootes s.n. (NSW821691), Cult. Australia, 26-May-2014, from Babuyan Isls, Calayan. Distribution: Endemic to the Philippines. CALAYAN. Notes: Epiphyte. Native.
7. Aerides migueldavidii Cootes, Cabactulan & Naive, OrchideenJ. 2016 (2016) 159; Type: M.D. De Leon 023/2016 (CMUH00010812, holo), Mindanao: Misamis Oriental, ex cult., 25-May-2016. Distribution: Endemic to the Philippines. MINDANAO: Misamis Oriental, Zamboanga del Sur (photos). Notes: Wally Suarez (pers. comm., 22-Dec-23) noted that he thinks that Aerides migueldavidii is not distinct enough from Aerides roebelenii Rchb.f., because some specimens of the former can have very large midlobes, but this isn't consistent and some plants are indistinguishable from A. roebelenii. Aerides migueldavidii might therefore need to be considered a synonym of Aerides roebelenii Rchb.f. Epiphyte. 20-320m. Native.
8. Aerides quinquevulnera Lindl., Sert. Orchid. (1838) t.30; Ames in Merrill, EPFP 1 (1925) 421; Cootes, Orch. Philip. (2001) 23; Cootes, Philippine Native Orchid Species (2011) 19. = Aerides quinquevulnera forma farmeri (Boxall ex Náves) M.Wolff & O.Gruss, Orchid. Atlas (2007) 32; Cootes, Philippine Native Orchid Species (2011) 19; ≡ Aerides farmeri Boxall ex Náves, Fl. Filip., 3rd Ed. 4(Nov. App.) (1880) 239. = Aerides quinquevulnera forma flava (Valmayor & D.Tiu) W.Suarez, OrchideenJ. 2015 (2015) 60; ≡ Aerides quinquevulnera var. flava Valmayor & D.Tiu, Philipp. Orchid Rev. 5 (1984) 16; Cootes, Orch. Philip. (2001) 24; Cootes, Philippine Native Orchid Species (2011) 20. = Aerides quinquevulnera var. marginata (Rchb.f.) Stein, Orchid.-Buch (1892) 63; Ames in Merrill, EPFP 1 (1925) 422; ≡ Aerides marginata Rchb.f., Gard. Chron., n.s. 23 (1885) 533. = Aerides quinquevulnera forma punctata (Valmayor & D.Tiu) W.Suarez, OrchideenJ. 2015 (2015) 60; ≡ Aerides quinquevulnera var. punctata Valmayor & D.Tiu, Philipp. Orchid Rev. 5 (1984) 16; Cootes, Philippine Native Orchid Species (2011) 20. = Aerides quinquevulnera forma purpurata (Rchb.f.) W.Suarez, OrchideenJ. 2015 (2015) 60; ≡ Aerides quinquevulnera var. purpurata Rchb.f., Gard. Chron., n.s. 16 (1881) 230; Ames in Merrill, EPFP 1 (1925) 422; Cootes, Orch. Philip. (2001) 24; Cootes, Philippine Native Orchid Species (2011) 20. = Aerides quinquevulnera var. schadenbergiana Stein, Orchid.-Buch (1892) 63; Ames in Merrill, EPFP 1 (1925) 422. Distribution: New Guinea, Philippines, Sulawesi. BABUYAN, CALAYAN, LUZON: Abra (photos), Bataan, Benguet, Bulacan, Cavite, Laguna, Mountain Province, Pampanga (photos), Quezon, Rizal, Zambales, MINDORO, NEGROS, PALAWAN. Notes: Throughout Philippines. A common species in and about Rizal at relatively low elevation. Epiphyte. 0-700m (photos) to 2000m. DAO category: Vulnerable. Native.
9. Aerides roebelenii Rchb.f., Gard. Chron., n.s. 21 (1884) 510. = Aerides ortgiesiana Rchb.f., Gard. Chron., n.s. 23 (1885) 501, as 'ortgiesianum'. Distribution: Endemic to the Philippines. MASBATE, NEGROS, PANAY, ROMBLON. Notes: P.B. Pelser (10-Jan-20): distribution within the Philippines as per Derek Cabactulan (pers. comm., 10-Jan-20). Native.
10. Aerides savageana Sand. ex A.H.Kent, Man. Orchid. Pl. 7 (1891) 78; Calaramo et al., Die Orchidee 12 (2026) 35. Distribution: Endemic to the Philippines. LUZON: Quezon, Rizal, MINDORO (photos). Native.
11. Aerides turma M.Leon, Cootes, Cabactulan & R.B.Pimentel, OrchideenJ. 2019 (2019) 139; Type: M.D. De Leon MDL1907004 (CAHUP, holo), cultivated. Distribution: Endemic to the Philippines. LUZON. Notes: 900m. Native.
    • forma anniversarius M.Leon, Cootes, Cabactulan & R.B.Pimentel, OrchideenJ. 2019 (2019) 141; Type: M.D. De Leon MDL1907005 (CAHUP, holo), cultivated. Distribution: Endemic to the Philippines. LUZON. Notes: 900m. Native.
    • forma turma. Distribution: Endemic to the Philippines. LUZON. Native.
12. Aerides upcmae Motes, M.Leon, Cootes & Cabactulan, OrchideenJ. 2020 (2020) 4; Type: M.D. De Leon MDL1912001 (PNH, holo), cultivated from Mindanao: Bukidnon, 1-Dec-2019. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 800-900m. Native.

Possibly present

1. Aerides augustiana Rolfe, Lindenia 5 (1889) 39; Ames in Merrill, EPFP 1 (1925) 420. Distribution: Indonesia, ?Philippines. Notes: “Discovered in the Philippines by Auguste Linden; no specimen seen” Ames in Merrill (1925). See also Calaramo et al. (2026). Native.
2. Aerides shibatiana Boxall ex Náves, Fl. Filip., 3rd Ed. 4(Nov. App.) (1880) 239. Distribution: Indonesia, ?Philippines. Notes: Included by Ames in the list of excluded names, marked as a nomen nudum, possibly “an error for A. thibautianum Rchb.f. “. See also Calaramo et al. (2026). Native.

Aeridostachya (Hook.f.) Brieger

1. Aeridostachya mearnsii (Leav.) Rauschert, Feddes Repert. 94 (1983) 436; ≡ Pinalia mearnsii (Leav.) W.Suarez & Cootes, OrchideenJ. 2009 (2009) 69; ≡ Eria mearnsii Leav., PJS 4c (1909) 216; Ames in Merrill, EPFP 1 (1925) 372. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte, Davao, Misamis. Notes: Wally Suarez (16-Sep-24): Records point to a certain Mts. Bliss and Lebo in Misamis, Todaya around Mt. Apo, and Agusan del Norte. Unfortunately, some of these names don't appear on maps any more and so are not so easy to pinpoint the current locations of. Native.
2. Aeridostachya propinqua (Ames) W.Suarez & Cootes, Philippine Native Orchid Species (2011) 20; ≡ Pinalia propinqua (Ames) W.Suarez & Cootes, OrchideenJ. 2009 (2009) 70; ≡ Eria propinqua Ames, Orchidaceae 7 (1922) 105; Ames in Merrill, EPFP 1 (1925) 374. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, MINDORO. Notes: Epiphyte. 600m. Native.
3. Aeridostachya robusta (Blume) Brieger, Orchideen (Schlechter), 3rd Ed. 1 (1981) 714; Cootes, Philippine Native Orchid Species (2011) 21; ≡ Pinalia robusta (Blume) Kuntze, Revis. Gen. Pl. 2 (1891) 679; ≡ Eria robusta (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 69; ≡ Dendrolirium robustum Blume, Bijdr. fl. Ned. Ind. (1825) 347. = Eria whitfordii Leav., PJS 4c (1909) 215; Ames in Merrill, EPFP 1 (1925) 376. Distribution: Borneo, Java, Malay Peninsula, New Caledonia, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sumatra, Taiwan, Thailand. LEYTE (photos), LUZON: Nueva Ecija, Nueva Vizcaya, Quirino (photos), MINDANAO: Bukidnon. Notes: Epiphyte. 1000m. Native.

Aglossorrhyncha Schltr.

Needs name

1. Aglossorrhyncha sp. Cootes, Orch. Philip. (2001) 207. Distribution: BOHOL. Notes: Insufficiently known, possibly endemic. Not included in Cootes’ 2006 & 2008 orchid checklists. Native.

Agrostophyllum Blume

1. Agrostophyllum agusanense Ormerod, Taiwania 59 (2014) 331; Type: C.M. Weber 161 (AMES, holo), Mindanao: Agusan, Agusan River, near mouth of the Tipgon, 12m, 11-Jul-1911. Distribution: Endemic to the Philippines. MINDANAO: Agusan. Notes: 12m. Native.
2. Agrostophyllum edanoanum Ormerod, Taiwania 59 (2014) 333; Type: G. Edano 2318 BS 78648 (AMES, holo), Luzon: Cagayan, Mt Cagua Volcano, 1150m, 27-Oct-1929. Distribution: Endemic to the Philippines. LUZON: Cagayan. Notes: 1150m. Native.
3. Agrostophyllum elmeri Ames, Schedul. Orchid. 6 (1923) 48; Ames in Merrill, EPFP 1 (1924) 319; Type: Elmer 18047. Distribution: Endemic to the Philippines. LUZON: Laguna. Native.
4. Agrostophyllum elongatum (Ridl.) Schuit., Blumea 35 (1990) 165; Cootes, Philippine Native Orchid Species (2011) 21; ≡ Appendiculopsis elongata (Ridl.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 120; ≡ Appendicula elongata Ridl., Trans. Linn. Soc. London, Bot. 3 (1893) 375; Type: from Peninsular Malaysia. = Agrostophyllum hasseltii (Blume) J.J.Sm., Icon. Bogor. (Boerlage) 2 (1903) 55, nom. illeg., non Rchb.f; Ames in Merrill, EPFP 1 (1924) 319; ≡ Appendicula hasseltii Blume, Bijdr. fl. Ned. Ind. (1825) 304. Distribution: Borneo, Java, Malay Peninsula, Moluccas, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sulawesi, Sumatra. BOHOL, LEYTE, LUZON: Cagayan, Kalinga-Apayao, MINDANAO: Agusan del Norte, Agusan del Sur, Sarangani (photos), SAMAR. Notes: Epiphyte. 0-1000m. Native.
5. Agrostophyllum emwoodiae Ormerod, Taiwania 59 (2014) 334; Type: C.M. Wenzel 0596 (AMES, holo), Leyte: Jaro, Masaganap, 600m, 13-Oct-1914. Distribution: Endemic to the Philippines. LEYTE, LUZON: Laguna, NEGROS. Notes: 600m. Native.
6. Agrostophyllum globiceps Schltr., Bot. Jahrb. Syst. 45(Beibl. 104) (1911) 23; Type: from Indonesia. = Agrostophyllum mearnsii Ames, PJS 8c (1914) 420; Ames in Merrill, EPFP 1 (1924) 320; Type: FB 4607 Mearns & Hutchinson (AMES, holo), Mindanao: Misamis, Mt Bliss, 1735m, May-1906. Distribution: Borneo, Java, Philippines. LUZON: Bataan, MINDANAO: Agusan del Norte, Bukidnon (photos), Davao, Davao del Sur, Misamis Occidental. Notes: 1060-1735m. Native.
7. Agrostophyllum glumaceum Hook.f., Fl. Brit. India 5 (1890) 824; Type: from Malaysia. = Agrostophyllum wenzelii Ames, Orchidaceae 5 (1915) 88; Ames in Merrill, EPFP 1 (1924) 320; Type: C.A. Wenzel 212 (AMES, lecto; AMES, isolecto), Leyte: Jaro, Buahaan, 19-Sep-1913. Distribution: Malaysia, Philippines, Sumatra. LEYTE, LUZON: Rizal, MINDANAO: Agusan, Agusan del Norte. Notes: 60-800m. Native.
8. Agrostophyllum inocephalum (Schauer) Ames, Orchidaceae 2 (1908) 148; Ames in Merrill, EPFP 1 (1924) 319; Cootes, Orch. Philip. (2001) 25; ≡ Diploconchium inocephalum Schauer, Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 19(Suppl. 1) (1843) 428. Distribution: Endemic to the Philippines. LUZON: Bataan, Benguet, MINDANAO: Agusan del Norte, Agusan del Sur, Lanao del Norte, Lanao del Sur. Notes: Erroneously reported for Taiwan (Lin et al. 2016). 500m. Native.
9. Agrostophyllum leytense Ames, Orchidaceae 6 (1920) 298; Ames in Merrill, EPFP 1 (1924) 319. Distribution: Endemic to the Philippines. LEYTE, MINDANAO: Agusan del Norte. Notes: Forest. 600-700m. Native.
10. Agrostophyllum loheri Ormerod, Taiwania 59 (2014) 336; Type: A. Loher 2131B (K, holo; K, icono), Luzon: central Luzon, June. Distribution: Endemic to the Philippines. CEBU (photos), LUZON: Isabela (photos), SAMAR. Native.
11. Agrostophyllum longivaginatum Ames, PJS 8c (1914) 420; Ames in Merrill, EPFP 1 (1924) 319; Cootes, Philippine Native Orchid Species (2011) 22; Type: Weber 345. Distribution: Endemic to the Philippines. LEYTE, LUZON: Albay, Apayao, Cagayan, Kalinga-Apayao, Laguna, Quezon, Rizal, Sorsogon, MINDORO, PANAY. Notes: Epiphyte. 30-600m. Native.
12. Agrostophyllum luzonense Ames & Quisumb., PJS 47 (1932) 197; Cootes, Philippine Native Orchid Species (2011) 22. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya, Quezon, Rizal, Sorsogon, MINDORO, NEGROS. Notes: Epiphyte. 600-1500m. Native.
13. Agrostophyllum malindangense Ames, PJS 6c (1911) 50; Ames in Merrill, EPFP 1 (1924) 320; Type: FB 4610 Mearns & Hutchinson. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao Oriental, Davao del Sur, Misamis Occidental. Native.
14. Agrostophyllum merrillii Ames, PJS 2c (1907) 323; Ames in Merrill, EPFP 1 (1924) 320; Type: Merrill 5844, Mindoro: Mindoro Oriental (Mt Halcon), forest, 1000m. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte, MINDORO. Notes: 1000m. Native.
15. Agrostophyllum mindanense Ames, Orchidaceae 5 (1915) 88; Ames in Merrill, EPFP 1 (1924) 320; ≡ Agrostophyllum pelorioides Ames, PJS 8c (1913) 421, nom. illeg., non Schltr.; Type: Copeland 1119 (AMES, holo), Mindanao: District of Davao, Apr-1904. Distribution: Endemic to the Philippines. MINDANAO: Cotabato, Davao, Davao del Sur. Notes: Mountains. 860m. Native.
16. Agrostophyllum philippinense Ames, PJS 4c (1910) 669; Ames in Merrill, EPFP 1 (1924) 320; Cootes, Philippine Native Orchid Species (2011) 22. Distribution: Endemic to the Philippines. BABUYAN ISLS, CAMIGUIN DE BABUYANES, LEYTE, LUZON: Bataan, Camarines Sur, Isabela, Laguna, Quezon, Rizal, Sorsogon, MINDANAO: Cotabato, Davao, NEGROS. Notes: Epiphyte. 60-700m. Native.
17. Agrostophyllum saccatilabium Ames & Quisumb., PJS 49 (1932) 487; Cootes, Philippine Native Orchid Species (2011) 22; Type: BS 82229 Quisumbing (AMES, holo), Luzon: Benguet, Baguio, from cultivated plant at Mansion House, origin said to be from mountains in the vicinity of Baguio, 6-May-1931. Distribution: Philippines, ?Taiwan. LEYTE, LUZON: Benguet, Laguna, MINDANAO: Davao, Misamis Oriental (photos), South Cotabato (photos), NEGROS. Notes: Present in Taiwan if Agrostophyllum formosanum Rolfe is considered synonymous. Epiphyte. 300-1000m. Native.
18. Agrostophyllum stipulatum (Griff.) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 279; ≡ Appendiculopsis stipulata (Griff.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 120; ≡ Appendicula stipulata Griff., Not. Pl. Asiat. 3 (1851) 358. Distribution: Indochina, Malesia, Philippines, Solomon Isls. Native.
    • ssp. stipulatum. Distribution: Indochina, Malesia, Philippines, Solomon Isls. Native.
19. Agrostophyllum urdanetae Ormerod, Taiwania 59 (2014) 337; Type: Elmer 13852 (AMES, holo), Mindanao: Agusan, Cabadbaran (Mt Urdaneta), 12m, Sep-1912. Distribution: Endemic to the Philippines. MINDANAO: Agusan. Notes: 12m. Native.
20. Agrostophyllum vulcanicum Ormerod, Taiwania 59 (2014) 338; Type: M. Ramos & G.E. Edano BS 75715 (AMES, holo), Luzon: Albay, Mayon Volcano, 915m, Sep-1928. Distribution: Endemic to the Philippines. LUZON: Albay, Benguet. Notes: 915m. Native.

Amesiella Schltr. ex Garay (Endemic)

1. Amesiella minor Senghas, J. Orchideenfr. 6 (1999) 121; Cootes, Philippine Native Orchid Species (2011) 23. Distribution: Endemic to the Philippines. LUZON: Aurora, Nueva Vizcaya. Notes: Epiphyte. 1200m. Native.
2. Amesiella monticola Cootes & D.P.Banks, Orchids Austral. 10 (1998) 26; Cootes, Orch. Philip. (2001) 25; Cootes, Philippine Native Orchid Species (2011) 23. Distribution: Endemic to the Philippines. LUZON: Aurora, ?Benguet, Nueva Vizcaya, Quirino (photos). Notes: Fringes of montane forest. 1800-2200m. Conservation status: Critically Endangered (IUCN 3.1). DAO category: Critically Endangered. Native.
3. Amesiella philippinensis (Ames) Garay, Bot. Mus. Leafl. 23 (1972) 160; Cootes, Orch. Philip. (2001) 25; Cootes, Philippine Native Orchid Species (2011) 24; ≡ Angraecum philippinense Ames, PJS 2c (1907) 336; Ames in Merrill, EPFP 1 (1925) 432. Distribution: Endemic to the Philippines. LUZON: Albay, Nueva Ecija (photos), Nueva Vizcaya (photos), MINDORO. Notes: Epiphytic. 400-1400m. Conservation status: Endangered (IUCN 3.1). DAO category: Endangered. Native.

Ania Lindl.

1. Ania elmeri (Ames) A.D.Hawkes ex Senghas, Orchideen (Schlechter), 3rd Ed. 1 (1984) 863; Cootes, Philippine Native Orchid Species (2011) 24; ≡ Ascotainia elmeri (Ames) Ames, Orchidaceae 5 (1915) 99; Ames in Merrill, EPFP 1 (1924) 336; ≡ Tainia elmeri Ames, LPB 5 (1912) 1570. Distribution: Endemic to the Philippines. LUZON: Abra (photos), Benguet, Cagayan, Mountain Province, Nueva Ecija, Nueva Vizcaya, Rizal, MINDANAO: Agusan del Norte, Davao. Notes: Terrestrial in forests. 0-1300m. Native.

Anoectochilus Blume

Incertae sedis

1. Anoectochilus sp. Ames, Orchidaceae 5 (1915) 36; Ames in Merrill, EPFP 1 (1924) 274. Distribution: LEYTE. Notes: Based on Wenzel 286. Native.

Aphyllorchis Blume

1. Aphyllorchis halconensis Ames, Schedul. Orchid. 6 (1923) 7; Ames in Merrill, EPFP 1 (1924) 264; Cootes, Philippine Native Orchid Species (2011) 25. Distribution: Endemic to the Philippines. LUZON: Laguna, MINDANAO: Agusan del Norte, Davao del Sur, MINDORO, NEGROS. Notes: Terrestrial. 300-1000m. Native.
2. Aphyllorchis montana Rchb.f., Linnaea 41 (1877) 57; Cootes, Philippine Native Orchid Species (2011) 25. = Aphyllorchis benguetensis Ames, Orchidaceae 2 (1908) 49; Ames in Merrill, EPFP 1 (1924) 264; Type: from Sri Lanka. Distribution: Borneo, Cambodia, China, Hong Kong, India, Japan, Malay Peninsula, New Guinea, Philippines, Ryukyu Isls, Sri Lanka, Sumatra, Taiwan, Thailand, Vietnam. LUZON: Benguet, Laguna, Nueva Ecija (photos), Pampanga (photos), Rizal, MINDANAO: Agusan, Davao. Notes: Terrestrial. 500 (photos) to 800-1500m. Native.
3. Aphyllorchis pallida Blume, Tab. Pl. Jav. Orchid. (1825) t. 16; Lindl., Gen. & Sp. Orch. (1840) 536; Blume, Ann. Mus. Bot. Lugd.-Bat. 1 (1849) 30; Ames in Merrill, EPFP 1 (1924) 264; Holttum, Rev. Fl. Malaya 1 (1954) 102. Distribution: Borneo, China, Java, Malay Peninsula, Philippines, Thailand. MINDORO. Notes: Terrestrial in humid forest. 330-930m. Native.

Apostasia Blume

1. Apostasia nuda R.Br., Pl. Asiat. Rar. 1 (1830) 76; Cootes, Philippine Native Orchid Species (2011) 28. Distribution: Borneo, Cambodia, Java, Malay Peninsula, Myanmar, Philippines, Sumatra, Thailand, Vietnam. MINDORO, PALAWAN. Notes: Terrestrial. 0-800m. Native.
2. Apostasia wallichii R.Br., Pl. Asiat. Rar. 1 (1830) 75; Ames in Merrill, EPFP 1 (1924) 252; Holttum, Rev. Fl. Malaya 1 (1954) 65; Cootes, Philippine Native Orchid Species (2011) 28. Distribution: Australia, Bangladesh, Borneo, Cambodia, China, India, Japan, Java, Laos, Malay Peninsula, Myanmar, Nepal, New Guinea, Philippines, Sri Lanka, Sumatra, Thailand, Vietnam. BASILAN (photos), DINAGAT (photos), LEYTE, LUZON: Camarines, MINDANAO: Bukidnon, Davao Oriental (photos), Surigao del Sur (photos), MINDORO, PALAWAN, SAMAR, SIBUYAN. Notes: Terrestrial. (?-)840m (photos) to 1000m. Native.

Appendicula Blume

1. Appendicula alba Blume, Bijdr. fl. Ned. Ind. (1825) 299; Cootes, Philippine Native Orchid Species (2011) 28; ≡ Podochilus albus (Blume) Schltr., Mém. Herb. Boissier 21 (1900) 36. Distribution: Borneo, Java, Lesser Sunda Isls, Malay Peninsula, Philippines, Sumatra. BATANES, LUZON: Nueva Vizcaya, Zambales, SABTANG (photos). Notes: Usually terrestrial. 300-1800m. Native.
2. Appendicula anceps Blume, Bijdr. fl. Ned. Ind. (1825) 299; Ames in Merrill, EPFP 1 (1924) 323; Cootes, Philippine Native Orchid Species (2011) 29. Distribution: BASILAN, LEYTE, MINDANAO: Zamboanga, Zamboanga Sibugay, Zamboanga del Sur, MINDORO. Notes: 0-1500m. Native.
   • var. anceps. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi, Sumatra, Thailand. BASILAN, LEYTE, MINDANAO: Zamboanga. Notes: Epiphyte or terrestrial in forests. 0-1500m. Native.
3. Appendicula buxifolia Blume, Bijdr. fl. Ned. Ind. (1825) 300; Ames in Merrill, EPFP 1 (1924) 324; Cootes, Orch. Philip. (2001) 27; Cootes, Philippine Native Orchid Species (2011) 29; Type: from Java. Distribution: Borneo, Java, Philippines, Sumatra. LUZON: Benguet, Laguna, Sorsogon, MINDANAO: Cotabato, Davao, Davao Oriental, Lanao del Sur, Misamis, SAMAR. Notes: Epiphytic, apparently in the mountain regions. 600m. Native.
4. Appendicula clemensiae (Ames) Ames, PJS 8c (1914) 415; Ames in Merrill, EPFP 1 (1924) 324; Cootes, Philippine Native Orchid Species (2011) 29; ≡ Podochilus clemensiae Ames, PJS 4c (1910) 667. Distribution: Endemic to the Philippines. BOHOL, LEYTE, LUZON: Albay (photos), Kalinga-Apayao, Laguna, Quezon, Rizal, Sorsogon, MINDANAO: Agusan, Agusan del Norte, Bukidnon, Lanao del Sur, Surigao, Surigao del Norte, Zamboanga, MINDORO, PANAY (photos), SAMAR. Notes: Usually in the montane zones. 60-1700m. Native.
5. Appendicula cornuta Blume, Bijdr. fl. Ned. Ind. (1825) 302; Ames in Merrill, EPFP 1 (1924) 324; Type: BS 16573 Ramos. Distribution: Borneo, Cambodia, China, India, Java, Malay Peninsula, Myanmar, Philippines, Thailand, Vietnam. CATANDUANES, LEYTE, LUZON: Laguna, MINDANAO: Agusan del Norte, Davao, Davao del Sur, MINDORO, NEGROS, PALAWAN. Native.
6. Appendicula crotalina (Ames) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 336; Ames in Merrill, EPFP 1 (1924) 325; ≡ Podochilus crotalinus Ames, PJS 4c (1909) 667; Type: M.S. Clemens s.n. (AMES, US), Mindanao: Lanao del Sur, Lake Lanao, Camp Keithley, Nov-1906. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Cotabato, Davao, Davao del Sur, Lanao del Sur, PALAWAN. Notes: P.B. Pelser (11-Jan-21): According to Wally Suarez (pers. comm. 5-Nov-19): plants in photos of this species by Cabactulan and De Leon from Mindanao have been misidentified as Appendicula torta Blume. The epichile of Appendicula torta is broadly triangular with distinct side lobes vs rounded with a broad sinus and obscurely three-lobed. Appendicula torta is not known from the Philippines. Ron Boos (pers. comm. 11-Jan-21) considers Appendicula crotalina and Appendicula torta to be conspecific. If correct, the name Appendicula torta Blume has priority. 0-860m. Native.
7. Appendicula cuneata Ames, Schedul. Orchid. 6 (1923) 44; Ames in Merrill, EPFP 1 (1924) 325. Distribution: Endemic to the Philippines. LEYTE, LUZON: Quezon, MINDANAO: Bukidnon, Cotabato, Davao, Davao Oriental, Davao del Sur, Zamboanga, SAMAR. Native.
8. Appendicula elmeri (Ames) Ames, PJS 8c (1914) 416; Ames in Merrill, EPFP 1 (1924) 325; ≡ Podochilus elmeri Ames, LPB 5 (1912) 1565; Type: Elmer 10718 (AMES, holo; AMES, L, NY, US, iso), Mindanao: Davao, Mt Apo, Todaya. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte, Bukidnon, Cotabato, Davao, Davao del Sur. Notes: Along streams. 400-1300m. Native.
9. Appendicula fenixii (Ames) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 336; Ames in Merrill, EPFP 1 (1924) 325; Cootes, Philippine Native Orchid Species (2011) 30; ≡ Podochilus fenixii Ames, PJS 6c (1911) 48; Type: BS 3794 Fenix (AMES, holo), Batanes: Mt Iraya, 8-Jun-1907. Distribution: Philippines, Taiwan. BATAN, BATANES, CATANDUANES, LUZON: Camarines Sur, Quezon, MINDORO. Notes: Epiphyte or lithophyte, mossy forest. 200-600m. Native.
10. Appendicula irigensis Ames, Schedul. Orchid. 5 (1923) 5; Ames in Merrill, EPFP 1 (1924) 325; Coritico et al., PJS 151 (2022) 2440; Type: BS 41941C Ramos. Distribution: Endemic to the Philippines. LUZON: ?Laguna (photos), Rizal, MINDANAO: Bukidnon. Notes: Epiphyte in dense forest. 1000m. Native.
11. Appendicula laxifolia J.J.Sm., Bot. Jahrb. Syst. 65 (1933) 480; Cootes, Philippine Native Orchid Species (2011) 30; Odulio et al., Biodivers. Data J. 14 (2026) 27. Distribution: Philippines, Sulawesi. MINDORO, NEGROS, PANAY (photos). Notes: Epiphyte. 700m to 900m (photos). Native.
12. Appendicula leytensis Ames, Schedul. Orchid. 6 (1923) 47; Ames in Merrill, EPFP 1 (1924) 325. Distribution: Endemic to the Philippines. LEYTE, SAMAR. Notes: Epiphytic in forests. 500m. Native.
13. Appendicula lucbanensis (Ames) Ames, PJS 8c (1914) 415; Ames in Merrill, EPFP 1 (1924) 326; ≡ Podochilus lucbanensis Ames, LPB 5 (1912) 1566; Type: Elmer 8068 (AMES, holo; F, MO, NY, iso), Luzon: Tayabas, Lucban, May-1907. Distribution: Philippines, Taiwan. CAMIGUIN, LEYTE, LUZON: Abra, Apayao, Kalinga-Apayao, Laguna, Mountain Province, Quezon, Rizal, MINDANAO: Agusan, Agusan del Norte, MINDORO, NEGROS, PANAY. Notes: Apparently restricted to mountain regions. Native.
14. Appendicula luzonensis (Ames) Ames, PJS 8c (1914) 415; Ames in Merrill, EPFP 1 (1924) 326; Cootes, Philippine Native Orchid Species (2011) 30; ≡ Podochilus luzonensis Ames, LPB 5 (1912) 1567; Type: Elmer 7930. Distribution: Endemic to the Philippines. LEYTE, LUZON: Albay, Laguna, Quezon, Rizal, TAWI-TAWI. Notes: Epiphyte. 800m. Native.
15. Appendicula malindangensis (Ames) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 337; Ames in Merrill, EPFP 1 (1924) 326; Cootes, Philippine Native Orchid Species (2011) 31; ≡ Podochilus malindangensis Ames, PJS 6c (1911) 49; Type: FB 4733 Mearns & Hutchinson, Mindanao: Misamis, Mt Malindang, 25-May-1906. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao del Sur (photos), Misamis Occidental, Sarangani (photos), NEGROS. Notes: Mountainous regions. (?-)1200m (photos) to 1600-1700m. Native.
16. Appendicula maquilingensis Ames, PJS 8c (1913) 417; Ames in Merrill, EPFP 1 (1924) 326. Distribution: Endemic to the Philippines. CAMIGUIN, CATANDUANES, JOLO, LEYTE, LUZON: Camarines, Camarines Norte, Laguna, Nueva Vizcaya, Sorsogon, MINDANAO: Bukidnon, Davao, Davao del Sur, MINDORO, NEGROS, PANAY. Notes: Epilithic or epiphytic in forests. 40-2000m. Native.
17. Appendicula merrillii Ames, PJS 8c (1914) 418; Ames in Merrill, EPFP 1 (1924) 326; ≡ Chilopogon merrillii (Ames) Ames, Orchidaceae 5 (1915) 91; Type: Merrill 8135. Distribution: Borneo, Philippines. MINDANAO: Cotabato, Zamboanga, PANAY (photos). Notes: Epiphytic. 700-1160m. Native.
18. Appendicula micrantha Lindl., Ann. Mag. Nat. Hist., 1st Ser. 15 (1845) 386; Ames in Merrill, EPFP 1 (1924) 326; Cootes, Orch. Philip. (2001) 27; Cootes, Philippine Native Orchid Species (2011) 31; ≡ Podochilus micranthus (Lindl.) Schltr., Mém. Herb. Boissier 21 (1900) 39. = Appendicula wenzelii Ames, PJS 8c (1913) 419; Type: Wenzel 10 (AMES 2 sheets, GH, NY, iso), Leyte: epiphyte, 60m, 29-Sep-1912. Distribution: Endemic to the Philippines. LEYTE, LUZON: Albay, Bataan, Laguna, Pampanga, Quezon, Rizal, MINDANAO: Agusan, Bukidnon, Davao, Davao de Oro (photos), Surigao, Zamboanga, MINDORO, NEGROS, PALAWAN, PANAY, POLILLO. Notes: Potentially a synonym of Appendicula reflexa var. reflexa (WCSP 2017). Epiphytic, occasionally terrestrial. 0-700m. Native.
19. Appendicula negrosiana (Ames) Ames, PJS 8c (1914) 416; Ames in Merrill, EPFP 1 (1924) 327; ≡ Podochilus negrosianus Ames, LPB 5 (1912) 1568; Type: Elmer 9636. Distribution: Endemic to the Philippines. NEGROS. Conservation status: Data Deficient (IUCN 3.1). Native.
20. Appendicula pendula Blume, Bijdr. fl. Ned. Ind. (1825) 298. = Appendicula philippinensis (Schltr.) J.J.Sm., Orch. Ambon (1905) 91; Ames in Merrill, EPFP 1 (1924) 327; Cootes, Philippine Native Orchid Species (2011) 31; ≡ Podochilus philippinensis Schltr., Mém. Herb. Boissier 21 (1900) 49; Type: not from the Philippines. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi, Sumatra, Thailand. LEYTE, LUZON: Laguna, Nueva Vizcaya, Quezon, Sorsogon, MINDANAO: Bukidnon, Davao Oriental (photos), South Cotabato, Zamboanga, MINDORO, NEGROS, PALAWAN, PANAY. Notes: Variable and fairly common species. 115-1600m. Native.
21. Appendicula perplexa (Ames) Ames, PJS 8c (1914) 416; Ames in Merrill, EPFP 1 (1924) 327; ≡ Podochilus perplexus Ames, LPB 5 (1912) 1569; Type: Elmer 7407. Distribution: Endemic to the Philippines. LUZON: Quezon, NEGROS (photos). Notes: Forest shade. 800m. Native.
22. Appendicula polyantha Ames, Schedul. Orchid. 5 (1923) 6; Ames in Merrill, EPFP 1 (1924) 327; Type: BS 42058 Lopez (AMES, iso), Luzon: Rizal, Mt Angilog, 2200m (note: this is most likely in feet), Feb-1923. Distribution: Endemic to the Philippines. CATANDUANES, LUZON: Aurora, Camarines Sur, Quezon, Rizal. Notes: Mt Angilog. Native.
23. Appendicula reflexa Blume, Bijdr. fl. Ned. Ind. (1825) 301; Ormerod, Taiwania 49(3) (2004) 175; Cootes, Philippine Native Orchid Species (2011) 31; Odulio et al., Biodivers. Data J. 14 (2026) 27; Type: from Java. Distribution: Australia, Java, Malaysia, New Guinea, Nicobar Isls, Philippines, Solomon Isls, Taiwan, Thailand, Vietnam. LEYTE, LUZON: Aurora, Camarines Sur, Laguna, Quezon, Rizal, MINDANAO: Agusan del Norte, Agusan del Sur, Bukidnon, Cotabato, Davao del Sur, MINDORO, PANAY, SAMAR. Notes: 0-1200m. Native.
    • var. reflexa. Distribution: Australia, Borneo, Java, Malay Peninsula, New Caledonia, New Guinea, Nicobar Isls, Pacific Ocean, Philippines, Solomon Isls, Sumatra, Taiwan, Thailand, Vietnam. LEYTE, LUZON: Camarines Sur, Laguna, Quezon, Rizal, MINDANAO: Agusan del Norte, Agusan del Sur, Bukidnon, Cotabato, Davao del Sur, PANAY, SAMAR. Notes: Epiphyte or terrestrial. 0-1200m. Native.
24. Appendicula tagalensium Kraenzl., Ann. Naturhist. Hofmus. Wien 30 (1916) 65; Type: Loher s.n., Philippines. Distribution: Endemic to the Philippines. Notes: No specimen has been seen by Ames. Native.
25. Appendicula tubilabia J.J.Wood, Orchids Mount Kinabalu 2 (2011) 39; Type: from Borneo. Distribution: Borneo, Philippines. MINDANAO: Bukidnon (photos), Misamis Oriental (photos). Native.
26. Appendicula undulata Blume, Bijdr. fl. Ned. Ind. (1825) 301. Distribution: BOHOL, LEYTE, LUZON: Pampanga, Rizal, MINDANAO: Agusan del Norte, Cotabato, Davao, Davao del Sur, Lanao del Sur, Surigao del Norte, Surigao del Sur (photos), Zamboanga Sibugay, Zamboanga del Norte (photos), Zamboanga del Sur, MINDORO, SAMAR. Notes: 50-350m (photos). Native.
    • var. longicalcarata (Rolfe) Ames, J. Straits Branch Roy. Asiat. Soc. 84(Spec. No.) (1921) 179; Ames in Merrill, EPFP 1 (1924) 327; ≡ Podochilus longicalcaratus Rolfe, Bull. Misc. Inform. Kew 1894 (1894) 186. Distribution: Borneo, Philippines. BOHOL, LEYTE, LUZON: Rizal, MINDANAO: Agusan del Norte, Cotabato, Davao, Davao del Sur, Lanao del Sur, Surigao del Norte, Surigao del Sur (photos), Zamboanga Sibugay, Zamboanga del Sur, SAMAR. Notes: In mossy forests. 50-125m (photos). Native.
27. Appendicula weberi Ames, PJS 8c (1914) 418; Ames in Merrill, EPFP 1 (1924) 328; Cootes, Philippine Native Orchid Species (2011) 32; Type: C.M. Weber 88. Distribution: Endemic to the Philippines. LUZON: Kalinga-Apayao, Nueva Vizcaya (photos), Pampanga, Quezon, MINDANAO: Agusan, Agusan del Norte, Cotabato, Davao, Davao Oriental, Davao del Sur. Notes: Shady damp forests. 400-700m. Native.
28. Appendicula xytriophora Rchb.f., Fl. Vit. (1868) 299; Ames in Merrill, EPFP 1 (1924) 328; ≡ Podochilus xytriophorus (Rchb.f.) Schltr., Mém. Herb. Boissier 21 (1900) 47. Distribution: Borneo, Malay Peninsula, Philippines. LEYTE, LUZON: Benguet, Isabela (photos), Laguna, Quezon, Rizal, Sorsogon, MINDANAO: Bukidnon, Cotabato, Davao, Lanao, MINDORO, PANAY, POLILLO. Notes: Common and widely distributed. Forests. 60-1330m. Native.

Incertae sedis

1. Appendicula sp.. Distribution: MINDANAO: Davao Oriental. Notes: Wally Suarez (pers. comm. 5-Nov-19): these Mt Hamiguitan plants have been previously identified as Appendicula tembuyukenensis J.J.Wood, but are not that species, which has "a very noticeable callus at the apex of the lip". Native.

Arachnis Blume

1. Arachnis flos-aeris (L.) Rchb.f., Bot. Centralbl. 28 (1886) 343; Cootes, Philippine Native Orchid Species (2011) 32; Cortez et al., Check List 19 (2023) 989; ≡ Epidendrum flos-aeris L., Sp. Pl., 1st Ed. (1753) 952. Distribution: Borneo, Java, Malay Peninsula, Philippines, Thailand. BILIRAN, LEYTE, LUZON: Quezon, MINDANAO: Surigao, PALAWAN, SIARGAO. Notes: Epiphyte at low elevations. 0m. DAO category: Endangered. Native.

Arundina Blume

1. Arundina graminifolia (D.Don) Hochr., Bull. New York Bot. Gard. 6 (1910) 270; Cootes, Philippine Native Orchid Species (2011) 33; ≡ Bletia graminifolia D.Don, Prodr. Fl. Nepal. (1825) 29; Type: from Nepal. Distribution: Bangladesh, Borneo, Cambodia, China, India, Java, Laos, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, Nepal, Philippines, Sri Lanka, Sulawesi, Sumatra, Taiwan, Thailand, Tibet, Vietnam. BOHOL, CEBU, LEYTE, LUZON: Apayao (photos), Laguna, Mountain Province, Quezon, MINDANAO: Bukidnon, Davao, Misamis, Zamboanga, MINDORO, NEGROS, PANAY, SAMAR. Notes: Naturalized on road sides and rocky slopes (Ron Boos, pers. comm., 23-Nov-20). W. Suarez and D. Cabactulan (pers. comm., 23-Nov-20): possibly native to the Philippines. Cryptogenic.
   • ssp. graminifolia. Distribution: Bangladesh, Borneo, Cambodia, China, India, Java, Laos, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, Nepal, Philippines, Sri Lanka, Sulawesi, Sumatra, Taiwan, Thailand, Tibet, Vietnam. BOHOL, CEBU, LEYTE, LUZON: Laguna, Mountain Province, Quezon, MINDANAO: Bukidnon, Davao, Misamis, Zamboanga, NEGROS, PANAY, SAMAR. Cryptogenic.

Blepharoglossum (Schltr.) L.Li

1. Blepharoglossum bicuspidatum (J.J.Sm.) L.Li, Pl. Syst. Evol. 306 (2020) 54: 7; ≡ Liparis bicuspidata J.J.Sm., Icon. Bogor. (Boerlage) 2 (1903) 45; Type: from Borneo. = Liparis wenzelii Ames, Orchidaceae 5 (1915) 84; Ames in Merrill, EPFP 1 (1924) 316; Type: Wenzel 0403 (AMES, holo), Leyte. Distribution: Borneo, Philippines. LEYTE. Native.
2. Blepharoglossum bontocense (Ames) Cootes, Orchids Austral. 32 (2020) 12; ≡ Liparis bontocensis Ames, Schedul. Orchid. 6 (1923) 38; Ames in Merrill, EPFP 1 (1924) 311. Distribution: Endemic to the Philippines. LUZON: Mountain Province. Notes: 1650m. Native.
3. Blepharoglossum condylobulbon (Rchb.f.) L.Li, Pl. Syst. Evol. 306 (2020) 54: 7; ≡ Liparis condylobulbon Rchb.f., Hamburger Garten- Blumenzeitung 18 (1862) 34; Cootes, Philippine Native Orchid Species (2011) 175; Tetsana et al., Phytotaxa 421 (2019) 54; Type: from Java. = Liparis confusa J.J.Sm., Fl. Buitenz. 6 (Orch. Jav.) (1905) 275; Ames in Merrill, EPFP 1 (1924) 312; Type: not from the Philippines. = Liparis clemensiae (Ames) Ames, Orchidaceae 5 (1915) 79; Ames in Merrill, EPFP 1 (1924) 312; ≡ Cestichis clemensiae Ames, PJS 4c (1909) 666; Type: Clemens 129, Mindanao: Lanao del Sur, Camp Keithley, Feb-1906. Distribution: Australia, Borneo, Java, Malaysia, Myanmar, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sulawesi, Taiwan, Thailand. BASILAN, CATANDUANES, CEBU (photos), LEYTE, LUZON: Albay, Benguet, Camarines Sur (photos), Kalinga-Apayao, Laguna, Mountain Province, Nueva Vizcaya, Quezon, Rizal, Sorsogon, MINDANAO: Agusan, Bukidnon (photos), Davao, Lanao, Zamboanga, MINDORO, NEGROS (photos), PALAWAN, SAMAR. Notes: Epiphytic or lithophytic. (?-)487-1500m. Native.
4. Blepharoglossum elegans (Lindl.) L.Li, Pl. Syst. Evol. 306 (2020) 54: 7; ≡ Liparis elegans Lindl., Gen. Sp. Orchid. Pl. (1830) 30; Type: from Malaysia. = Liparis stricta J.J.Sm., Bull. Dépt. Agric. Indes Néerl. 5 (1907) 3; Ames in Merrill, EPFP 1 (1924) 316; Type: not from the Philippines. Distribution: Borneo, China, India, Malaysia, Nicobar Isls, Philippines, Riau Arch, Sumatra, Thailand. Notes: 122m. Native.
5. Blepharoglossum grossum (Rchb.f.) L.Li, Pl. Syst. Evol. 306 (2020) 54: 8; ≡ Liparis grossa Rchb.f., Gard. Chron., n.s. 19 (1883) 110; Cootes, Philippine Native Orchid Species (2011) 176; Type: from Myanmar. = Liparis rizalensis Ames, Orchidaceae 6 (1920) 295; Ames in Merrill, EPFP 1 (1924) 316; Type: BS 24070 Ramos (AMES, holo), Luzon: Dec-1915. Distribution: Myanmar, Philippines, Taiwan. LUZON: Apayao (photos), Nueva Vizcaya, Quezon (photos), MINDANAO: Bukidnon (photos), PANAY (photos). Notes: Epiphytic. 500m. Native.
6. Blepharoglossum latifolium (Blume) L.Li, Pl. Syst. Evol. 306 (2020) 54: 8; ≡ Liparis latifolia Lindl., Gen. Sp. Orchid. Pl. (1830) 30; Tetsana et al., Phytotaxa 421 (2019) 56; Enriquez et al., Fl. Plants Mt. Apo Natural Park (2024) 104; ≡ Malaxis latifolia Blume, Bijdr. fl. Ned. Ind. (1825) 393, nom. illeg., non Sm.; Type: from Java. = Liparis robusta Hook.f., Hooker's Icon. Pl. 21 (1890) t.2012; Cootes, Philippine Native Orchid Species (2011) 177. Distribution: Borneo, China, Java, Lesser Sunda Isls, Malay Peninsula, New Guinea, Philippines, Thailand to New Guinea. LEYTE, MINDANAO: Bukidnon, Cotabato, Davao del Sur. Notes: Epiphytic. 0-1100m. Native.
7. Blepharoglossum palawanense (Ames) L.Li, Pl. Syst. Evol. 306 (2020) 54: 8; ≡ Liparis palawanensis Ames, Schedul. Orchid. 6 (1923) 39; Ames in Merrill, EPFP 1 (1924) 315; Type: Weber 612 (AMES, holo), Palawan; Alfonzo XIII forest. Distribution: Endemic to the Philippines. PALAWAN. DAO category: Vulnerable (as Liparis palawanensis). Native.
8. Blepharoglossum pallidum (Blume) L.Li, Pl. Syst. Evol. 306 (2020) 54: 9; ≡ Liparis pallida (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 31; Ames in Merrill, EPFP 1 (1924) 315; ≡ Malaxis pallida Blume, Bijdr. fl. Ned. Ind. (1825) 391; Type: from Java. Distribution: Java, Lesser Sunda Isls, Philippines, Sumatra. Native.
9. Blepharoglossum parviflorum (Blume) L.Li, Pl. Syst. Evol. 306 (2020) 54: 9; ≡ Liparis parviflora (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 31; Ames in Merrill, EPFP 1 (1924) 315; Cootes, Philippine Native Orchid Species (2011) 177; ≡ Malaxis parviflora Blume, Bijdr. fl. Ned. Ind. (1825) 392; Type: from Java. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi, Thailand. BASILAN, BUSUANGA, LEYTE, LUZON: Benguet, Kalinga-Apayao, Laguna, Mountain Province, Nueva Ecija, Pangasinan, Quezon, Rizal, MINDANAO: Agusan, Bukidnon (photos), Cotabato, Davao, MINDORO. Notes: Epiphytic. 0-2000m. Native.
10. Blepharoglossum trichoglotte (Ames) L.Li, Pl. Syst. Evol. 306 (2020) 54: 9; ≡ Liparis trichoglottis (Ames) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 203; Ames in Merrill, EPFP 1 (1924) 316; ≡ Cestichis trichoglottis Ames, Orchidaceae 2 (1908) 139; Type: Clemens 131 (AMES, holo), Mindanao: Lake Lanao. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon (photos), Lanao del Sur, NEGROS (photos). Native.

Possibly present

1. Blepharoglossum fulgens (Rolfe) Ormerod & Juswara, Harvard Pap. Bot. 26 (2021) 198; ≡ Liparis fulgens Rolfe, Gard. Chron., 3rd Ser. 6 (1889) 620; Type: Cult. Horsman & Co s.n. (K, holo), ?Philippines. Distribution: ?Philippines, ?Sulawesi.

Bogoria J.J.Sm.

1. Bogoria merrillii (Ames) Garay, Bot. Mus. Leafl. 23 (1972) 16; ≡ Sarcochilus merrillii Ames, Orchidaceae 5 (1915) 213; Ames in Merrill, EPFP 1 (1925) 407; Type: Merrill 5432. Distribution: Endemic to the Philippines. MINDANAO: Davao Oriental. Notes: Epiphytic, near sea level. 0m. Native.

Possibly present

1. Bogoria raciborskii J.J.Sm., Orch. Java (1905) 566. Distribution: Borneo, Java, ?Philippines. ?LUZON: ?Abra. Notes: Possibly represented for the Philippines by photos taken in Abra by Loralyn Casio. Native.

Brachypeza Schltr. ex Garay

1. Brachypeza cladostachya (Hook.f.) Kocyan & Schuit., Phytotaxa 161 (2014) 62; ≡ Pteroceras cladostachyum (Hook.f.) H.A.Pedersen, Nordic J. Bot. 12 (1992) 387; Cootes, Philippine Native Orchid Species (2011) 230; ≡ Sarcochilus cladostachys Hook.f., Fl. Brit. India 6 (1890) 35. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi. LUZON: Benguet, Laguna, Rizal. Native.
2. Brachypeza pallida (Blume) Kocyan & Schuit., Phytotaxa 161 (2014) 62; ≡ Pteroceras pallidum (Blume) Holttum, Kew Bull. 14 (1960) 270; ≡ Sarcochilus pallidus (Blume) Rchb.f., Ann. Bot. Syst. 6 (1863) 500; Ames in Merrill, EPFP 1 (1925) 407; ≡ Thrixspermum pallidum (Blume) Rchb.f., Xenia Orchid. 2 (1868) 122; ≡ Dendrocolla pallida Blume, Bijdr. fl. Ned. Ind. (1825) 290. Distribution: Borneo, Java, Malay Peninsula, Moluccas, Philippines, Sulawesi, Sumatra, Thailand, Vietnam. MINDANAO: Zamboanga del Norte (photos). Native.
3. Brachypeza unguiculata (Lindl.) Kocyan & Schuit., Phytotaxa 161 (2014) 64; Raganas et al., Biodiversitas 26 (2025) 1195; Odulio et al., Biodivers. Data J. 14 (2026) 27; ≡ Pteroceras unguiculatum (Lindl.) H.A.Pedersen, Nordic J. Bot. 12 (1992) 388; Cootes, Philippine Native Orchid Species (2011) 231; ≡ Sarcochilus unguiculatus Lindl., Edwards's Bot. Reg. 26(Misc.) (1840) 67. Distribution: Borneo, Java, Lesser Sunda Isls, Malay Peninsula, Moluccas, Philippines, Sulawesi, Sumatra. BASILAN, BILIRAN, LEYTE, LUZON: Albay, Apayao, Aurora, Camarines Sur, Cavite, Ilocos Norte, Isabela, Kalinga-Apayao, Laguna, Quezon, Rizal, Sorsogon, MINDANAO: Cotabato, Davao del Norte, Misamis Oriental (photos), Surigao, MINDORO, NEGROS, PALAWAN, POLILLO, SAMAR. Notes: Sea level. 0m. Native.
4. Brachypeza zamboangensis (Ames) Garay, Bot. Mus. Leafl. 23 (1972) 164; ≡ Sarcochilus zamboangensis Ames, Schedul. Orchid. 5 (1923) 39; Ames in Merrill, EPFP 1 (1925) 408; Type: Merrill 11640. Distribution: Borneo, Philippines. BOHOL, MINDANAO: Zamboanga, Zamboanga del Sur. Notes: Epiphyte in forest. 10m. Native.

Bromheadia Lindl.

1. Bromheadia alticola Ridl., J. Linn. Soc., Bot. 28 (1891) 338. = Bromheadia philippinensis Ames & Quisumb., PJS 59 (1936) 6. Distribution: Borneo, Malay Peninsula, Philippines, Thailand. MINDANAO: Agusan del Norte, Zamboanga del Sur. Native.
2. Bromheadia devogelii Kruiz., Orchid Monogr. 8 (1997) 102; Cootes, Philippine Native Orchid Species (2011) 36. Distribution: Borneo, Philippines. MINDANAO: Agusan del Norte. Notes: Epiphyte. 350m. Native.

Possibly present

1. Bromheadia finlaysoniana (Lindl.) Miq., Fl. Ned. Ind. 3 (1859) 709; ≡ Grammatophyllum finlaysonianum Lindl., Numer. List (1832) n.7561, nom. inval., nom. nud. Distribution: Indochina to New Guinea, ?Philippines. ?TAMLANGON. Notes: Possibly represented for the Philippines by PNH 91317 Mendoza (K). Native.

Bryobium Lindl.

1. Bryobium leavittii (Kraenzl.) Schuit., Y.P.Ng & H.A.Pedersen, Bot. J. Linn. Soc. 186 (2018) 194; ≡ Pinalia leavittii (Kraenzl.) W.Suarez & Cootes, OrchideenJ. 2009 (2009) 70; ≡ Eria leavittii Kraenzl., Pflanzenr. (Engler) IV (50 II B 21) (1911) 52; Ames in Merrill, EPFP 1 (1925) 370. Distribution: Endemic to the Philippines. Native.
2. Bryobium puguahaanense (Ames) Schuit., Y.P.Ng & H.A.Pedersen, Bot. J. Linn. Soc. 186 (2018) 194; ≡ Pinalia puguahaanensis (Ames) W.Suarez & Cootes, OrchideenJ. 2009 (2009) 71; ≡ Eria puguahaanensis Ames, Orchidaceae 5 (1915) 157; Ames in Merrill, EPFP 1 (1925) 374. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Native.
3. Bryobium punctatum (J.J.Sm.) Schuit., Y.P.Ng & H.A.Pedersen, Bot. J. Linn. Soc. 186 (2018) 194; ≡ Pinalia punctata (J.J.Sm.) J.J.Wood, Orchids Mount Kinabalu 2 (2011) 493; ≡ Eria punctata J.J.Sm., Bull. Dépt. Agric. Indes Néerl. 13 (1907) 38. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sumatra. Notes: Present in the Philippines according to Jim Cootes (pers. comm., 2-Jan-20). Native.
4. Bryobium senile (Ames) Schuit., Y.P.Ng & H.A.Pedersen, Bot. J. Linn. Soc. 186 (2018) 194; ≡ Pinalia senilis (Ames) W.Suarez & Cootes, OrchideenJ. 2009 (2009) 70; Cootes, Philippine Native Orchid Species (2011) 222; ≡ Eria senilis Ames, Orchidaceae 5 (1915) 159; Ames in Merrill, EPFP 1 (1925) 375. Distribution: Endemic to the Philippines. LEYTE, LUZON: Albay, Camarines Sur, Ifugao, Sorsogon, MINDANAO: Bukidnon (photos), Davao del Sur (photos), Lanao del Sur (photos), Misamis Occidental (photos), Misamis Oriental (photos), Surigao, PANAY. Notes: 1800m (photos). Native.
5. Bryobium tridens (Ames) Schuit., Y.P.Ng & H.A.Pedersen, Bot. J. Linn. Soc. 186 (2018) 194; ≡ Pinalia tridens (Ames) W.Suarez & Cootes, OrchideenJ. 2009 (2009) 71; Cootes, Philippine Native Orchid Species (2011) 223; ≡ Eria tridens Ames, LPB 5 (1912) 1580; Ames in Merrill, EPFP 1 (1925) 375. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya (photos), Quezon, MINDANAO: Davao del Sur. Native.
6. Bryobium ventricosum (Leav.) Schuit., Y.P.Ng & H.A.Pedersen, Bot. J. Linn. Soc. 186 (2018) 194; ≡ Pinalia ventricosa (Leav.) W.Suarez & Cootes, OrchideenJ. 2009 (2009) 71; Cootes, Philippine Native Orchid Species (2011) 223; ≡ Eria ventricosa Leav., PJS 4c (1909) 211; Ames in Merrill, EPFP 1 (1925) 375. Distribution: Endemic to the Philippines. LUZON: Bataan, Benguet, Ifugao, Mountain Province, Quezon, Rizal, MINDANAO: Davao del Sur, MINDORO, NEGROS, PALAWAN. Native.

Bulbophyllum Thouars

1. Bulbophyllum absconditum J.J.Sm., Orch. Java (1905) 449; ≡ Pelma absconditum (J.J.Sm.) Finet, Notul. Syst. (Paris) 1 (1909) 113. Distribution: Philippines, Sumatra to Pacific Ocean. Conservation status: Least Concern (IUCN 3.1). Native.
   • ssp. absconditum. Distribution: Philippines, Sumatra to Pacific Ocean. Native.
2. Bulbophyllum acutum J.J.Sm., Orch. Java (1905) 466; Cootes, Philippine Native Orchid Species (2011) 36. Distribution: Java, Philippines, Sumatra. MINDANAO: Bukidnon. Notes: Also considered a synonym of Bulbophyllum depressum King & Pantl. (Catalogue of Life 2019). Epiphyte. 1000-1400m. Native.
3. Bulbophyllum aeolium Ames, PJS 8c (1914) 429; Ames in Merrill, EPFP 1 (1925) 378; Cootes, Philippine Native Orchid Species (2011) 37; Type: BS 15391 Ramos (AMES, US, iso), Leyte: Leyte, Dagami, Aug-1912. Distribution: Borneo, Malay Peninsula, Philippines, Sumatra. LEYTE, LUZON: Rizal, MINDANAO: Bukidnon, MINDORO, NEGROS. Notes: 600-1300m. Native.
   • ssp. aeolium. Distribution: Borneo, Malay Peninsula, Philippines, Sumatra. LEYTE, LUZON: Rizal, MINDANAO: Bukidnon, NEGROS. Notes: Epiphyte. 600-1300m. Native.
4. Bulbophyllum aestivale Ames, Orchidaceae 5 (1915) 164; Ames in Merrill, EPFP 1 (1925) 378; Cootes, Philippine Native Orchid Species (2011) 37; Type: C.A. Wenzel 0395 (AMES, holo; GH, US, iso), Leyte: Leyte, epiphyte in forest, 600m, 25-May-1914. Distribution: Endemic to the Philippines. LEYTE, LUZON: Laguna, Quezon. Notes: Epiphytic in forest. 500-1000m. Native.
5. Bulbophyllum alboaligerum Cootes, Cabactulan, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 5; Type: M.D. De Leon MDL1803003 (CAHUP073543, holo), Mindanao: Bukidnon, c. 1600m, 20-Jan-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Misamis Oriental. Notes: 1600m. Native.
6. Bulbophyllum alboroseum Ames, Orchidaceae 7 (1922) 164; Ames in Merrill, EPFP 1 (1925) 379; Type: Ramos & Edaño 105 (AMES, holo), Luzon: Benguet, Mt Lusong, epiphytic on dead branches, 2000m, 7-Oct-1928. Distribution: Endemic to the Philippines. LUZON: Benguet. Notes: 2000m. Native.
7. Bulbophyllum alsiosum Ames, LPB 5 (1912) 1583; Ames in Merrill, EPFP 1 (1925) 379; Cootes, Philippine Native Orchid Species (2011) 38; Type: Elmer 9817 (AMES, holo; AMES, L, NY, US, iso), Negros: Negros Oriental, Cuernos Mtns, Apr-1908. Distribution: Endemic to the Philippines. LEYTE, LUZON: Nueva Ecija (photos), Rizal, MINDANAO: Bukidnon (photos), Misamis Oriental (photos), NEGROS. Notes: Epiphytic in forest. 600-1300m. Native.
8. Bulbophyllum amorosoanum Naive, M.Leon & Cootes, Die Orchidee 3 (2017) 102, as 'amorosum'; Type: M.D. De Leon 024/2016 (CMUH00010846, holo), Mindanao: Bukidnon, Kalatungan Mountain Range, epiphytic in deeply shaded localities in mossy forest where it grows in moss cushions on the branches and trunks of trees in rain-forest, 1200m, 15-Jul-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, SAMAR. Notes: 1200m. Conservation status: Data Deficient (Naive et al. 2017). Native.
9. Bulbophyllum amplebracteatum Teijsm. & Binn., Natuurk. Tijdschr. Ned.-Indië 24 (1862) 307. Distribution: Moluccas, Philippines, Sulawesi. MINDORO, SARANGANI. Notes: 0-300m. Native.
   • ssp. carunculatum (Garay, Hamer & Siegerist) J.J.Verm. & P.O'Byrne, Bulbophyllum Sulawesi (2011) 48; ≡ Bulbophyllum carunculatum Garay, Hamer & Siegerist, Lindleyana 10 (1995) 174; Cootes, Orch. Philip. (2001) 32; Cootes, Philippine Native Orchid Species (2011) 40. Distribution: Philippines, Sulawesi. Notes: L.L.Co: Described from a plant originating in the Philippines. Native.
   • ssp. orthoglossum (H.Wendl. & Kraenzl.) J.J.Verm. & P.O'Byrne, Bulbophyllum Sulawesi (2011) 47; ≡ Bulbophyllum orthoglossum H.Wendl. & Kraenzl., Gard. Chron., 3rd Ser. 19 (1896) 326; Ames in Merrill, EPFP 1 (1925) 386; Cootes, Orch. Philip. (2001) 44; Cootes, Philippine Native Orchid Species (2011) 58. Distribution: Moluccas, Philippines, Sulawesi. SARANGANI. Notes: Epiphytic. 0-300m. Native.
10. Bulbophyllum anascaputum Cootes, Cabactulan, R.B.Pimentel & M.Leon, OrchideenJ. 2017 (2017) 3; Type: M.D. De Leon 001/2017 (CMUH, holo), Mindanao: Bukidnon, 3-Dec-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1600m. Native.
11. Bulbophyllum antenniferum (Lindl.) Rchb.f., Ann. Bot. Syst. 6 (1861) 250; Ames in Merrill, EPFP 1 (1925) 379; Cootes, Orch. Philip. (2001) 31; Cootes, Philippine Native Orchid Species (2011) 38; ≡ Hyalosema antenniferum (Lindl.) Rysy, J. Orchideenfr. 9 (2002) 324; ≡ Cirrhopetalum antenniferum Lindl., Edwards's Bot. Reg. 29 (1843) t.49. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi, Thailand. LEYTE, LUZON: Bataan, Camarines Sur (photos), Laguna, Quezon, Sorsogon, MINDANAO: Lanao del Sur, MINDORO, SIBUYAN. Notes: Epiphytic, usually on tree trunks, sometimes on rocks, low elevations. (?-)500m. Native.
12. Bulbophyllum apertum Schltr., Bull. Herb. Boissier, 2nd Sér. 6 (1906) 462; Cootes, Philippine Native Orchid Species (2011) 38. Distribution: Borneo, Malay Peninsula, Moluccas, Philippines, Sulawesi, Sumatra, Thailand. LUZON: Aurora, Quezon, MINDANAO: Cotabato. Notes: Epiphyte. 500m. Native.
13. Bulbophyllum apheles J.J.Verm., Orchids Borneo 2 (1991) 245. Distribution: Borneo, Philippines. MINDANAO: Bukidnon, Misamis. Native.
14. Bulbophyllum apodum Hook.f., Fl. Brit. India 5 (1890) 766; Cortez et al., Check List 19 (2023) 989. Distribution: China, India, Java, Laos, Malaysia, Myanmar, New Guinea, Pacific Ocean, Philippines, Thailand, Vietnam. LUZON: Cavite (photos), Sorsogon, MINDANAO: Agusan del Norte, Surigao del Norte, Zamboanga del Norte (photos), SIARGAO. Notes: 0-200m. Native.
15. Bulbophyllum apoense Schuit. & de Vogel, Blumea 48 (2003) 506; ≡ Bulbophyllum graciliscapum Ames & Rolfe, Orchidaceae 5 (1915) 175, nom. illeg., non Schltr.; Ames in Merrill, EPFP 1 (1925) 384; Type: Copeland 1127 (AMES, holo), Mindanao: Davao, Mt Apo, 22-Apr-1904. Distribution: Endemic to the Philippines. MINDANAO: Cotabato (photos), Davao del Sur. Notes: Epiphytic on mossy branch. 2000m. Native.
16. Bulbophyllum aquinoi (Cootes, M.Leon & Naive) J.M.H.Shaw, Orchid Rev. 125(Suppl. 1319) (2017) 56; ≡ Epicranthes aquinoi Cootes, M.Leon & Naive, OrchideenJ. 2016 (2016) 3, as 'Epicrianthes aquinoi'; Type: M.D. De Leon MDL 001/2016 (CMUH00010802, holo), Mindanao: Bukidnon (cult. in Misamis Oriental), 21-May-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1220m. Native.
17. Bulbophyllum arrectum Kraenzl., Repert. Spec. Nov. Regni Veg. 17 (1921) 384; Ames in Merrill, EPFP 1 (1925) 379; Type: Loher s.n. (AMES, type fragment and photo of drawing), possibly from Luzon: Rizal, Oct-1916. Known only from fragmentary type material, according to Ames (1924), very close to Bulbophyllum stellatum Ames. Distribution: Endemic to the Philippines. Native.
18. Bulbophyllum atromaculatum Cootes, M.Leon & Cabactulan, Orchidee, Taxon. Mitt. 10 (2024) 117; Type: MDL1910023 (PNH, holo), Mindanao: Bukidnon, 800-1000m, 1-Oct-2019. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, NEGROS. Notes: 800-1000m. Native.
19. Bulbophyllum atrorubens Schltr., Bot. Jahrb. Syst. 39 (1906) 82. Distribution: Bismarck Arch, Moluccas, New Caledonia, Pacific Ocean, Philippines, Sulawesi. Notes: Present in the Philippines according to Jim Cootes (pers. comm., 2-Jan-20). Native.
20. Bulbophyllum auratum (Lindl.) Rchb.f., Ann. Bot. Syst. 6 (1861) 261; Ames in Merrill, EPFP 1 (1925) 379; Agoo, Philippine J. Syst. Biol. 1 (2007) 79; ≡ Cirrhopetalum auratum Lindl., Edwards's Bot. Reg. 26(Misc.) (1840) 50. = ?Cirrhopetalum candelabra Paxton, Paxton's Mag. Bot. 11 (1844) 117. Distribution: Borneo, India, Malay Peninsula, Philippines, Thailand. LEYTE, LUZON: Quezon, MINDANAO: Surigao del Norte. Native.
21. Bulbophyllum barcelonae A.L.Garrino & R.Bustam., Nordic J. Bot. 2024 (2024) e04187: 2; Type: PTI-PCFWR 06 with M. Bagiw and L. Udasco (PNH, holo; CAHUP, PUH, iso), Luzon: Nueva Ecija, Carranglan, PCWFR, Sitio Binbin, Oct-2021. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija. Notes: 900-1550m. Native.
22. Bulbophyllum basisetum J.J.Sm., Repert. Spec. Nov. Regni Veg. 26 (1929) 347; Cootes, Philippine Native Orchid Species (2011) 39. Distribution: Endemic to the Philippines. Notes: Epiphyte at mid-elevation. Native.
23. Bulbophyllum betchei F.Muell., S. Sci. Rec 1 (1881) 173. Distribution: Borneo, Java, New Caledonia, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sulawesi, Sumatra. Notes: Present in the Philippines according to Jim Cootes (pers. comm., 2-Jan-20). Native.
24. Bulbophyllum bokodense M.N.Tamayo, Magtoto & R.Bustam., Phytotaxa 662 (2024) 188; Type: Tamayo 300 (PNH, holo; NLUH, iso), Luzon: Benguet, Bokod, Mt Komkompol, Upper Agno River Basin Resource Reserve (UARBRR), 2200m, 18-Jul-2021. Distribution: Endemic to the Philippines. LUZON: Benguet, Zambales. Notes: 1800m (photos) to 2200m. Conservation status: Data Deficient (Tamayo et al. 2024). Native.
25. Bulbophyllum bolsteri Ames, PJS 7c (1912) 126; Ames in Merrill, EPFP 1 (1925) 380; Cootes, Philippine Native Orchid Species (2011) 39; Type: Bolster 349 (AMES, holo), Mindanao: Surigao del Norte, May/Jun-1906. Distribution: Endemic to the Philippines. LEYTE, LUZON: Quezon, Rizal, Sorsogon, MINDANAO: Lanao del Sur, Surigao, Surigao del Norte. Notes: Epiphytic at low to mid-elevation. Native.
26. Bulbophyllum bontocense Ames, PJS 7c (1912) 135; Ames in Merrill, EPFP 1 (1925) 380; Type: Vanoverbergh 1382 (AMES, holo; AMES, L, iso), Luzon: Mountain Province, epiphytic, 1650m, 17-Aug-1911. Distribution: Endemic to the Philippines. LUZON: Mountain Province, Zambales. Notes: Epiphytic. 1450-1700m. Native.
27. Bulbophyllum boosii J.J.Verm. & Kindler, Malesian Orchid J. 15 (2015) 49; Type: cult. Kindler s.n. (L, holo), Philippines. Distribution: Endemic to the Philippines. SAMAR. Native.
28. Bulbophyllum braccatum Rchb.f., Linnaea 41 (1877) 117; Ames in Merrill, EPFP 1 (1925) 380; Cootes, Philippine Native Orchid Species (2011) 40. = Bulbophyllum hortensoides Ames, Orchidaceae 6 (1920) 300; Ames in Merrill, EPFP 1 (1925) 384. Distribution: Endemic to the Philippines. LEYTE, LUZON: Ifugao, Rizal, SAMAR. Notes: Potentially a synonym of Bulbophyllum odoratum (Blume) Lindl. Epiphytic in forests. 400-600m. Native.
29. Bulbophyllum breimerianum J.J.Verm. & A.Vogel, Blumea 52 (2007) 1. Distribution: Borneo, Philippines. MINDANAO: Bukidnon. Notes: 0-300m. Native.
30. Bulbophyllum brevibrachiatum (Schltr.) J.J.Sm., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 8 (1912) 23; ≡ Cirrhopetalum brevibrachiatum Schltr., Repert. Spec. Nov. Regni Veg. 10 (1911) 186; Cootes, Orch. Philip. (2001) 52; Cootes, Philippine Native Orchid Species (2011) 79. = Cirrhopetalum dolichoblepharon Schltr., Repert. Spec. Nov. Regni Veg. 10 (1911) 185; Cootes, Philippine Native Orchid Species (2011) 80; ≡ Bulbophyllum dolichoblepharon (Schltr.) J.J.Sm., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 8 (1912) 23. Distribution: Borneo, Philippines, Sulawesi. LUZON: Aurora, Laguna, Nueva Ecija, Nueva Vizcaya, MINDANAO: Bukidnon (photos), Surigao, MINDORO, PANAY. Notes: These plants occur as epiphyte on tree trunks. 500-1400m. Native.
31. Bulbophyllum bromeliforme Cootes, Cabactulan, R.B.Pimentel & M.Leon, OrchideenJ. 2020 (2020) 5; Type: De Leon MDL1907006 (PNH, holo), Mindanao: Bukidnon, 900-1000m, 1-Jul-2019. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 900-1000m. Native.
32. Bulbophyllum canlaonense Ames, PJS 7c (1912) 126; Ames in Merrill, EPFP 1 (1925) 380; Cootes, Philippine Native Orchid Species (2011) 40. Distribution: Endemic to the Philippines. LEYTE, LUZON: Benguet, Mountain Province, MINDANAO: Bukidnon, Davao Oriental (photos), NEGROS, SAMAR. Notes: Epiphytic. 1300-2300m. Native.
33. Bulbophyllum catenulatum Kraenzl., Repert. Spec. Nov. Regni Veg. 17 (1921) 382; Ames in Merrill, EPFP 1 (1925) 380; Cootes, Orch. Philip. (2001) 33; Cootes, Philippine Native Orchid Species (2011) 41; Coritico et al., PJS 151 (2022) 2440; Type: Loher s.n. (AMES, type fragment and drawing), Luzon: presumably the Sierra Madre Mtns E of Manila. Distribution: Endemic to the Philippines. LUZON: Cagayan (photos), Nueva Ecija, Nueva Vizcaya, MINDANAO: Bukidnon, MINDORO, NEGROS (photos). Notes: Epiphytic on branches and tree trunks, sometimes on rocks. 0-1800m. Native.
34. Bulbophyllum cephalophorum Garay, Hamer & Siegerist, Lindleyana 11 (1996) 227; Cootes, Orch. Philip. (2001) 33. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija, Nueva Vizcaya. Notes: Epiphytic. 1200m. Native.
35. Bulbophyllum charisae Jenny, Orchid Rev. 127(Suppl. 1327) (2019) 147; Type: R. Jenny s.n. (G, holo), Mindanao: Misamis Oriental, Mt Balatucan, Sep-2018. Distribution: Endemic to the Philippines. MINDANAO: Misamis Oriental. Notes: The type is from a plant collected by G. Hampel and cultivated in Sirnach, Switzerland by R. Amsler. Native.
36. Bulbophyllum charishampeliae (Cabactulan, M.Leon, Cootes & R.B.Pimentel) R.Rice, Photo Intro Asian Bulbophyllum Coelogyne Dendrobium Orchids (2019) 186; ≡ Bulbophyllum charishampeliae (Cabactulan, M.Leon, Cootes & R.B.Pimentel) Naive & Alejandro, Lankesteriana 19 (2019) 21, nom. illeg., nom. superfl.; ≡ Epicranthes charishampeliae Cabactulan, M.Leon, Cootes & R.B.Pimentel, OrchideenJ. 2018 (2018) 16, as 'Epicrianthes charishampeliae'; Type: M.D. De Leon MDL1803016 (CAHUP073556, holo), Mindanao: Bukidnon, c. 1400m, 17-Feb-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: Bulbophyllum charishampeliae (Cabactulan, M.Leon, Cootes & R.B.Pimentel) R.Rice was published in Jan-2019, whereas Bulbophyllum charishampeliae (Cabactulan, M.Leon, Cootes & R.B.Pimentel) Naive & Alejandro was published in Apr-2019. 1400m. Native.
37. Bulbophyllum cheiri Lindl., Edwards's Bot. Reg. 30 (1844) t.44; Cootes, Orch. Philip. (2001) 209; Cootes, Philippine Native Orchid Species (2011) 41; ≡ Sarcopodium cheiri (Lindl.) Lindl. & Paxton, Paxton's Fl. Gard. 1 (1850) 155. Distribution: Borneo, Philippines, Sulawesi. BASILAN, BOHOL, BUSUANGA, LEYTE, LUZON: Aurora, Bataan, Cavite, Laguna, Quezon, MINDANAO: Agusan, Davao, Davao del Sur, Surigao, Surigao del Norte, MINDORO, PALAWAN, POLILLO. Native.
    • ssp. cheiri. = Bulbophyllum copelandii Ames, Orchidaceae 1 (1905) 97; Ames in Merrill, EPFP 1 (1925) 381; Cootes, Philippine Native Orchid Species (2011) 43; Type: Copeland 1316. = Bulbophyllum megalanthum Griff., Not. Pl. Asiat. 3 (1851) 286; Cootes, Philippine Native Orchid Species (2011) 54. = Bulbophyllum whitfordii Rolfe, Orchidaceae 1 (1905) 100; Ames in Merrill, EPFP 1 (1925) 390; Cootes, Philippine Native Orchid Species (2011) 65. Distribution: Borneo, Malaysia, Moluccas, Philippines, Sulawesi. BASILAN, BOHOL, BUSUANGA, LEYTE, LUZON: Aurora, Bataan, Cavite, Laguna, Quezon, MINDANAO: Agusan, Davao, Davao del Sur, Surigao, MINDORO, PALAWAN, POLILLO. Notes: Epilithic or epiphytic, in light shade, low elevation. Native.
    • ssp. subuliferum (Schltr.) J.J.Verm., P.O'Byrne & A.Lamb, Bulbophyllum Borneo (2015) 52; ≡ Bulbophyllum subuliferum Schltr., Repert. Spec. Nov. Regni Veg. 10 (1911) 91. Distribution: Borneo, Philippines, Sulawesi. Native.
38. Bulbophyllum chrysendetum Ames, Orchidaceae 5 (1915) 169; Ames in Merrill, EPFP 1 (1925) 381; Cootes, Philippine Native Orchid Species (2011) 41. Distribution: Endemic to the Philippines. LEYTE, MINDORO. Notes: Forest epiphyte. 60-600m. Native.
39. Bulbophyllum clandestinum Lindl., Edwards's Bot. Reg. 27(Misc.) (1841) 77. = Epidendrum sessile J.Koenig, Observ. Bot. (Retzius) 6 (1791) 60. = Bulbophyllum profusum Ames, PJS 7c (1912) 128; Ames in Merrill, EPFP 1 (1925) 387; Cootes, Orch. Philip. (2001) 46; Cootes, Philippine Native Orchid Species (2011) 59. Distribution: Bangladesh to Pacific Ocean, Philippines. BASILAN, LEYTE, LUZON: Cagayan, Laguna, Nueva Vizcaya, Quezon, Rizal, Sorsogon, MINDANAO: Agusan, Agusan del Norte, Surigao del Norte, Surigao del Sur, PALAWAN, POLILLO, SAMAR, SIBUYAN. Notes: Epiphytic, often in shaded sites. 0-500m. Native.
40. Bulbophyllum cleistogamum Ridl., J. Linn. Soc., Bot. 31 (1896) 277; Cootes, Orch. Philip. (2001) 34; Cootes, Philippine Native Orchid Species (2011) 42. Distribution: Borneo, Lesser Sunda Isls, Malay Peninsula, Philippines, Riau Arch, Sumatra. LUZON: Quezon, MINDANAO: Bukidnon (photos), NEGROS (photos). Notes: In addition to Luzon, possibly elsewhere in the E parts. Epilithic or epiphytic in shade. 500m. Native.
41. Bulbophyllum clemensiae Ames, PJS 7c (1912) 127; Ames in Merrill, EPFP 1 (1925) 381; Type: M.S. Clemens 440. Distribution: Endemic to the Philippines. MINDANAO: Lanao del Sur. Native.
42. Bulbophyllum codonanthum Schltr., Repert. Spec. Nov. Regni Veg. 10 (1911) 177. Distribution: New Guinea, Philippines, Sulawesi. MINDANAO: Bukidnon (photos). Notes: Reported for the Philippines by M.D. De Leon. Native.
43. Bulbophyllum colubrimodum Ames, Schedul. Orchid. 6 (1923) 82; Ames in Merrill, EPFP 1 (1925) 381; Cootes, Philippine Native Orchid Species (2011) 42; Type: C.A. Wenzel 698. Distribution: Endemic to the Philippines. LEYTE, MINDANAO: Bukidnon (photos), Davao Oriental (photos), Zamboanga, NEGROS (photos). Notes: Forest epiphyte. 600m. Native.
44. Bulbophyllum compressum Teijsm. & Binn., Natuurk. Tijdschr. Ned.-Indië 24 (1862) 307. Distribution: Borneo, Java, Philippines, Sulawesi, Sumatra. MINDANAO. Notes: Jim Cootes (15-Feb-25): found in northern Mindanao. Native.
45. Bulbophyllum coniferum Ridl., J. Fed. Malay States Mus. 4 (1909) 67. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sumatra. MINDANAO. Notes: Jim Cootes (15-Feb-25): found in northern Mindanao. Native.
46. Bulbophyllum cootesii M.A.Clem., Austral. Orchid Rev. 64 (1999) 6; Cootes, Orch. Philip. (2001) 35; Cootes, Philippine Native Orchid Species (2011) 42. Distribution: Endemic to the Philippines. DINAGAT. Notes: Epiphytic. 0-500m. DAO category: Critically Endangered. Native.
47. Bulbophyllum cornutum (Blume) Rchb.f., Ann. Bot. Syst. 6 (1861) 247; Cootes, Philippine Native Orchid Species (2011) 43; ≡ Ephippium cornutum Blume, Bijdr. fl. Ned. Ind. (1825) 308. = Bulbophyllum wenzelii Ames, PJS 8c (1913) 432; Ames in Merrill, EPFP 1 (1925) 389. Distribution: Borneo, Java, Philippines, Sumatra. LEYTE. Notes: Epiphyte or lithophyte at low elevation. Native.
48. Bulbophyllum crassiusculum Cabactulan, Cootes, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 6; Type: M.D. De Leon MDL1803001 (CAHUP073545, holo), Mindanao: Bukidnon, c. 1200m, 2-Mar-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1200m. Native.
49. Bulbophyllum cryptophoranthus Garay, Harvard Pap. Bot. 4 (1999) 475; Cootes, Philippine Native Orchid Species (2011) 44. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya (photos), Quezon. Notes: Epiphyte at mid-elevation. Native.
50. Bulbophyllum cubicum Ames, Orchidaceae 7 (1922) 83; Ames in Merrill, EPFP 1 (1925) 381; Type: BS 38633 Ramos & Edaño (AMES, holo), Mindanao: Bukidnon, Mahilucot River, forest epiphyte, 1400m, Jun/Jul-1920. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao, Davao del Sur. Notes: Forest epiphyte. 1400m. Native.
51. Bulbophyllum cumingii (Lindl.) Rchb.f., Ann. Bot. Syst. 6 (1861) 261; Ames in Merrill, EPFP 1 (1925) 381; ≡ Cirrhopetalum cumingii Lindl., Edwards's Bot. Reg. 29 (1843) t.49; Paxton’s Bot. Mag. 8 (1841) 165; Cootes, Orch. Philip. (2001) 54; Cootes, Philippine Native Orchid Species (2011) 80. = Bulbophyllum stramineum Ames, Orchidaceae 5 (1915) 190; Ames in Merrill, EPFP 1 (1925) 388. = Cirrhopetalum flabellum-veneris (J.Koenig) Seidenf. & Ormerod, Descr. Epidendrorum J.G.König (1995) 39; ≡ Epidendrum flabellum-veneris J.Koenig, Observ. Bot. (Retzius) 6 (1791) 57. Distribution: Andaman Isls, Borneo, Cambodia, Java, Laos, Malay Peninsula, Moluccas, Philippines, Sumatra, Thailand, Vietnam. LEYTE, LUZON: Aurora, Bataan, Cagayan, Cavite, Laguna, Quezon, Rizal, MINDANAO: Surigao del Norte, NEGROS, PALAWAN, PANAY, SAMAR. Notes: Epiphytic. (?-)500m. DAO category: Endangered. Native.
52. Bulbophyllum cuneatum Rolfe ex Ames, Orchidaceae 1 (1905) 98; Ames in Merrill, EPFP 1 (1925) 381; Type: Merrill 3730 (AMES, holo), Luzon: Bataan, Mt Mariveles, c. 1000m, 1-Jan-1904. Distribution: Endemic to the Philippines. LUZON: Bataan, PALAWAN. Notes: 1000m. Native.
53. Bulbophyllum cupreum Lindl., Edwards's Bot. Reg. 24(Misc.) (1838) 95; Cootes, Orch. Philip. (2001) 35; Philippine Native Orchid Species (2011) 44. Distribution: Philippines, Thailand. LUZON: Aurora, Quezon. Notes: Bole epiphyte. 500m. Native.
54. Bulbophyllum curranii Ames, PJS 7c (1912) 130; Orchidaceae 5 (1915) 170; Ames in Merrill, EPFP 1 (1925) 382; Type: FB 4953 Curran (AMES, holo), Luzon: Benguet, summit of Mt Tonglon (Mt Sto Tomas), epiphytic vine, 8-Aug-1906. = Bulbophyllum calophyllum L.O.Williams, Bot. Mus. Leafl. 6 (1938) 98; Cootes, Philippine Native Orchid Species (2011) 40; Type: Loher 14649 (AMES, holo), Luzon: Rizal, Sep-1909. Distribution: Endemic to the Philippines. LUZON: Bataan, Benguet, Rizal, MINDORO, PANAY (photos). Notes: Epiphytic. 800-2200m. DAO category: Vulnerable. Native.
55. Bulbophyllum dasypetalum Rolfe ex Ames, Orchidaceae 1 (1905) 98; Ames in Merrill, EPFP 1 (1925) 382; Type: Merrill 3720 (AMES, holo; US, iso), Luzon: Bataan, Mt Mariveles, 1-Jan-1904. = Bulbophyllum vanoverberghii Ames, PJS 7c (1912) 133; Ames in Merrill, EPFP 1 (1925) 389; Type: Vanoverbergh 1367 (AMES, holo; NY, iso), Luzon: Mountain Province, Aug-1911. Distribution: Endemic to the Philippines. LUZON: Apayao, Bataan, Benguet, Camarines, Camarines Sur, Mountain Province, Pampanga, Rizal, MINDORO. Native.
56. Bulbophyllum davidii (Cootes & R.Boos) J.M.H.Shaw, Orchid Rev. 125(Suppl. 1319) (2017) 56; ≡ Epicranthes davidii Cootes & R.Boos, OrchideenJ. 2015 (2015) 3, as 'Epicrianthes davidii'; Type: M.D. De Leon cult. (CMUH00009780, holo), Mindanao: Misamis Oriental, 23-Feb-15, c. 700m. Distribution: Endemic to the Philippines. MINDANAO: Misamis Oriental. Notes: P.B. Pelser (7-Oct-15): Morphologically similar to Bulbophyllum sagemuelleri R.Bustam. & Kindler. 700m. Native.
57. Bulbophyllum dearei (Mast.) W.Watson, Gard. Chron., n.s. 23 (1885) 664; Rchb.f., Flora 71 (1888) 156; Ames in Merrill, EPFP 1 (1925) 382; Cootes, Orch. Philip. (2001) 36; Cootes, Philippine Native Orchid Species (2011) 44; ≡ Sarcopodium dearei Mast., Gard. Chron., n.s. 20 (1883) 108; Rchb.f., Flora 71 (1888) 156. = Bulbophyllum goebelianum Kraenzl., Repert. Spec. Nov. Regni Veg. 17 (1921) 385; Ames in Merrill, EPFP 1 (1925) 384; Type: Loher s.n., probably from Luzon. Distribution: Borneo, Malay Peninsula, Philippines. LEYTE, LUZON: Bataan, Quezon, MINDANAO: Bukidnon (photos), Davao Oriental (photos), Davao del Sur, Lanao del Sur, Misamis Oriental (photos), PALAWAN. Notes: Epiphytic and sometimes epilithic. 700-1200m to 1500m (photos). Native.
58. Bulbophyllum debrincatiae J.J.Verm., Gard. Bull. Singapore 54 (2002) 114; Cootes, Philippine Native Orchid Species (2011) 45. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya, Quezon. Notes: Epiphyte. 800-1200m. Native.
59. Bulbophyllum dissolutum Ames, PJS 8c (1914) 429; Ames in Merrill, EPFP 1 (1925) 382; Type: BS 15069 Ramos (AMES, holo), Luzon: Laguna, San Antonio, 13-Jun-1912. Distribution: Endemic to the Philippines. LUZON: Laguna, Pampanga. Native.
60. Bulbophyllum doryphoroide Ames, Orchidaceae 5 (1915) 172; Ames in Merrill, EPFP 1 (1925) 382; Cootes, Philippine Native Orchid Species (2011) 45; Type: BS 19873 McGregor (AMES, holo), Luzon: Ifugao, Mt Polis, Feb-1913. Distribution: Endemic to the Philippines. LUZON: Ifugao, Nueva Vizcaya. Notes: Epiphyte at high elevation. Native.
61. Bulbophyllum dryas Ridl., J. Fed. Malay States Mus. 6 (1915) 175. Distribution: Borneo, Malay Peninsula, Philippines, Sumatra. Notes: Present in the Philippines according to Jim Cootes (pers. comm., 2-Jan-20). Native.
62. Bulbophyllum ebracteolatum Kraenzl., Ann. Naturhist. Hofmus. Wien 30 (1916) 58; Ames in Merrill, EPFP 1 (1925) 382; Type: Loher s.n., probably from Luzon. Distribution: Endemic to the Philippines. ?LUZON. Notes: Known only from the original description. Native.
63. Bulbophyllum echinochilum Kraenzl., Repert. Spec. Nov. Regni Veg. 16 (1921) 385; Cootes, Philippine Native Orchid Species (2011) 45; Type: Loher s.n. (AMES, holotype fragment, also drawing of type), ?Luzon. Distribution: Endemic to the Philippines. LUZON: Aurora, Bataan, Nueva Vizcaya. Notes: Epiphyte or lithophyte. 900-1000m. Native.
64. Bulbophyllum ecornutoides Cootes & W.Suarez, Austral. Orchid Rev. 71 (2006) 6; Cootes, Philippine Native Orchid Species (2011) 46. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya, Quezon. Notes: Epiphyte. 0-500m. Native.
65. Bulbophyllum ecornutum (J.J.Sm.) J.J.Sm., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 13 (1914) 32; ≡ Bulbophyllum cornutum var. ecornutum J.J.Sm., Orch. Java (1905) 445. Distribution: Java, Philippines, Thailand. MINDANAO, MINDORO. Native.
    • ssp. verrucatum J.J.Verm., P.O'Byrne & A.Lamb, Bulbophyllum Borneo (2015) 230. Distribution: MINDANAO. Native.
66. Bulbophyllum elassoglossum Siegerist, Amer. Orchid Soc. Bull. 60 (1991) 865; Cootes, Orch. Philip. (2001) 37; Cootes, Philippine Native Orchid Species (2011) 46. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya. Notes: Described from plants grown in the United States. Epiphyte. 1400m. Native.
67. Bulbophyllum elmeri Ames, PJS 7c (1912) 127; Ames in Merrill, EPFP 1 (1925) 382; Type: Elmer 6618 (AMES, iso), Luzon: Benguet, Baguio, 8-Mar-1904. Distribution: Endemic to the Philippines. LUZON: Benguet, Isabela. Native.
68. Bulbophyllum elongatum (Blume) Hassk., Cat. Hort. Bot. Bogor. (Hasskarl) (1844) 39; Ames in Merrill, EPFP 1 (1925) 382; Cootes, Philippine Native Orchid Species (2011) 47; ≡ Ephippium elongatum Blume, Bijdr. fl. Ned. Ind. (1825) 308. Distribution: Borneo, Java, Malay Peninsula, New Guinea, Philippines. LEYTE, LUZON: Laguna, MINDANAO: Agusan, Bukidnon, Cotabato, ?Lanao del Sur (photos). Notes: Forest epiphyte, occasionally terrestrial. 100-2000m. Native.
69. Bulbophyllum erosimarginatum Cootes, W.Suarez & R.Boos, Austral. Orchid Rev. 76(4) (2011) 46; Cootes, Philippine Native Orchid Species (2011) 47. Distribution: Endemic to the Philippines. LEYTE. Notes: Epiphytic. 600m. Native.
70. Bulbophyllum erosipetalum C.Schweinf., Philipp. Orchid Rev. 4 (1951) 15; ≡ Osyricera erosipetala (C.Schweinf.) Garay, Hamer & Siegerist, Nordic J. Bot. 14 (1994) 643; Type: PNH 15085 K.B. Day (AMES, holo), described from cultivated plant originally collected from Mindanao: Cotabato, Dec-1951. Distribution: Endemic to the Philippines. MINDANAO: Cotabato. Native.
71. Bulbophyllum erratum Ames, Orchidaceae 7 (1922) 85; Ames in Merrill, EPFP 1 (1925) 383; Type: BS 38685 Ramos & Edaño (AMES, holo; NY, US, iso), Mindanao: Bukidnon, Mahilucot River, along stream in forest, c. 1400m, 14-Jul-1920. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1400m. Native.
72. Bulbophyllum escritorii Ames, Orchidaceae 5 (1915) 174; Ames in Merrill, EPFP 1 (1925) 383; Type: BS 20734 Escritor (AMES, holo), Luzon: Quezon, Mar/Apr-1913. Distribution: Endemic to the Philippines. LUZON: Benguet, Quezon. Notes: Epiphytic. (?-)2000m. Native.
73. Bulbophyllum exile Ames, Orchidaceae 2 (1908) 208; Ames in Merrill, EPFP 1 (1925) 383; Type: Copeland 1123 (AMES, syn); R.S. Williams 2563 (NY, syn), Mindanao: Davao, Mt Apo, collected on 22-Apr-1904 and 1-Apr-1905, respectively. Distribution: Endemic to the Philippines. MINDANAO: Davao del Sur. Notes: Epiphyte in the summit area. 2900m. Native.
74. Bulbophyllum exquisitum Ames, Schedul. Orchid. 6 (1923) 84; Ames in Merrill, EPFP 1 (1925) 383; ≡ Bulbophyllum macgregorii Ames, PJS 7c (1912) 137, nom. illeg.; Type: BS 8322 R.C. McGregor (syn). Distribution: Endemic to the Philippines. LUZON: Benguet. Notes: Epiphytic in mossy forest. 2100-2400m. Native.
75. Bulbophyllum facetum Garay, Hamer & Siegerist, Lindleyana 11 (1996) 227; Cootes, Orch. Philip. (2001) 38; Cootes, Philippine Native Orchid Species (2011) 47. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija, Nueva Vizcaya. Notes: Epiphytic on tree trunks in fairly shady sites. 1200m. DAO category: Endangered. Native.
76. Bulbophyllum fascinator (Rolfe) Rolfe, Bot. Mag. 134 (1908) t.8199; ≡ Cirrhopetalum fascinator Rolfe, Bull. Misc. Inform. Kew 1908 (1908) 69; Cootes, Philippine Native Orchid Species (2011) 80. Distribution: Borneo, India, Laos, Malay Peninsula, Philippines, Sumatra, Thailand, Vietnam. MINDANAO: Bukidnon, Misamis. Notes: Epiphyte. 800-1000m. Native.
77. Bulbophyllum fenixii Ames, PJS 8c (1914) 430; Ames in Merrill, EPFP 1 (1925) 383; Cootes, Philippine Native Orchid Species (2011) 48; Type: BS 4138 Fénix. Distribution: Endemic to the Philippines. BABUYAN, BABUYAN ISLS, CAMIGUIN, CAMIGUIN DE BABUYANES, LUZON: Camarines Sur, Laguna, MINDORO. Notes: Epiphyte. 800m. Native.
78. Bulbophyllum flavescens (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 54; Cootes, Philippine Native Orchid Species (2011) 48; ≡ Diphyes flavescens Blume, Bijdr. fl. Ned. Ind. (1825) 313. = Bulbophyllum adenopetalum Lindl., Edwards's Bot. Reg. 28(Misc.) (1842) 85; Ames in Merrill, EPFP 1 (1925) 378. = Bulbophyllum ramosii Ames, PJS 7c (1912) 25. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sumatra. CATANDUANES, LEYTE, LUZON: Apayao, Bataan, Benguet, Cagayan, Camarines Sur, Ifugao, Kalinga-Apayao, Laguna, Mountain Province, Quezon, Rizal, Zambales, MINDANAO: Bukidnon, Davao del Sur, Lanao del Sur, Misamis, Misamis Oriental (photos), Zamboanga del Norte, MINDORO, NEGROS (photos), SAMAR. Notes: Epiphytic. 500-2700m. Native.
79. Bulbophyllum geminatum Carr, Gard. Bull. Straits Settlem. 5 (1929) 12; ≡ Cirrhopetalum geminatum (Carr) Rysy, Orchidee (Hamburg) 63 (2012) 16. Distribution: Endemic to the Philippines. LUZON: Aurora, Quezon, Rizal. Notes: Most likely widespread in the Philippines. Epiphytic, to 800m in brightly lit sites. This species is considered by some to be a synonym of Bulbophyllum biflorum Teijsm. & Binn., but see Rysy (2012). Native.
80. Bulbophyllum gerlandianum Kraenzl., Bot. Jahrb. Syst. 7 (1886) 437. = Bulbophyllum emiliorum Ames & Quisumb., PJS 44 (1931) 377; Cootes, Orch. Philip. (2001) 37; Type: Emilio Quisumbing 5154 (AMES, ?holo), Mindanao: Agusan del Norte, Butuan, epiphytic on tree trunk in mangrove, 22-Aug-1919. Distribution: New Guinea, Philippines. LUZON: Laguna, Quezon, Rizal, MINDANAO: Agusan del Norte, SAMAR. Notes: Epiphytic on tree trunks. 0-400m. Native.
81. Bulbophyllum giganteum (Quisumb. & C.Schweinf.) W.Suarez, Malesian Orchid J. 7 (2011) 113; Cootes, Philippine Native Orchid Species (2011) 48; ≡ Bulbophyllum levanae var. giganteum Quisumb. & C.Schweinf., Philipp. Orchid Rev. 5 (1953) 2; Type: Rivilla s.n. (AMES, holo), Negros: Negros Oriental, Mt Kanlaon. Distribution: Endemic to the Philippines. NEGROS. Notes: Epiphytic. 0-500m. Native.
82. Bulbophyllum gilvum J.J.Verm. & A.Lamb, Blumea 38 (1994) 338. Distribution: Borneo, Philippines. MINDANAO: Bukidnon (photos). Notes: 1300-1600m. Native.
83. Bulbophyllum gimagaanense Ames, PJS 7c (1912) 127; Ames in Merrill, EPFP 1 (1925) 383; Cootes, Philippine Native Orchid Species (2011) 49. Distribution: Endemic to the Philippines. BASILAN, LEYTE, LUZON: Laguna, Quezon, MINDANAO: Cotabato, NEGROS, PANAY. Notes: Epiphytic. 100-700m. Native.
84. Bulbophyllum glandulosum Ames, Schedul. Orchid. 6 (1923) 87; Ames in Merrill, EPFP 1 (1925) 382; Type: BS 28787 Ramos & Edaño. Distribution: Endemic to the Philippines. LUZON: Quezon. Notes: Epiphyte. 1000m. Native.
85. Bulbophyllum glebodactylum (W.Suarez & Cootes) Sieder & Kiehn, Ann. Naturhist. Mus. Wien, B 112 (2011) 316; ≡ Epicranthes glebodactyla W.Suarez & Cootes, OrchideenJ. 2009 (2009) 118; Cootes, Philippine Native Orchid Species (2011) 149. Distribution: Endemic to the Philippines. LUZON: Aurora, Nueva Vizcaya. Notes: Epiphytic. 500-1000m. Native.
86. Bulbophyllum glebulosum J.J.Verm. & Cootes, Malesian Orchid J. 1 (2008) 147; Cootes, Philippine Native Orchid Species (2011) 49. Distribution: Endemic to the Philippines. LUZON: Aurora. Native.
87. Bulbophyllum gnomoniferum Ames, Orchidaceae 2 (1908) 209; Ames in Merrill, EPFP 1 (1925) 382; Type: Copeland 1023. Distribution: Endemic to the Philippines. MINDANAO: Davao, Davao del Sur. Notes: Epiphyte. 1500m. Conservation status: Critically Endangered (IUCN 3.1). Native.
88. Bulbophyllum gusdorfii J.J.Sm., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 25 (1917) 79; ≡ Cirrhopetalum gusdorfii (J.J.Sm.) Garay, Hamer & Siegerist, Nordic J. Bot. 14 (1994) 621. Distribution: Borneo, Malaysia, Philippines, Sumatra. Native.
89. Bulbophyllum halconense Ames, PJS 2c (1908) 127; Ames in Merrill, EPFP 1 (1925) 384; Cootes, Orch. Philip. (2001) 39; Cootes, Philippine Native Orchid Species (2011) 49. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija (photos), Zambales, MINDORO. Notes: Epiphytic on tree trunks and branches. 1500-2500m. Native.
90. Bulbophyllum hampeliae Cootes, R.Boos & Naive, OrchideenJ. 2016 (2016) 3; Type: G. Hampel cult. GH 001/2016 (CMUH00010808, holo), Mindanao: Misamis Oriental, 25-May-2016. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte (photos), Davao Oriental (photos), Misamis Oriental. Notes: 900-1000m (photos) to 1200m. Native.
91. Bulbophyllum hampelianum J.M.H.Shaw, Orchid Rev. 125(Suppl. 1319) (2017) 56; ≡ Cirrhopetalum hampelii R.Boos, OrchideenJ. 2015 (2015) 7; Type: G. Hampel cult. (CMUH00009779, holo), Mindanao: Surigao del Norte, 28-Feb-15, c. 700m. Distribution: Endemic to the Philippines. MINDANAO: Surigao del Norte. Notes: 700m. Native.
92. Bulbophyllum igneoconstellatum Cootes, Cabactulan, R.B.Pimentel & M.Leon, OrchideenJ. 2020 (2020) 7; Type: De Leon MDL1907007 (PNH, holo), Mindanao: Bukidnon, 1100-1300m, 1-Jul-2019. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1100-1300m. Native.
93. Bulbophyllum inacootesiae Cootes, M.Leon & Naive, OrchideenJ. 2016 (2016) 160; Type: M.D. De Leon 025/2016 (CMUH00010822, holo), Mindanao: Bukidnon, ex cult., 31-Jul-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao de Oro (photos), Misamis Oriental (photos). Notes: Epiphyte. 1300m to 1500m (photos). Native.
94. Bulbophyllum invisum Ames, Orchidaceae 7 (1922) 148; Ames in Merrill, EPFP 1 (1925) 384; Type: Ramos & Edaño 58. Distribution: Endemic to the Philippines. LUZON: Benguet, MINDANAO: Bukidnon (photos). Notes: Epiphytic in mossy forest. 2200m. Native.
95. Bulbophyllum jimcootesii (Cabactulan, M.Leon & R.B.Pimentel) R.Rice, Photo Intro Asian Bulbophyllum Coelogyne Dendrobium Orchids (2019) 186; ≡ Bulbophyllum jimcootesii (Cabactulan, M.Leon & R.B.Pimentel) Naive & Alejandro, Lankesteriana 19 (2019) 21, nom. illeg.; ≡ Epicranthes jimcootesii Cabactulan, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 17, as 'Epicrianthes jimcootesii'; Type: M.D. De Leon MDL1803017 (CAHUP073557, holo), Mindanao: Bukidnon, c. 1300m, 17-Feb-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: Bulbophyllum jimcootesii (Cabactulan, M.Leon & R.B.Pimentel) R.Rice was published in Jan-2019, whereas Bulbophyllum jimcootesii (Cabactulan, M.Leon & R.B.Pimentel) Naive & Alejandro was published in Apr-2019. 1300m. Native.
96. Bulbophyllum josii J.J.Verm. & P.O'Byrne, Bulbophyllum Sulawesi (2011) 150. Distribution: Philippines, Sulawesi. Notes: Present in the Philippines according to Jim Cootes (pers. comm., 2-Jan-20). Native.
97. Bulbophyllum karreri Jenny & R.Amsler, Die Orchidee 7 (2021) 27; Type: R. Jenny s.n. (G, holo), Mindanao, ex cult. R. Amsler, Switzerland, Sirnach, Mar-2020. Distribution: Endemic to the Philippines. MINDANAO. Native.
98. Bulbophyllum kittredgei (Garay, Hamer & Siegerist) J.J.Verm., Nordic J. Bot. 16 (1996) 381; ≡ Synarmosepalum kittredgei Garay, Hamer & Siegerist, Nordic J. Bot. 14 (1994) 639. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, PALAWAN. Native.
99. Bulbophyllum lancifolium Ames, LPB 5 (1912) 1583; Ames in Merrill, EPFP 1 (1925) 384. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao, Davao del Sur, NEGROS. Notes: Epiphyte. 2600m. Native.
100. Bulbophyllum lancilabium Ames, Orchidaceae 5 (1915) 176; Ames in Merrill, EPFP 1 (1925) 384; Cootes, Philippine Native Orchid Species (2011) 50; Type: BS 20439 Ramos. Distribution: Endemic to the Philippines. LUZON: Laguna, MINDANAO: Bukidnon (photos). Notes: Epiphyte. 1000m. Conservation status: Data Deficient (IUCN 3.1). Native.
101. Bulbophyllum lancipetalum Ames, PJS 7c (1912) 23; Ames in Merrill, EPFP 1 (1925) 380; Type: FB 4608 Mearns & Hutchinson. Mindanao: Misamis Occidental, Mt Malindang, 2400m, 4-Jun-1906. Distribution: Endemic to the Philippines. MINDANAO: Davao, Davao del Sur, Misamis, Misamis Occidental, PALAWAN. Notes: 2000-2400m. Native.
102. Bulbophyllum lasianthum Lindl., Gard. Chron., 1st Ser. 1855 (1855) 53; Cootes, Orchids Austral. 33 (2021) 9. Distribution: Borneo, Malay Peninsula, Moluccas, Philippines, Sulawesi, Sumatra, Thailand. Native.
103. Bulbophyllum lasioglossum Rolfe ex Ames, Orchidaceae 1 (1905) 100; Ames in Merrill, EPFP 1 (1925) 384; Cootes, Orch. Philip. (2001) 39; Cootes, Philippine Native Orchid Species (2011) 50. = ?Bulbophyllum breviscapum (Rolfe) Ridl., Mat. Fl. Malay. Penins. 1 (1907) 78; ≡ Cirrhopetalum breviscapum Rolfe, Bot. Mag. 131 (1905) t.8033. Distribution: Endemic to the Philippines. LUZON: Bataan, Laguna, Nueva Ecija. Notes: Endemic unless identical with Bulbophyllum breviscapum (Rolfe) Ridl. of Peninsular Malaysia. Epiphytic. 1000m. Native.
104. Bulbophyllum lasiopetalum Kraenzl., Ann. Naturhist. Hofmus. Wien 30 (1916) 57; Ames in Merrill, EPFP 1 (1925) 384; Type: Loher s.n. Distribution: Endemic to the Philippines. ?LUZON. Native.
105. Bulbophyllum laxiflorum (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 57; Cootes, Philippine Native Orchid Species (2011) 51; ≡ Diphyes laxiflora Blume, Bijdr. fl. Ned. Ind. (1825) 316; Cootes, Orch. Philip. (2001) 40. = Bulbophyllum luzonense Ames, PJS 7c (1912) 127; Ames in Merrill, EPFP 1 (1925) 385. = Bulbophyllum syllectum Kraenzl., Repert. Spec. Nov. Regni Veg. 17 (1921) 383; Ames in Merrill, EPFP 1 (1925) 388. Distribution: Borneo, Laos, Malay Peninsula, Myanmar, Philippines, Sulawesi, Sumatra, Thailand, Vietnam. LEYTE, LUZON: Cagayan, Laguna, Nueva Vizcaya, Zambales, MINDANAO: Agusan del Norte, Agusan del Sur, Surigao del Sur. Notes: Epiphytic. 120-1000m. Native.
106. Bulbophyllum leibergii Ames & Rolfe, Orchidaceae 5 (1915) 177; Ames in Merrill, EPFP 1 (1925) 384; Type: Leiberg 6034. Distribution: Endemic to the Philippines. LUZON: Bataan. Notes: 900m. Native.
107. Bulbophyllum lemniscatoides Rolfe, Gard. Chron., 3rd Ser. 7 (1890) 672; Cootes, Philippine Native Orchid Species (2011) 51; Naive & Cootes, Lankasteriana 22 (2022) 80; Type: from Indonesia. Distribution: Borneo, Cambodia, Java, Laos, Malay Peninsula, Philippines, Sumatra, Thailand, Vietnam. MINDANAO: Zamboanga del Sur. Notes: Epiphyte. 600-1200m. Conservation status: Endangered (Naive & Cootes 2022). Native.
108. Bulbophyllum lepantense Ames, PJS 7c (1912) 127; Ames in Merrill, EPFP 1 (1925) 385; Cootes, Orch. Philip. (2001) 40; Cootes, Philippine Native Orchid Species (2011) 51. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao, Mountain Province. Notes: Epiphytic on mossy trunks and branches. 2200-2450m. Native.
109. Bulbophyllum lepidum (Blume) J.J.Sm., Orch. Java (1905) 471; ≡ Cirrhopetalum lepidum (Blume) Schltr., Repert. Spec. Nov. Regni Veg. 10 (1911) 185; ≡ Ephippium lepidum Blume, Bijdr. fl. Ned. Ind. (1825) 310. Distribution: China, Indochina, Philippines. Notes: W and C Malesia; possibly a synonym of Bulbophyllum flabellum-veneris (J.Koenig) Aver. Native.
110. Bulbophyllum leptocaulon Kraenzl., Ann. Naturhist. Hofmus. Wien 30 (1916) 59; Ames in Merrill, EPFP 1 (1925) 385; Type: Loher s.n., probably Luzon. Distribution: Endemic to the Philippines. ?LUZON. Notes: Known only from the original description and fragment of the type. Native.
111. Bulbophyllum levanae Ames, Orchidaceae 5 (1915) 178; Ames in Merrill, EPFP 1 (1925) 385. Distribution: Endemic to the Philippines. LEYTE, LUZON: Albay, Sorsogon, Zambales, NEGROS, SIBUYAN. Notes: Epiphytic, occasionally lithophytic. 1000m. Native.
112. Bulbophyllum leytense Ames, Orchidaceae 5 (1915) 178; Ames in Merrill, EPFP 1 (1925) 385; Cootes, Philippine Native Orchid Species (2011) 51. Distribution: Endemic to the Philippines. LEYTE, MINDANAO: Agusan del Norte, SAMAR. Notes: Epiphyte. 200-500m. Native.
113. Bulbophyllum lipense Ames, Schedul. Orchid. 3 (1923) 22; Ames in Merrill, EPFP 1 (1925) 385; Type: BS 38582 Ramos & Edaño. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: Epiphyte in damp forest. 1300m. Native.
114. Bulbophyllum lobbii Lindl., Edwards's Bot. Reg. 33 (1847) t.29; Cootes, Orch. Philip. (2001) 41; Schuiteman et al., Nordic J. Bot. 26 (2008) 268; Cootes, Philippine Native Orchid Species (2011) 52. Distribution: Bangladesh, Borneo, Cambodia, India, Java, Lesser Sunda Isls, Malay Peninsula, Myanmar, Philippines, Sumatra, Thailand. LUZON: Bataan, Laguna, Nueva Vizcaya, Rizal, Zambales, MINDANAO: Davao, Lanao, MINDORO, NEGROS, PALAWAN. Native.
     • ssp. breviflorum (J.J.Sm.) Mangal, F.Velazquez & J.J.Verm., Bulbophyllum Borneo (2015) 38; ≡ Bulbophyllum lobbii var. breviflorum J.J.Sm., Bull. Dépt. Agric. Indes Néerl. 15 (1908) 18. Distribution: Borneo, Malay Peninsula, Philippines, Sumatra, Thailand. Notes: Vermeulen et al. (2015) cite Vermeulen 3482 from the Philippines. Native.
     • ssp. lobbii. = Sestochilos uniflorum Breda, Gen. Sp. Orchid. Asclep. (1828) t.3. Distribution: Borneo, Cambodia, Java, Laos, Lesser Sunda Isls, Malay Peninsula, Myanmar, Philippines, Sumatra, Thailand, Vietnam. LUZON: Nueva Vizcaya, PALAWAN. Notes: Epiphytic. 1000-1500m. Native.
     • ssp. siamense (Rchb.f.) Mangal, F.Velazquez & J.J.Verm., Bulbophyllum Borneo (2015) 40; ≡ Bulbophyllum siamense Rchb.f., Gard. Chron., 1st Ser. 1867 (1867) 572. = Bulbophyllum bataanense Ames, Orchidaceae 1 (1905) 96; Ames in Merrill, EPFP 1 (1925) 379; Cootes, Philippine Native Orchid Species (2011) 39; Type: Whitford 163 (AMES, holo), Luzon: Bataan, Mt Mariveles, Lamao, May-1904. Distribution: Bangladesh, Borneo, Cambodia, India, Myanmar, Philippines, Thailand. LUZON: Bataan, Laguna, Rizal, Zambales, MINDANAO: Davao, Lanao. Notes: Epiphytic at low elevation. Native.
115. Bulbophyllum loherianum (Kraenzl.) Ames, EPFP 1 (1925) 385; ≡ Cirrhopetalum loherianum Kraenzl., Ann. Naturhist. Hofmus. Wien 30 (1916) 61; Cootes, Orch. Philip. (2001) 54; Cootes, Philippine Native Orchid Species (2011) 80. Distribution: Endemic to the Philippines. LEYTE, LUZON: Aurora, Camarines Sur, Laguna, Nueva Ecija, Nueva Vizcaya, Quezon, MINDANAO: Surigao del Norte, Surigao del Sur, PANAY (photos), SAMAR. Notes: Epiphytic. 1000m. DAO category: Endangered. Native.
116. Bulbophyllum longiflorum Thouars, Hist. Orchid. (1822) t.98. = Cirrhopetalum umbellatum (G.Forst.) Reinw. ex Hook. & Arn., Bot. Beechey Voy. (1832) 71; Cootes, Philippine Native Orchid Species (2011) 83; ≡ Epidendrum umbellatum G.Forst., Fl. Ins. Austr. (1786) 60. = Cirrhopetalum trisetum (Ames) Garay, Hamer & Siegerist, Nordic J. Bot. 14 (1994) 622; Cootes, Orch. Philip. (2001) 55; Cootes, Philippine Native Orchid Species (2011) 83; ≡ Bulbophyllum trisetum Ames, PJS 7c (1912) 128; Ames in Merrill, EPFP 1 (1925) 389. Distribution: Africa, Australia, Madagascar, Moluccas, New Caledonia, New Guinea, Pacific Ocean, Philippines. LUZON: Benguet, Nueva Ecija, Nueva Vizcaya, MINDANAO: Misamis Oriental (photos), SAMAR. Notes: Troughout the Philippines. 0-1200m. Native.
117. Bulbophyllum longipetiolatum Ames, LPB 5 (1912) 1584; Ames in Merrill, EPFP 1 (1925) 385; Type: Elmer 10883. Mindanao: Davao del Sur, Mt Apo, Todaya. Distribution: Endemic to the Philippines. MINDANAO: Davao, Davao del Sur, South Cotabato (photos). Notes: Epiphytic in humid forest. 1300m. Native.
118. Bulbophyllum macranthum Lindl., Edwards's Bot. Reg. 30 (1844) t.13; Cootes, Philippine Native Orchid Species (2011) 52; ≡ Carparomorchis macrantha (Lindl.) M.A.Clem. & D.L.Jones, Orchadian 13 (2002) 499. Distribution: Borneo, Java, Malay Peninsula, Myanmar, Philippines, Sumatra, Thailand, Vietnam. LUZON: Aurora, Isabela (photos), Laguna (photos), Quezon, MINDANAO: Zamboanga del Norte (photos), PALAWAN, PANAY (photos). Notes: Epiphyte. (?-)200-465m (photos) to 1000m. Conservation status: Least Concern (IUCN 3.1). Native.
119. Bulbophyllum maculatum Boxall ex Náves, Fl. Filip., 3rd Ed. 4(Nov. App.) (1880) 235. Distribution: Endemic to the Philippines. Native.
120. Bulbophyllum magnum J.J.Verm., Cootes & W.Suarez, Malesian Orchid J. 11 (2013) 93; Type: W. Suarez s.n. (NSW, holo). Distribution: Endemic to the Philippines. LUZON. Notes: Epiphytic. 600-1200m. Native.
121. Bulbophyllum makoyanum (Rchb.f.) Ridl., Mat. Fl. Malay. Penins. 1 (1907) 81; Ames in Merrill, EPFP 1 (1925) 385; ≡ Cirrhopetalum makoyanum Rchb.f., Gard. Chron., n.s. 11 (1879) 234; Cootes, Orch. Philip. (2001) 55; Cootes, Philippine Native Orchid Species (2011) 81. Distribution: Borneo, Malay Peninsula, Philippines, Singapore. BUSUANGA, LEYTE, LUZON: Apayao (photos), Cagayan, Cavite, Ifugao, Nueva Vizcaya (photos), Quezon, Rizal, Zambales, MINDANAO: Agusan del Norte, Agusan del Sur, MINDORO, NEGROS, PALAWAN, PANAY, POLILLO, SAMAR. Notes: Epiphyte. (?-)220-300m. Native.
122. Bulbophyllum maquilingense Ames & Quisumb., PJS 47 (1932) 208; Cootes, Orch. Philip. (2001) 41; Cootes, Philippine Native Orchid Species (2011) 53. Distribution: Endemic to the Philippines. LUZON: Aurora, Laguna, Nueva Vizcaya, Quezon, Sorsogon, MINDANAO: Bukidnon, Misamis Oriental (photos), PANAY (photos), SAMAR, SIBUYAN. Notes: Epiphytic. 0-1000m. Native.
123. Bulbophyllum marivelense Ames, PJS 7c (1912) 127; Ames in Merrill, EPFP 1 (1925) 386; Cootes, Philippine Native Orchid Species (2011) 53. Distribution: Endemic to the Philippines. LEYTE, LUZON: Bataan, Rizal, Sorsogon, Zambales, MINDANAO: Agusan, Davao, Davao del Sur, Zamboanga, MINDORO. Notes: Epiphytic. 0-1100m. Native.
124. Bulbophyllum marknaivei Cootes, R.Boos & M.Leon, OrchideenJ. 4 (2016) 4; Type: G. Hampel cult. GH 004/2016 (CMUH00010806, holo), Mindanao: Misamis Oriental, 26-May-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon (photos), Misamis Oriental. Notes: 1200m. Native.
125. Bulbophyllum masaganapense Ames, Orchidaceae 6 (1920) 302; Ames in Merrill, EPFP 1 (1925) 386; Cootes, Philippine Native Orchid Species (2011) 53. Distribution: Endemic to the Philippines. LEYTE, LUZON: Rizal, Sorsogon, MINDANAO: South Cotabato (photos). Notes: Epiphytic. 200-1300m to 1580-1800m (photos). Native.
126. Bulbophyllum maxillare (Lindl.) Rchb.f., Ann. Bot. Syst. 6 (1861) 248; Cootes, Orch. Philip. (2001) 42; Cootes, Philippine Native Orchid Species (2011) 54; ≡ Phyllorkis maxillaris (Lindl.) Kuntze, Revis. Gen. Pl. 2 (1891) 677; ≡ Cirrhopetalum maxillare Lindl., Edwards's Bot. Reg. 29 (1843) t.49. = Bulbophyllum blumei (Kuntze) J.J.Sm., Fl. Buitenz. 6 (Orch. Jav.) (1905) 459; Ames in Merrill, EPFP 1 (1925) 380; ≡ Phyllorkis blumei Kuntze, Revis. Gen. Pl. 2 (1891) 676. Distribution: Borneo, Philippines. BOHOL, LEYTE, LUZON: Cavite, MINDORO. Notes: Epiphytic, usually on tree trunks. 0-300m. Native.
127. Bulbophyllum mearnsii Ames, PJS 8c (1914) 430; Ames in Merrill, EPFP 1 (1925) 386; Orch. Philip. (2001) 42; Cootes, Philippine Native Orchid Species (2011) 54; ≡ Bulbophyllum carinatum Ames, PJS 7c (1912) 140, nom. illeg., non (L.) Náves. Distribution: Endemic to the Philippines. BOHOL, CATANDUANES, LUZON: Sorsogon, MINDANAO: Agusan del Norte, Agusan del Sur, Misamis, Misamis Occidental, Zamboanga del Norte, Zamboanga del Sur. Notes: Epiphytic. 900m. Native.
128. Bulbophyllum membranaceum Teijsm. & Binn., Natuurk. Tijdschr. Ned.-Indië 5 (1854) 488. Distribution: Java, Malaysia, Pacific Ocean, Philippines, Thailand. MINDANAO: Davao de Oro (photos). Native.
129. Bulbophyllum membranifolium Hook.f., Fl. Brit. India 5 (1890) 756. Distribution: LEYTE, LUZON: Aurora, Quezon, MINDANAO: Bukidnon (photos), MINDORO. Notes: 500-600m. Native.
     • ssp. inunctum (J.J.Sm.) J.J.Verm., P.O'Byrne & A.Lamb, Bulbophyllum Borneo (2015) 244; ≡ Bulbophyllum inunctum J.J.Sm., Icon. Bogor. (Boerlage) 3 (1906) 37; Cootes, Philippine Native Orchid Species (2011) 50. Distribution: Borneo, Malay Peninsula, Philippines. LUZON: Aurora. Notes: Epiphytic. 500m. Native.
     • ssp. membranifolium. = Bulbophyllum costatum Ames, Orchidaceae 6 (1920) 299; Ames in Merrill, EPFP 1 (1925) 381; Cootes, Philippine Native Orchid Species (2011) 43; Type: C.A. Wenzel 665. Distribution: Borneo, Malay Peninsula, Philippines, Sumatra. LEYTE, LUZON: Quezon. Notes: Forest epiphyte. 600m. Native.
130. Bulbophyllum merrittii Ames, PJS 2c (1907) 334; Ames in Merrill, EPFP 1 (1925) 386. Distribution: Endemic to the Philippines. MINDORO. Native.
131. Bulbophyllum migueldavidii Cootes, Cabactulan & R.B.Pimentel, OrchideenJ. 2017 (2017) 4; Type: M.D. De Leon 002/2017 (CMUH, holo), Mindanao: Bukidnon, 17-Oct-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1600m. Native.
132. Bulbophyllum mindorense Ames, PJS 2c (1907) 334; Ames in Merrill, EPFP 1 (1925) 386. Distribution: Endemic to the Philippines. LUZON: Camarines Sur, MINDORO. Native.
133. Bulbophyllum mona-lisae Sieder & Kiehn, CITES Orchid Checkl. 5 (2009) 404; Cootes, Philippine Native Orchid Species (2011) 55. = Bulbophyllum melanoglossum Kraenzl., Ann. Naturhist. Hofmus. Wien 30 (1916) 60, nom. illeg., non Hayata; Ames in Merrill, EPFP 1 (1925) 386. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya, MINDANAO: South Cotabato (photos). Notes: Hand-written comments (by Schweinfurth?) regarding the name Bulbophyllum melanochilum Kraenzl. on the holotype sheet at A: “No record of this name was found. May it not be B. melanoglossum Kraenzl.?” C.S., Feb. 1936”. Mostly epiphytic. 1000(-?)m. Native.
134. Bulbophyllum monstrabile Ames, Orchidaceae 5 (1915) 182; Ames in Merrill, EPFP 1 (1925) 386. Distribution: Endemic to the Philippines. LEYTE, MINDANAO: Misamis Oriental (photos). Native.
135. Bulbophyllum mucronatum (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 50; Cootes, Philippine Native Orchid Species (2011) 55; ≡ Diphyes mucronata Blume, Bijdr. fl. Ned. Ind. (1825) 317. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi, Sumatra, Thailand. LEYTE, LUZON: Benguet, Camarines Sur, Laguna, Nueva Vizcaya, Quezon, Rizal, MINDANAO, MINDORO, SAMAR. Notes: 0-500(-?)m. Native.
     • ssp. mucronatum. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi, Sumatra, Thailand. LUZON: Laguna, Nueva Vizcaya, Quezon. Notes: Epiphytic in mossy forest. 500(-?)m. Native.
     • ssp. alagense (Ames) J.J.Verm. & P.O'Byrne, Bulbophyllum Sulawesi (2011) 196; ≡ Bulbophyllum alagense Ames, PJS 2c (1907) 333; Ames in Merrill, EPFP 1 (1925) 379; Cootes, Orch. Philip. (2001) 31; Cootes, Philippine Native Orchid Species (2011) 37. Distribution: Philippines, Sulawesi. LEYTE, LUZON: Benguet, Camarines Sur, Laguna, Rizal, MINDANAO, MINDORO, SAMAR. Notes: Widespread in Mindanao. Epiphytic. 0-500m. Native.
136. Bulbophyllum mutabile (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 48; Cootes, Philippine Native Orchid Species (2011) 56; ≡ Diphyes mutabilis Blume, Bijdr. fl. Ned. Ind. (1825) 312. Distribution: Borneo, Malay Peninsula, Philippines, Sulawesi, Thailand. LUZON: Mountain Province. Notes: Epiphyte. 400-2000m. Native.
137. Bulbophyllum nasseri Garay, Harvard Pap. Bot. 4 (1999) 303; Cootes, Philippine Native Orchid Species (2011) 56. Distribution: Borneo, Philippines. LEYTE, MINDANAO: Agusan. Notes: Epiphyte at low elevation. Native.
138. Bulbophyllum negrosianum Ames, LPB 5 (1912) 1586; Ames in Merrill, EPFP 1 (1925) 386; Orch. Philip. (2001) 43; Cootes, Philippine Native Orchid Species (2011) 56. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya, NEGROS. Notes: Epiphytic. 1400m. Native.
139. Bulbophyllum neilkonradii (Cabactulan, Cootes, M.Leon & R.B.Pimentel) R.Rice, Photo Intro Asian Bulbophyllum Coelogyne Dendrobium Orchids (2019) 186; ≡ Bulbophyllum neilkonradii (Cabactulan, Cootes, M.Leon & R.B.Pimentel) Naive & Alejandro, Lankesteriana 19 (2019) 21, nom. illeg., nom. superfl.; ≡ Epicranthes neilkonradii Cabactulan, Cootes, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 17, as 'Epicrianthes neilkonradii'; Type: M.D. De Leon MDL1803018 (CAHUP073558, holo), Mindanao: Bukidnon, c. 1300m, 17-Feb-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: Bulbophyllum neilkonradii (Cabactulan, Cootes, M.Leon & R.B.Pimentel) R.Rice was published in Jan-2019, whereas Bulbophyllum neilkonradii (Cabactulan, Cootes, M.Leon & R.B.Pimentel) Naive & Alejandro was published in Apr-2019. 1300m. Native.
140. Bulbophyllum nemorale L.O.Williams, Bot. Mus. Leafl. 6 (1938) 100. Distribution: New Guinea, Philippines. LEYTE, LUZON. Native.
141. Bulbophyllum nymphopolitanum Kraenzl., Ann. Naturhist. Hofmus. Wien 30 (1916) 60; Cootes, Orch. Philip. (2001) 43; Cootes, Philippine Native Orchid Species (2011) 57. Distribution: Endemic to the Philippines. LUZON: Albay, MINDORO. Notes: Epiphytic or occasionally lithophytic. 0-1000m. DAO category: Endangered. Native.
142. Bulbophyllum ocellatum Cootes & M.A.Clem., Austral. Orchid Rev. 76(4) (2011) 48; Cootes, Philippine Native Orchid Species (2011) 57. Distribution: Endemic to the Philippines. LUZON: Aurora, Quezon (photos). Notes: Epiphyte. 500-800m. Native.
143. Bulbophyllum odoratum (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 54; Cootes, Orch. Philip. (2001) 44; Cootes, Philippine Native Orchid Species (2011) 57; ≡ Diphyes odorata Blume, Bijdr. fl. Ned. Ind. (1825) 312. = Bulbophyllum deceptum Ames, Orchidaceae 5 (1915) 171; Ames in Merrill, EPFP 1 (1925) 382; Cootes, Philippine Native Orchid Species (2011) 45; Type: C.A. Wenzel 148 (AMES, holo), Leyte: Leyte, Dagami, epiphyte in forest, 21-Jun-1913. = Bulbophyllum mindanaense Ames, LPB 5 (1912) 1585; Ames in Merrill, EPFP 1 (1925) 386; Cootes, Philippine Native Orchid Species (2011) 55. Distribution: Borneo, Java, Malay Peninsula, Moluccas, Philippines, Sulawesi, Sumatra. LEYTE, LUZON: Aurora, Ifugao, Mountain Province, Nueva Vizcaya (photos), Rizal, MINDANAO: Agusan, Agusan del Norte, Davao, Davao del Sur, Sarangani (photos), Surigao, MINDORO, NEGROS (photos), PALAWAN, SAMAR. Notes: Epiphytic. 0-1300m. Native.
144. Bulbophyllum orectopetalum Garay, Hamer & Siegerist, Orchidee (Hamburg) 43 (1992) 41. Distribution: Borneo, Cambodia, India, Philippines, Thailand, Vietnam. LUZON: Cagayan (photos). Notes: Considered a synonym of Bulbophyllum lobbii Lindl. by Schuiteman et al. (2008). Native.
145. Bulbophyllum ornithorhynchum (J.J.Sm.) Garay, Hamer & Siegerist, Orchidee (Hamburg) 43 (1992) 266; Cootes, Philippine Native Orchid Species (2011) 58; ≡ Cirrhopetalum ornithorhynchus J.J.Sm., Icon. Bogor. (Boerlage) 2 (1903) t.121. Distribution: Borneo, Java, Malay Peninsula, Philippines. LEYTE, LUZON: Quezon, PALAWAN (photos). Notes: Epiphyte at low elevation. Synonym of Bulbophyllum leysianum Burb. (Catalogue of Life, 2019)? Native.
146. Bulbophyllum othonis (Kuntze) J.J.Sm., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 8 (1912) 26; Ames in Merrill, EPFP 1 (1925) 387; ≡ Phyllorkis othonis Kuntze, Revis. Gen. Pl. 2 (1891) 676. = Cirrhopetalum nutans Lindl., Edwards's Bot. Reg. 25(Misc.) (1839) 71; Cootes, Orch. Philip. (2001) 55; Cootes, Philippine Native Orchid Species (2011) 81; ≡ Bulbophyllum nutans (Lindl.) Rchb.f., Ann. Bot. Syst. 6 (1861) 260, nom. illeg., non Thouars. Distribution: Endemic to the Philippines. LEYTE, LUZON: Albay, Quezon, Sorsogon, PALAWAN, POLILLO. Notes: Epiphytic. (?-)300m. Native.
147. Bulbophyllum ovalifolium (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 49; ≡ Diphyes ovalifolia Blume, Bijdr. fl. Ned. Ind. (1825) 310. Distribution: Borneo, China, Java, Lesser Sunda Isls, Malay Peninsula, Philippines, Sulawesi, Sumatra, Thailand. MINDANAO: South Cotabato (photos). Native.
148. Bulbophyllum pampangense Ames, Schedul. Orchid. 6 (1923) 92; Ames in Merrill, EPFP 1 (1925) 387; Type: Merrill 11214 (AMES, holo), Luzon: Pampanga, Dec-1918. Distribution: Endemic to the Philippines. LUZON: Pampanga. Native.
149. Bulbophyllum papillipetalum Ames, Orchidaceae 7 (1922) 149; Ames in Merrill, EPFP 1 (1925) 387; Type: Ramos & Edaño 79 (AMES, holo), Luzon: Benguet, Mt Boadan, epiphytic on mossy forest slope, 6800ft, 27-Sep-1921. Distribution: Endemic to the Philippines. LUZON: Benguet. Notes: 2073m. Native.
150. Bulbophyllum papulosum Garay, Harvard Pap. Bot. 4 (1999) 304; Cootes, Orch. Philip. (2001) 44; Cootes, Philippine Native Orchid Species (2011) 58. Distribution: Endemic to the Philippines. NEGROS. Notes: Epiphytic. 0-500m. DAO category: Vulnerable. Native.
151. Bulbophyllum pardalotum Garay, Hamer & Siegerist, Lindleyana 10 (1995) 179; Cootes, Orch. Philip. (2001) 45; Cootes, Philippine Native Orchid Species (2011) 58. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija, Nueva Vizcaya. Notes: Epiphytic, in well-lit sites. 1200m. Native.
152. Bulbophyllum pauciflorum Ames, PJS 7c (1912) 127; Ames in Merrill, EPFP 1 (1925) 387; Type: Vanoverbergh 1381 (AMES, holo), Luzon: Mountain Province, 1650m, 17-Aug-1911. Distribution: Philippines, Taiwan. LUZON: Mountain Province, PALAWAN (photos). Notes: Epiphytic. 1650m. Native.
153. Bulbophyllum pelseri Mansibang & R.Bustam., Nordic J. Bot. 2024 (2024) e04187: 4; Type: PTI-PCFWR02-281 (PNH, holo; PUH, iso), Luzon: Nueva Ecija, Carranglan, PCWFR, Oct-2021. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija. Notes: 1450-1550m. Native.
154. Bulbophyllum penduliscapum J.J.Sm., Icon. Bogor. (Boerlage) 2 (1903) 101. = Bulbophyllum jarense Ames, Orchidaceae 6 (1920) 301; Ames in Merrill, EPFP 1 (1925) 384; Type: C.A. Wenzel 761 (NY, iso), Leyte: Jaro, 27-Nov-1917. Distribution: LEYTE. Notes: Forest epiphyte. 500m. Native.
155. Bulbophyllum peramoenum Ames, PJS 8c (1914) 430; Ames in Merrill, EPFP 1 (1925) 387; Type: Merrill 8271 (AMES, holo), Mindanao: Zamboanga, Sax River, 28-Nov-1911. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Zamboanga, MINDORO. Native.
156. Bulbophyllum piestoglossum J.J.Verm., Blumea 38 (1993) 152; Cootes, Orch. Philip. (2001) 46; Cootes, Philippine Native Orchid Species (2011) 59; Type: PNH 5362 MD Sulit (L, holo; AMES, iso), Luzon: Laguna, Mt Makiling, epiphytic, 800m, 23-Apr-1947. Distribution: Endemic to the Philippines. LUZON: Laguna, Quezon. Notes: Epiphytic usually on tree trunks. 600-1300m. DAO category: Endangered. Native.
157. Bulbophyllum placochilum J.J.Verm., Orchids Borneo 2 (1991) 29; Boco et al., Gard. Bull. Singapore 77 (2025) 237; Type: from Borneo. Distribution: Borneo, Philippines. LUZON: Albay, MINDANAO: Misamis Oriental, South Cotabato. Notes: 1100-1700m. Conservation status: Vulnerable (Boco et al. 2025). Native.
158. Bulbophyllum pleurocrepis J.J.Verm., Cootes & M.Perry, Die Orchidee 3 (2017) 17; Type: Perry 591 (L, holo), Luzon. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya. Notes: 1400m. Native.
159. Bulbophyllum pleurothalloides Ames, PJS 2c (1907) 335; Ames in Merrill, EPFP 1 (1925) 387; Type: Merrill 6128 (AMES, iso), Mindoro: Mindoro Oriental, Mt Halcon, on mossy trunks, 4500ft, 14-Nov-1906. Distribution: Endemic to the Philippines. MINDORO. Notes: Epiphytic in mossy forest. 1372m. Native.
160. Bulbophyllum plumatum Ames, Orchidaceae 5 (1915) 184; Ames in Merrill, EPFP 1 (1925) 387; ≡ Rhytionanthos plumatum (Ames) Garay, Hamer & Siegerist, Nordic J. Bot. 14 (1994) 639; ≡ Cirrhopetalum plumatum (Ames) Cootes, Philippine Native Orchid Species (2011) 82; Type: BS 21479 Escritor (AMES, holo). Distribution: Malay Peninsula, Philippines, Sumatra. MINDANAO: Bukidnon. Notes: Epiphyte. 0-500m. Native.
161. Bulbophyllum polyflorum (W.Suarez) J.M.H.Shaw, Orchid Rev. 124(Suppl. 1314) (2016) 35; ≡ Cirrhopetalum multiflorum W.Suarez, Austral. Orchid Rev. 76(4) (2011) 54; Cootes, Philippine Native Orchid Species (2011) 81. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya, Quezon (photos). Native.
162. Bulbophyllum prasinoglossum Cabactulan, Cootes, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 6; Type: M.D. De Leon MDL1803006 (CAHUP073546, holo), Mindanao: Bukidnon, c. 1200m, 17-Feb-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Misamis Oriental, South Cotabato (photos). Notes: 1200m. Native.
163. Bulbophyllum pseudoconiferum W.Suarez & Cootes, OrchideenJ. 2009 (2009) 74; Cootes, Philippine Native Orchid Species (2011) 59. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija, Nueva Vizcaya. Notes: Epiphyte. 1400m. Native.
164. Bulbophyllum puberulosum Cabactulan, Cootes, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 7; Type: M.D. De Leon MDL1803007 (CAHUP073547, holo), Mindanao: Bukidnon, c. 1200m., 2-Mar-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1200m. Native.
165. Bulbophyllum puguahaanense Ames, Orchidaceae 5 (1915) 185; Ames in Merrill, EPFP 1 (1925) 387; ≡ Cirrhopetalum puguahaanense (Ames) Garay, Hamer & Siegerist, Nordic J. Bot. 14 (1994) 619; Cootes, Philippine Native Orchid Species (2011) 82. Distribution: Borneo, Malay Peninsula, Philippines. LEYTE, MINDANAO: Bukidnon (photos). Notes: Epiphyte. 0-500m. Native.
166. Bulbophyllum pulchrum (N.E.Br.) J.J.Sm., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 8 (1912) 27; ≡ Cirrhopetalum pulchrum N.E.Br., Ill. Hort. 33 (1886) 139. Distribution: Moluccas, Philippines, Sulawesi, Sumatra, Thailand. MINDANAO: Davao de Oro (photos). Native.
167. Bulbophyllum punctulatum Jenny & R.Amsler, Orchid Rev. 128 (2020) 45; Type: Jenny s.n. (G, holo), Mindanao: Misamis Oriental, Mt Balatukan, Georg Hampel ex cult. Roland Amsler, 27-May-2019. Distribution: Endemic to the Philippines. MINDANAO: Misamis Oriental. Native.
168. Bulbophyllum putidum (Teijsm. & Binn.) J.J.Sm., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 8 (1912) 27; Seidenfaden, Dansk Bot. Ark. 29 (1973) 32; ≡ Cirrhopetalum putidum Teijsm. & Binn., Natuurk. Tijdschr. Ned.-Indië 24 (1862) 311. ≠ Bulbophyllum ornatissimum auct. non (Rchb.f.) J.J.Sm.; Ames & Quisumbing, PJS 44 (1931) 380. Distribution: Borneo, Malay Peninsula, Philippines, Sumatra, Thailand. LUZON: Zambales. Notes: Wally Suarez (21-Aug-24): Ames & Quisumbing (1931) wrote that the petal tips of their B. ornatissimum have paleae, but the specimen in question (Ramos & Edaño 44806) has paleae that are distributed throughout the petal length. Native.
169. Bulbophyllum pyrrosifolium Cabactulan, Cootes, R.B.Pimentel & M.Leon, OrchideenJ. 2018 (2018) 9; Type: M.D. De Leon MDL1803022 (CAHUP073648, holo), Mindanao: Bukidnon, 1600m, 11-Mar-18. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1600m. Native.
170. Bulbophyllum ravanii Cootes, OrchideenJ. 2011 (2011) 83; Cootes, Philippine Native Orchid Species (2011) 60. Distribution: Endemic to the Philippines. MINDORO. Notes: Epiphyte. 880-930m. Native.
171. Bulbophyllum recurvilabre Garay, Harvard Pap. Bot. 4 (1999) 304; Cootes, Philippine Native Orchid Species (2011) 60. Distribution: Endemic to the Philippines. LEYTE. Notes: Epiphyte. 0-500m. Native.
172. Bulbophyllum restrepia (Ridl.) Ridl., Mat. Fl. Malay. Penins. 1 (1907) 78; ≡ Cirrhopetalum restrepia Ridl., Trans. Linn. Soc. London, Bot. 3 (1893) 365. Distribution: Borneo, Malay Peninsula, Moluccas, New Guinea, Nicobar Isls, Philippines, Sulawesi, Sumatra. SAMAR. Native.
173. Bulbophyllum rhizomatosum Ames & C.Schweinf., Orchidaceae 6 (1920) 194; Cootes, Philippine Native Orchid Species (2011) 61. = Bulbophyllum filicoides Ames, Schedul. Orchid. 6 (1923) 84; Ames in Merrill, EPFP 1 (1925) 382; Type: Elmer 14200. Distribution: Borneo, Malay Peninsula, Philippines. MINDANAO: Agusan del Norte, Davao Oriental (photos). Notes: Epiphyte. 400-600(photos) to 1500m. Native.
174. Bulbophyllum romyi B.Thoms, Orchids (West Palm Beach) 84 (2015) 631; ≡ Cirrhopetalum romyi (B.Thoms) Cootes, Orchids Austral. 32 (2020) 10; Type: B. Thoms 110460 (SEL, holo), Mindanao: Bukidnon, near Malaybalay, 200-400m. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 200-400m. Native.
175. Bulbophyllum rubrolingue Cootes & R.Boos, OrchideenJ. 2015 (2015) 165; Type: Cootes Cult. NSW 907363 (NSW, holo), Leyte, Lake Danao, 600m, 1-Feb-2015. Distribution: Endemic to the Philippines. LEYTE. Notes: 600m. Native.
176. Bulbophyllum rubusioides Naive, M.Leon & Cootes, Die Orchidee 3 (2017) 11; Type: M.D. De Leon 005/2016 (CMUH, holo), Mindanao: Bukidnon, Kalatungan, 1700m, 21-May-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1700m. Native.
177. Bulbophyllum rugosum Ridl., J. Linn. Soc., Bot. 32 (1896) 266. = Bulbophyllum dagamense Ames, Orchidaceae 5 (1915) 170; Ames in Merrill, EPFP 1 (1925) 382; Type: C.A. Wenzel 57 (AMES, holo), Leyte: Leyte, Dagami, 31-Dec-1912. Distribution: Borneo, Malay Peninsula, Philippines, Sulawesi, Sumatra. LEYTE. Native.
178. Bulbophyllum rysyanum Roeth, Orchidee (Hamburg) 58 (2007) 512; Cootes, Philippine Native Orchid Species (2011) 61. Distribution: Endemic to the Philippines. Notes: Exact locality unknown (Cootes 2011). Epiphyte at medium elevation. Native.
179. Bulbophyllum sagemuelleri R.Bustam. & Kindler, Orchidee (Hamburg) 66 (2015) 370; ≡ Epicranthes sagemuelleri (R.Bustam. & Kindler) Cootes & R.Boos, Orchids Austral. 27 (2015) 29, as 'Epicrianthes sagemuelleri'; Type: Sagemueller s.n. cult. (CMUH00009785, holo), Negros: Brgy Patag, Mt Mandalagan. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon (photos), NEGROS. Conservation status: Critically Endangered (IUCN 3.1). Native.
180. Bulbophyllum sanguineomaculatum Ridl., J. Linn. Soc., Bot. 32 (1896) 265. = Bulbophyllum maculosum Ames, Orchidaceae 5 (1915) 180; Ames in Merrill, EPFP 1 (1925) 385; Cootes, Philippine Native Orchid Species (2011) 52. Distribution: Borneo, Malay Peninsula, Philippines, Sulawesi. LEYTE, LUZON: Quezon. Notes: Epiphyte in forest. 60-1300m. Native.
181. Bulbophyllum santosii Ames, Orchidaceae 5 (1915) 186; Ames in Merrill, EPFP 1 (1925) 388; Cootes, Orch. Philip. (2001) 46; Cootes, Philippine Native Orchid Species (2011) 61. Distribution: Endemic to the Philippines. LEYTE, LUZON: Aurora, Camarines, Camarines Sur, Laguna, Quezon, MINDANAO: Bukidnon, MINDORO, NEGROS (photos). Notes: Epiphytic. 0-800m. Native.
182. Bulbophyllum sapphirinum Ames, Orchidaceae 5 (1915) 187; Ames in Merrill, EPFP 1 (1925) 388. Distribution: Endemic to the Philippines. LEYTE. Native.
183. Bulbophyllum saurocephalum Rchb.f., Gard. Chron., n.s. 26 (1886) 262; Ames in Merrill, EPFP 1 (1925) 388; Cootes, Orch. Philip. (2001) 47; Cootes, Philippine Native Orchid Species (2011) 62. Distribution: Endemic to the Philippines. LEYTE, LUZON: Nueva Ecija, Nueva Vizcaya, Quezon. Notes: Epiphytic. 1000m. Native.
     • ssp. oncoglossum W.Suarez, Austral. Orchid Rev. 76(4) (2011) 56; Cootes, Philippine Native Orchid Species (2011) 62. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya. Native.
     • ssp. saurocephalum. Distribution: Endemic to the Philippines. LUZON. Notes: Known from Mt Banahaw. Native.
184. Bulbophyllum savaiense Schltr., Repert. Spec. Nov. Regni Veg. 9 (1911) 106. Distribution: Java, New Guinea, Philippines. LEYTE, MINDORO. Notes: John Edward Matulina Villasis (27-Aug-24): Possibly extinct in the Philippines. Conservation status: Least Concern (IUCN 3.1). Native.
     • ssp. subcubicum (J.J.Sm.) J.J.Verm., Orchid Monogr. 7 (1993) 141; Cootes, Philippine Native Orchid Species (2011) 62; ≡ Bulbophyllum subcubicum J.J.Sm., Repert. Spec. Nov. Regni Veg. 10 (1912) 487; Cootes, Orch. Philip. (2001) 48. = Bulbophyllum philippinense Ames, Orchidaceae 6 (1920) 303; Ames in Merrill, EPFP 1 (1925) 387; Type: C.A. Wenzel (AMES, holo; US, iso), Leyte: Leyte, Jaro, epiphyte in forest, 500m, 13-Nov-1914. Distribution: Java, New Guinea, Philippines. LEYTE, MINDORO. Notes: Epiphytic. Cootes (2001) cites 2000m, but no 2000m mountain in Leyte. Apparently referring to localities outside the Philippines? DAO category: Endangered. Native.
185. Bulbophyllum schaiblei Cootes & Naive, OrchideenJ. 2017 (2017) 55; Type: NSW993097 (NSW, holo), Luzon: Nueva Vizcaya, 1200m; cult. at Bowraville, NSW, Australia, 17-Aug-2016. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya. Notes: 1200m. Native.
186. Bulbophyllum schefferi (Kuntze) Schltr., Beih. Bot. Centralbl., 2nd Abt. 33 (1915) 417; Cootes, Philippine Native Orchid Species (2011) 63; ≡ Phyllorkis schefferi Kuntze, Revis. Gen. Pl. 2 (1891) 676. = Bulbophyllum marcidum Ames, Schedul. Orchid. 6 (1923) 90; Ames in Merrill, EPFP 1 (1925) 386. Distribution: Borneo, Java, Philippines. MINDANAO: Bukidnon. Notes: Epiphytic. 0-1600m. Native.
187. Bulbophyllum sempiternum Ames, Orchidaceae 6 (1920) 304; Ames in Merrill, EPFP 1 (1925) 388; Cootes, Philippine Native Orchid Species (2011) 63. Distribution: Endemic to the Philippines. LEYTE, LUZON: Quezon (photos), MINDANAO: Bukidnon, Davao Oriental (photos). Notes: Epiphyte. 500-800m. Native.
188. Bulbophyllum sensile Ames, Orchidaceae 5 (1915) 188; Ames in Merrill, EPFP 1 (1925) 388. Distribution: Endemic to the Philippines. LUZON: Mountain Province. Native.
189. Bulbophyllum sibuyanense Ames, LPB 5 (1912) 1587; Ames in Merrill, EPFP 1 (1925) 388; ≡ Cirrhopetalum sibuyanense (Ames) Garay, Hamer & Siegerist, Nordic J. Bot. 14 (1994) 620; Cootes, Philippine Native Orchid Species (2011) 82. Distribution: Endemic to the Philippines. LUZON: Quezon, PANAY, SIBUYAN. Notes: Epiphyte. 400m. Native.
190. Bulbophyllum signa, ined.; ≡ Epicranthes signa M.Leon, Cootes & Cabactulan, Orchidee, Taxon. Mitt. 10 (2024) 121, as 'Epicranthes signa'; Type: MDL1910024 (PNH, holo), Mindanao: Bukidnon, 1000-1300m, 1-Oct-2019. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1000-1300m. Native.
191. Bulbophyllum simulacrum Ames, Orchidaceae 5 (1915) 189; Ames in Merrill, EPFP 1 (1925) 388. Distribution: Endemic to the Philippines. LEYTE. Native.
192. Bulbophyllum socordine J.J.Verm. & Cootes, Malesian Orchid J. 1 (2008) 149; Cootes, Philippine Native Orchid Species (2011) 63. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija, Nueva Vizcaya. Notes: Epiphyte. 1200m. Native.
193. Bulbophyllum stellatum Ames, PJS 7c (1912) 141; Ames in Merrill, EPFP 1 (1925) 388; Cootes, Philippine Native Orchid Species (2011) 63. Distribution: Endemic to the Philippines. LUZON: Mountain Province, Nueva Ecija, Nueva Vizcaya. Notes: Epiphyte. 1200m. DAO category: Endangered. Native.
194. Bulbophyllum subaequale Ames, Schedul. Orchid. 6 (1923) 93; Ames in Merrill, EPFP 1 (1925) 388. Distribution: Endemic to the Philippines. LUZON: Rizal. Native.
195. Bulbophyllum superfluum Kraenzl., Repert. Spec. Nov. Regni Veg. 26 (1929) 172. Distribution: Endemic to the Philippines. LUZON: Pampanga. Native.
196. Bulbophyllum surigaense Ames & Quisumb., PJS 52 (1934) 449; ≡ Cirrhopetalum surigaense (Ames & Quisumb.) W.Suarez, Philipp. Orchid Rev. 15(2) (2007) 18; Cootes, Philippine Native Orchid Species (2011) 83; Type: BS 84715 Quisumbing (AMES, holo), from cultivated material in Manila, provenance: Mindanao: Surigao, 1931. Distribution: Endemic to the Philippines. LUZON: Aurora, Laguna, Quezon, MINDANAO: Surigao del Norte, MINDORO. Native.
197. Bulbophyllum tenuifolium (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 50; Cootes, Philippine Native Orchid Species (2011) 64; ≡ Diphyes tenuifolia Blume, Bijdr. fl. Ned. Ind. (1825) 310. = Bulbophyllum chryseum (Kraenzl.) Ames, PJS 6c (1911) 54; Ames in Merrill, EPFP 1 (1925) 380; ≡ Cirrhopetalum chryseum Kraenzl., Repert. Spec. Nov. Regni Veg. 8 (1910) 97. Distribution: Borneo, Java, Lesser Sunda Isls, Malay Peninsula, Philippines, Singapore, Sulawesi, Sumatra, Thailand. LEYTE, LUZON: Aurora, Nueva Vizcaya (photos), Rizal, MINDANAO (photos). Notes: Mtns of C Luzon. Epiphyte. 0-500m. Native.
198. Bulbophyllum toppingii Ames, PJS 8c (1914) 432; Ames in Merrill, EPFP 1 (1925) 389. Distribution: Endemic to the Philippines. LUZON: Benguet. Native.
199. Bulbophyllum tortuosum (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 50; Cootes, Philippine Native Orchid Species (2011) 64; ≡ Diphyes tortuosa Blume, Bijdr. fl. Ned. Ind. (1825) 311. Distribution: Borneo, India, Java, Laos, Malay Peninsula, Philippines, Sumatra, Thailand, Vietnam. LUZON: Quezon, MINDORO, NEGROS. Notes: Epiphyte. 900m. Native.
200. Bulbophyllum translucidum Kindler, R.Bustam. & Ferreras, Die Orchidee 2 (2016) 4; Type: Ferreras UF1071 (PNH, holo; PUH, CAHUP, iso), Mindanao: Agusan del Sur, Prosperidad, Lower Ognop Area, 8-Apr-2015. Distribution: Endemic to the Philippines. DINAGAT, LEYTE, MINDANAO: Agusan del Sur, SAMAR. Notes: 321m. Native.
201. Bulbophyllum treschii Jenny, Orchid Digest 76 (2012) 151; ≡ Cirrhopetalum treschii (Jenny) Cootes, Orchids Austral. 32 (2020) 10. Distribution: Malay Peninsula, Philippines. Notes: P.B. Pelser (27-Feb-21): observed by in a large orchid nursery in Cavite and presumably collected in the Philippines (Cootes, pers. comm. 27-Feb-21). Native.
202. Bulbophyllum trigonosepalum Kraenzl., Repert. Spec. Nov. Regni Veg. 17 (1921) 384; Ames in Merrill, EPFP 1 (1925) 389; Cootes, Philippine Native Orchid Species (2011) 64. Distribution: Endemic to the Philippines. LEYTE, LUZON: Albay, NEGROS (photos). Notes: Epiphyte or lithophyte. 1000m. Native.
203. Bulbophyllum tsekourioides M.Leon, Naive & Cootes, Die Orchidee 3 (2017) 12; Type: M.D. De Leon 012/2016 (CMUH, holo), Mindanao: Bukidnon, Kalatungan, 2100m. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 2100m. Native.
204. Bulbophyllum unguiculatum Rchb.f., Linnaea 22 (1849) 864. = Bulbophyllum reilloi Ames, PJS 8c (1914) 431; Ames in Merrill, EPFP 1 (1925) 387. = Bulbophyllum coriaceum Ridl., Trans. Linn. Soc. London, Bot. 4 (1894) 235. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi, Sumatra. LUZON: Laguna, MINDANAO: Surigao del Norte, NEGROS (photos), PALAWAN. Native.
205. Bulbophyllum uniflorum (Blume) Hassk., Cat. Hort. Bot. Bogor. (Hasskarl) (1844) 39; Agoo, Philippine J. Syst. Biol. 1 (2007) 82; ≡ Ephippium uniflorum Blume, Bijdr. fl. Ned. Ind. (1825) 309. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi, Sumatra. LEYTE, LUZON: Rizal, MINDANAO: Bukidnon, Davao Oriental (photos). Notes: Epiphytic in forests. 600-1300m. Native.
206. Bulbophyllum vagans Ames & Rolfe, PJS 2c (1907) 335; Ames in Merrill, EPFP 1 (1925) 389; Cootes, Philippine Native Orchid Species (2011) 65. Distribution: Endemic to the Philippines. CAMIGUIN, LUZON: Bataan, Benguet, Cagayan, Camarines, Camarines Sur, Laguna, Nueva Vizcaya, Pangasinan, Quezon, Rizal, MINDANAO: Agusan, Lanao, MINDORO, NEGROS (photos). Notes: Epiphyte. 800-1400m. Native.
     • var. angustum Ames, PJS 2c (1907) 335; Ames in Merrill, EPFP 1 (1925) 389. Distribution: Endemic to the Philippines. MINDORO, NEGROS (photos). Native.
     • var. vagans. Distribution: Endemic to the Philippines. Native.
207. Bulbophyllum vaginatum (Lindl.) Rchb.f., Ann. Bot. Syst. 6 (1861) 261; Agoo, Philippine J. Syst. Biol. 1 (2007) 82; ≡ Cirrhopetalum vaginatum Lindl., Gen. Sp. Orchid. Pl. (1830) 59; Cootes, Philippine Native Orchid Species (2011) 84. Distribution: Borneo, Java, Malay Peninsula, Moluccas, Myanmar, Philippines, Sumatra, Thailand. PALAWAN. Notes: Epiphyte. 0-300m. Native.
208. Bulbophyllum vermiculare Hook.f., Fl. Brit. India 6 (1890) 188. Distribution: Borneo, Malay Peninsula, Philippines, Sulawesi. PANAY. Native.
209. Bulbophyllum vespertilio Ferreras & Cootes, OrchideenJ. 2010 (2010) 150; Cootes, Philippine Native Orchid Species (2011) 65. Distribution: Endemic to the Philippines. LUZON: Isabela. Notes: Epiphyte. 150m. Native.
210. Bulbophyllum vinicolor Cabactulan, Cootes, Aurigue, R.B.Pimentel & M.Leon, OrchideenJ. 2018 (2018) 8; Type: M.D. De Leon MDL1803008 (CAHUP073548, holo), Mindanao: Bukidnon, c. 1500m, 17-Feb-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1500m. Native.
211. Bulbophyllum weberi Ames, PJS 7c (1912) 128; Ames in Merrill, EPFP 1 (1925) 389; ≡ Cirrhopetalum weberi (Ames) Senghas, Orchideen (Schlechter), 3rd Ed. 1 (1983) 775; Cootes, Orch. Philip. (2001) 56; Cootes, Philippine Native Orchid Species (2011) 84. = Cirrhopetalum baucoense (Ames) Garay, Hamer & Siegerist, Nordic J. Bot. 14 (1994) 621; Cootes, Philippine Native Orchid Species (2011) 79; ≡ Bulbophyllum baucoense Ames, Orchidaceae 5 (1915) 166. Distribution: Endemic to the Philippines. LEYTE, LUZON: Aurora, Laguna, Mountain Province, Nueva Ecija, Nueva Vizcaya, Rizal, MINDANAO: Agusan, Bukidnon, Davao, PALAWAN. Notes: Epiphytic on tree trunks. 0-1500m. Native.
212. Bulbophyllum williamsii A.D.Hawkes, Lloydia 14 (1956) 93; Cootes, Philippine Native Orchid Species (2011) 66; ≡ Bulbophyllum caudatum L.O.Williams, Bot. Mus. Leafl. 6 (1938) 99, nom. illeg., non Lindl. Distribution: Endemic to the Philippines. MINDANAO: Surigao. Notes: Epiphyte at c. 1000m. Native.
213. Bulbophyllum woelfliae Garay, Senghas & K.Lemcke, J. Orchideenfr. 3 (1996) 37; Cootes, Philippine Native Orchid Species (2011) 66. Distribution: Endemic to the Philippines. LUZON: Abra. Notes: Epiphyte 1400-2000m. Conservation status: Endangered (IUCN 3.1). Native.
214. Bulbophyllum zambalense Ames, PJS 7c (1912) 134; Ames in Merrill, EPFP 1 (1925) 389. Distribution: Endemic to the Philippines. LUZON: Zambales. Native.
215. Bulbophyllum zamboangense Ames, PJS 8c (1913) 433; Ames in Merrill, EPFP 1 (1925) 390; ≡ Cirrhopetalum zamboangense (Ames) Garay, Hamer & Siegerist, Nordic J. Bot. 4 (1994) 621. Distribution: Endemic to the Philippines. DINAGAT (photos), MINDANAO: Misamis Oriental (photos), Zamboanga. Notes: 260m (photos). Native.

Possibly present

1. Bulbophyllum trigonopus (Rchb.f.) P.T.Ong, Res. Pam. Forest Res. Inst. Federation of Malaya 136 (2017) 42; ≡ Cirrhopetalum trigonopus Rchb.f., Gard. Chron., n.s. 16 (1881) 71. = Bulbophyllum abbreviatum (Rchb.f.) Rchb.f. ex Seidenf., Dansk Bot. Ark. 29 (1973) 73, nom. illeg., non Schltr.; ≡ Cirrhopetalum abbreviatum Rchb.f., Gard. Chron., n.s. 16 (1881) 70. Distribution: Borneo, Malay Peninsula, ?Philippines, Thailand. ?LEYTE.

Calanthe R.Br.

1. Calanthe alba W.Suarez & Cootes, OrchideenJ. 2009 (2009) 116; Cootes, Philippine Native Orchid Species (2011) 67. Distribution: Endemic to the Philippines. LUZON: Quezon. Notes: Terrestrial. 1300m. Native.
2. Calanthe amboinensis (Blume) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 161; ≡ Phaius amboinensis Blume, Mus. Bot. 2 (1856) 180; Ormerod, Taiwania 49 (2004) 178; Type: from Ambon. Distribution: Moluccas, New Caledonia, New Guinea, Pacific Ocean, Philippines, Solomon Isls. JOLO, NEGROS. Notes: 610-975m. Native.
3. Calanthe angustifolia (Blume) Lindl., Gen. Sp. Orchid. Pl. (1833) 251; Ames in Merrill, EPFP 1 (1924) 333; Cootes, Philippine Native Orchid Species (2011) 68; ≡ Styloglossum angustifolium (Blume) T.Yukawa & P.J.Cribb, Bull. Natl. Mus. Nat. Sci. (Tokyo), Ser. B. 40 (2014) 147; ≡ Amblyglottis angustifolia Blume, Bijdr. fl. Ned. Ind. (1825) 369; Type: from Java. Distribution: China, Java, Malay Peninsula, Philippines, Sumatra, Taiwan. LUZON: Benguet, Mountain Province, MINDORO. Notes: Terrestrial. 2000(-?)m. Native.
4. Calanthe borneensis (J.J.Sm.) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 161; ≡ Phaius borneensis J.J.Sm., Icon. Bogor. (Boerlage) 2 (1903) 61; Ormerod, Taiwania 49(3) (2004) 178; Cootes, Philippine Native Orchid Species (2011) 203; Type: from Borneo. Distribution: Borneo, Philippines. MINDORO, PALAWAN. Native.
5. Calanthe callosa (Blume) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 162; ≡ Phaius callosus (Blume) Lindl., Gen. Sp. Orchid. Pl. (1831) 128; Cootes, Philippine Native Orchid Species (2011) 203; ≡ Limodorum callosum Blume, Bijdr. fl. Ned. Ind. (1825) 374. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi, Sumatra. LUZON: Aurora (photos), Sorsogon (photos), MINDANAO: Misamis Occidental (photos), MINDORO, PALAWAN (photos). Native.
6. Calanthe conspicua Lindl., Fol. Orchid. 6 (1855) 4; Ames in Merrill, EPFP 1 (1924) 333; Cootes, Philippine Native Orchid Species (2011) 68. Distribution: Endemic to the Philippines. BOHOL, LUZON: Albay, Camarines Sur (photos), Laguna, Quezon, Rizal, Sorsogon, PALAWAN. Notes: Terrestrial. 300-1000m. Native.
7. Calanthe cootesii Naive, Taiwania 62 (2017) 331; Type: M.A. Naive 016/2017 (CMUH, holo), Mindanao: Bukidnon, Kitanglad Mountain Range, Mt Maagnaw, 2645m, 15-Apr-2017. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 2600-2700m. Conservation status: Data Deficient (Naive 2017). Native.
8. Calanthe davaensis Ames, PJS 8c (1913) 422; Ames in Merrill, EPFP 1 (1924) 333; Cootes, Philippine Native Orchid Species (2011) 68. Distribution: Endemic to the Philippines. MINDANAO: Cotabato, Davao, Davao del Sur. Notes: Terrestrial. 2000m. Native.
9. Calanthe furcata Bateman ex Lindl., Edwards's Bot. Reg. 24 (1838) 28; Ames in Merrill, EPFP 1 (1924) 334; Cootes, Philippine Native Orchid Species (2011) 69; Type: Cuming s.n. (Herb. J. Lindley). Distribution: Endemic to the Philippines. BALABAC, CAMIGUIN, LEYTE, LUZON: Albay, Bataan, Benguet, Camarines, Kalinga-Apayao, Laguna, Mountain Province, Nueva Vizcaya, Pampanga, Quezon, Rizal, Sorsogon, Zambales (photos), MINDANAO: Bukidnon, Cotabato, Davao, Lanao, Misamis, Zamboanga, MINDORO, NEGROS (photos), PANAY, POLILLO, SAMAR, SIBUTU, TAWI-TAWI. Notes: Part of the Calanthe triplicata (Willem.) Ames species complex and considered doubtfully distinct by some. Terrestrial. (?-)150-350m (photos) to 2500m. Native.
10. Calanthe halconensis Ames, PJS 2c (1907) 324; Ames in Merrill, EPFP 1 (1924) 334; Cootes, Philippine Native Orchid Species (2011) 69; ≡ Styloglossum halconense (Ames) T.Yukawa & P.J.Cribb, Bull. Natl. Mus. Nat. Sci. (Tokyo), Ser. B. 40 (2014) 148. Distribution: Endemic to the Philippines. LUZON: Apayao (photos), Camarines Sur, Laguna, Quezon, MINDORO, NEGROS. Notes: 700-1300m. Native.
11. Calanthe jusnerii Boxall ex Náves, Fl. Filip., 3rd Ed. 4(Nov. App.) (1880) 247. Distribution: Endemic to the Philippines. Native.
12. Calanthe kooshunensis Fukuy., Rep. (Annual) Taihoku Bot. Gard. 3 (1933) 85; Chase et al., Phytotaxa 472 (2020) 167. = Cephalantheropsis halconensis (Ames) S.S.Ying, Coloured Ill. Indig. Orchids Taiwan 3 (1988) 622; ≡ Phaius halconensis Ames, PJS 2c (1907) 323; Merrill, EPFP 3 (1923) 331; Type: Merrill 5513 (AMES, holo; K, NMNH, iso), Mindoro: Mt Halcon, 16-Nov-1906. = Cephalantheropsis calanthoides (Ames) T.S.Liu & H.J.Su, Fl. Taiwan, 1st Ed. 5 (1978) 918; ≡ Phaius calanthoides Ames, Orchidaceae 2 (1908) 153; Type: R.S. Williams 1947 (NY9150-9151, syn; AMES, NMNH, isosyn), Luzon: Benguet, Baguio, 25-Oct-1904; D.L. Topping 20 (syn). Distribution: Philippines, Taiwan. LUZON, MINDANAO: Davao Oriental (photos), SIBUYAN. Notes: Is Phaius calanthoides Ames a synonym of Cephalantheropsis longipes (Hook.f.) Ormerod instead (Lin et al. 2016)? Native.
13. Calanthe lacerata Ames, PJS 7c (1912) 11; Ames in Merrill, EPFP 1 (1924) 334; Cootes, Philippine Native Orchid Species (2011) 70. Distribution: Endemic to the Philippines. LUZON: Benguet, Camarines Sur, Mountain Province, Quezon, MINDANAO: Zamboanga, NEGROS. Notes: Terrestrial. 1000-2500m. Native.
14. Calanthe laciniata (Ormerod) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 163; ≡ Cephalantheropsis laciniata Ormerod, Orchid Digest 62 (1998) 157. Distribution: Malay Peninsula, Philippines, Vietnam. PALAWAN (photos). Notes: 1160m. Native.
15. Calanthe longipes Hook.f., Fl. Brit. India 6 (1890) 195; Chase et al., Phytotaxa 472 (2020) 167; ≡ Cephalantheropsis longipes (Hook.f.) Ormerod, Orchid Digest 62 (1998) 156; Cootes, Philippine Native Orchid Species (2011) 72; Type: from India. = Phaius mindorensis Ames, PJS 2c (1907) 324; Merrill, EPFP 3 (1923) 332; Type: Merrill 5612 (AMES, holo), Mindoro: Mt Halcon, 13-Nov-1906. Distribution: Bhutan, China, India, Japan, Philippines, Ryukyu Isls, Taiwan, Tibet, Vietnam. MINDORO, NEGROS (photos). Notes: Terrestrial. 600-940m. Native.
16. Calanthe lyonii (Ames) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 163; ≡ Phaius lyonii Ames, Orchidaceae 5 (1915) 94; Merrill, EPFP 3 (1923) 332. Distribution: Endemic to the Philippines. Native.
17. Calanthe lyroglossa Rchb.f., Otia Bot. Hamburg. (1878) 53; Ames in Merrill, EPFP 1 (1924) 334; Cootes, Philippine Native Orchid Species (2011) 70; ≡ Styloglossum lyroglossum (Rchb.f.) T.Yukawa & P.J.Cribb, Bull. Natl. Mus. Nat. Sci. (Tokyo), Ser. B. 40 (2014) 149; Type: Wilkes Expedition s.n. (GH, possible type), Luzon: Mt Mahahai (Mt Banahaw), 1838. Distribution: Cambodia, China, India, Japan, Laos, Malay Peninsula, Myanmar, Philippines, Ryukyu Isls, Taiwan, Thailand, Vietnam. LUZON: Bataan, Cagayan, Laguna, Rizal, Zambales, MINDORO, NEGROS, PALAWAN. Notes: Terrestrial. 50-1100m. Native.
18. Calanthe maquilingensis Ames, Orchidaceae 5 (1915) 97; Ames in Merrill, EPFP 1 (1924) 334; Cootes, Philippine Native Orchid Species (2011) 70; ≡ Styloglossum maquilingense (Ames) T.Yukawa & P.J.Cribb, Bull. Natl. Mus. Nat. Sci. (Tokyo), Ser. B. 40 (2014) 149. Distribution: Endemic to the Philippines. LEYTE, LUZON: Laguna, Rizal, MINDORO, NEGROS. Notes: Terrestrial. 600-1000m. Native.
19. Calanthe mcgregorii Ames, PJS 2c (1907) 325; Ames in Merrill, EPFP 1 (1924) 334; Cootes, Philippine Native Orchid Species (2011) 70. Distribution: Endemic to the Philippines. BOHOL, LEYTE, LUZON: Quezon, Rizal, MINDANAO: Davao de Oro (photos), Lanao, Misamis Occidental (photos), Misamis Oriental (photos), Zamboanga del Sur (photos), MINDORO, NEGROS, POLILLO. Notes: Part of the Calanthe triplicata (Willem.) Ames species complex and considered doubtfully distinct by some. 300-1250m (photos). Native.
20. Calanthe mindorensis Ames, PJS 2c (1907) 325; Ames in Merrill, EPFP 1 (1924) 334; Cootes, Philippine Native Orchid Species (2011) 71; Type: Merrill 5525, Philippines. Distribution: Endemic to the Philippines. MINDORO. Notes: Part of the Calanthe triplicata (Willem.) Ames species complex and considered doubtfully distinct by some. Terrestrial. 700m. Native.
21. Calanthe mishmensis (Lindl. & Paxton) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 163; ≡ Phaius mishmensis (Lindl. & Paxton) Rchb.f., Bonplandia 5 (1857) 43; Cootes, Philippine Native Orchid Species (2011) 204; ≡ Limatodis mishmensis Lindl. & Paxton, Paxton's Fl. Gard. 3 (1852) 36; Type: from India. Distribution: Bhutan, China, India, Laos, Myanmar, Philippines, Ryukyu Isls, Taiwan, Thailand, Tibet, Vietnam. Native.
22. Calanthe nivalis Boxall ex Náves, Fl. Filip., 3rd Ed. 4(Nov. App.) (1880) 247. Distribution: Endemic to the Philippines. Native.
23. Calanthe obcordata (Lindl.) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 164; ≡ Cephalantheropsis obcordata (Lindl.) Ormerod, Orchid Digest 62 (1998) 157; Cootes, Philippine Native Orchid Species (2011) 72; ≡ Bletia obcordata Lindl., Gen. Sp. Orchid. Pl. (1831) 123; Type: from Bangladesh. = Phaius ramosii (Ames) Ames, Orchidaceae 5 (1915) 96; ≡ Calanthe ramosii Ames, PJS 7c (1912) 12. Distribution: China, India, Java, Laos, Malaysia, Myanmar, Philippines, Ryukyu Isls, Taiwan, Thailand, Vietnam. LUZON: Zambales, MINDANAO: Davao Oriental (photos). Native.
24. Calanthe philippinensis (N.E.Br.) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 164; ≡ Phaius philippinensis N.E.Br., Gard. Chron., 3rd Ser. 6 (1889) 239; Merrill, EPFP 3 (1923) 332; Cootes, Philippine Native Orchid Species (2011) 204. Distribution: Endemic to the Philippines. DINAGAT (photos), LUZON: Camarines Sur (photos), Mountain Province, Nueva Vizcaya, Zambales, MINDANAO: Bukidnon, Davao del Sur (photos), MINDORO. Native.
25. Calanthe pulchra (Blume) Lindl., Gen. Sp. Orchid. Pl. (1833) 250; Ames in Merrill, EPFP 1 (1924) 335; Cootes, Philippine Native Orchid Species (2011) 71; ≡ Styloglossum pulchrum (Blume) T.Yukawa & P.J.Cribb, Bull. Natl. Mus. Nat. Sci. (Tokyo), Ser. B. 40 (2014) 150; ≡ Amblyglottis pulchra Blume, Bijdr. fl. Ned. Ind. (1825) 371. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sumatra. JOLO, LEYTE, LUZON: Laguna, Quezon, Sorsogon, MINDANAO: Bukidnon (photos), Davao Oriental (photos), Misamis Oriental (photos), MINDORO, NEGROS, PANAY (photos), SULU ARCHIPELAGO. Notes: Terrestrial. 100-800m to 1000m (photos). Native.
26. Calanthe reflexipetala (J.J.Wood & Shim) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 164; ≡ Phaius reflexipetalus J.J.Wood & Shim, Orchids Borneo 1 (1994) 231; Salares et al., Phytotaxa 360 (2018) 260; Type: from Borneo. Distribution: Borneo, Philippines. BASILAN (photos), CEBU, MINDANAO: Davao Oriental. Native.
27. Calanthe rubens Ridl., Gard. Chron., 3rd Ser. 7 (1890) 576; Cootes, Orch. Philip. (2001) 49; ≡ Preptanthe rubens (Ridl.) Ridl., Fl. Malay Penins. 4 (1924) 123. = Calanthe elmeri Ames, Orchidaceae 2 (1908) 155; Ames in Merrill, EPFP 1 (1924) 333. Distribution: Malay Peninsula, Philippines, Thailand. BUSUANGA, LUZON: Abra, Benguet, Ilocos Sur, Mountain Province, PALAWAN, PANAY. Notes: Terrestrial. (?-)1800m. Native.
28. Calanthe siargaoensis M.Leon, Naive & Cootes, Die Orchidee 3 (2017) 61; Type: M.D. De Leon 013/2016 (CMUH, holo), Siargao. Distribution: Endemic to the Philippines. CEBU (photos by Pelser & Barcelona), SIARGAO. Notes: Part of the Calanthe triplicata (Willem.) Ames species complex and considered doubtfully distinct by some. 30m. Native.
29. Calanthe × sibuyanense Cootes & G.Tiong, OrchideenJ. 2013 (2013) 171. Distribution: Endemic to the Philippines. Notes: Calanthe mindorensis × Calanthe triplicata (= Calanthe furcata?). Part of the Calanthe triplicata (Willem.) Ames species complex and considered doubtfully distinct by some. <400m class="">. Native.
30. Calanthe speciosa (Blume) Lindl., Gen. Sp. Orchid. Pl. (1833) 250; Cootes, Philippine Native Orchid Species (2011) 71; ≡ Styloglossum speciosum (Blume) T.Yukawa & P.J.Cribb, Bull. Natl. Mus. Nat. Sci. (Tokyo), Ser. B. 40 (2014) 150; ≡ Amblyglottis speciosa Blume, Bijdr. fl. Ned. Ind. (1825) 371. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sumatra. MINDORO, NEGROS. Notes: Terrestrial. 100-1500m. Native.
31. Calanthe stenocentron (Schltr.) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 165; ≡ Phaius stenocentron Schltr., Repert. Spec. Nov. Regni Veg. 10 (1911) 68; Odulio et al., Biodivers. Data J. 14 (2026) 28. = Phaius fragilis L.O.Williams, Bot. Mus. Leafl. 6 (1938) 102; Cootes, Philippine Native Orchid Species (2011) 204. Distribution: Philippines, Sulawesi. LUZON: Aurora (photos), Camarines Sur (photos), Laguna, Quezon, Rizal, MINDANAO: Davao, Davao Oriental (photos), MINDORO, NEGROS, PALAWAN, PANAY, SAMAR. Notes: 1000-1500m (photos). Native.
32. Calanthe tankervilleae (Banks) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 165; ≡ Phaius tankervilleae (Banks) Blume, Mus. Bot. 2 (1856) 177; Cootes, Philippine Native Orchid Species (2011) 205; ≡ Limodorum tankervilleae Banks, Sert. Angl. (1789) 28. = Phaius tankervilleae var. antoninae (P.Balzer) J.V.Stone & P.J.Cribb, Lady Tankerville's Legacy (2017) 103; ≡ Phaius antoninae P.Balzer, OrchideenJ. 2011 (2011) 62; Cootes, Philippine Native Orchid Species (2011) 203. Distribution: Philippines, Taiwan. BASILAN (photos), LEYTE, LUZON: Camarines Sur (photos), Mountain Province, Quezon, MINDANAO: Agusan del Sur (photos), Bukidnon (photos), Zamboanga del Norte (photos), MINDORO, NEGROS (photos), PANAY (photos), SAMAR. Notes: 400-500m (photos) to 1050m. Native.
33. Calanthe vestita Wall. ex Lindl., Gen. Sp. Orchid. Pl. (1833) 250; Cootes, Philippine Native Orchid Species (2011) 72; ≡ Preptanthe vestita (Wall. ex Lindl.) Rchb.f., Fl. Serres Jard. Eur. 8 (1853) 245; T.Yukawa & P.J.Cribb, Bull. Natl. Mus. Nat. Sci., Ser. B, 40 (2014) 146. = Calanthe hennisii Loher, Gard. Chron., 3rd Ser. 46 (1909) 34; Ames in Merrill, EPFP 1 (1924) 334; Cootes, Orch. Philip. (2001) 48; Cootes, Philippine Native Orchid Species (2011) 69. Distribution: Borneo, India, Java, Malay Peninsula, Moluccas, Myanmar, New Guinea, Philippines, Sulawesi, Thailand, Vietnam. LUZON: Quezon, Rizal, MINDANAO: Cotabato, Davao, South Cotabato, NEGROS. Notes: 500-1000m. Native.
34. Calanthe woodfordii (Hook.) M.W.Chase, Christenh. & Schuit., Phytotaxa 472 (2020) 166; ≡ Bletia woodfordii Hook., Bot. Mag. 54 (1827) t.2719. = Paraphaius flavus (Blume) J.W.Zhai, Z.J.Liu & F.W.Xing, Molec. Phylogen. Evol. 77 (2014) 221; ≡ Phaius flavus (Blume) Lindl., Gen. Sp. Orchid. Pl. (1831) 128; Merrill, EPFP 3 (1923) 331; Ormerod, Taiwania 49(3) (2004) 179; Cootes, Philippine Native Orchid Species (2011) 204; ≡ Limodorum flavum Blume, Bijdr. fl. Ned. Ind. (1825) 375; Type: from Java. = Phaius linearifolius Ames, PJS 7c (1912) 10; Merrill, EPFP 3 (1923) 331; Type: Vanoverbergh 1288 (AMES, holo; AMES 2 sheets, L, NY 2 sheets, US, iso), Luzon: Mountain Province, growing in brooks, 1650m, 28-Jun-1911. Distribution: Bhutan, China, India, Japan, Java, Laos, Malaysia, Myanmar, Nepal, New Caledonia, New Guinea, Pacific Ocean, Philippines, Sri Lanka, Taiwan, Thailand, Tibet, Vietnam. LUZON: Aurora (photos), Benguet, Cagayan, Mountain Province, Nueva Ecija, Nueva Vizcaya, Pangasinan, Rizal, Sorsogon, MINDANAO: Davao Oriental (photos), MINDORO, PANAY. Notes: 1650m. Native.

Possibly present

1. Calanthe masuca (D.Don) Lindl., Gen. Sp. Orchid. Pl. (1833) 249; ≡ Bletia masuca D.Don, Prodr. Fl. Nepal. (1825) 30; Type: from Nepal. Distribution: Borneo, China, India, Japan, Java, Lesser Sunda Isls, Madagascar, Malay Peninsula, Nepal, ?Philippines, Ryukyu Isls, Sri Lanka, Sulawesi, Sumatra, Taiwan, Thailand, Tibet, Vietnam. ?PALAWAN. Notes: Photos by Jose Edgar and Jonah van Beijnen possibly represent this species.
2. Calanthe rosea (Lindl.) Benth., J. Linn. Soc., Bot. 18 (1880) 309; ≡ Limatodis rosea Lindl., Paxton's Fl. Gard. 3 (1852) 35. Distribution: Myanmar, ?Philippines, Thailand. ?LUZON.

Ceratocentron Senghas (Endemic)

1. Ceratocentron fesselii Senghas, Orchidee (Hamburg) 40 (1989) 90; Cootes, Orch. Philip. (2001) 49; Cootes, Philippine Native Orchid Species (2011) 73. = Tuberolabium calcaratum T.Hashim., Ann. Tsukuba Bot. Gard. 10 (1991) 33. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija, Nueva Vizcaya, NEGROS. Notes: Epiphytic, c. 1000m. Conservation status: Critically Endangered (IUCN 3.1). DAO category: Critically Endangered. Native.

Ceratostylis Blume

1. Ceratostylis caespitosa L.O.Williams, Bot. Mus. Leafl. 6 (1938) 96; Cootes, Philippine Native Orchid Species (2011) 73. Distribution: Endemic to the Philippines. LUZON: Rizal, MINDANAO: Bukidnon (photos), MINDORO, NEGROS (photos). Notes: Epiphyte, c. 500m. Native.
2. Ceratostylis dataensis Ames, Orchidaceae 7 (1922) 151; Ames in Merrill, EPFP 1 (1924) 317. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province, Nueva Vizcaya, PANAY. Native.
3. Ceratostylis elmeri Ames, Schedul. Orchid. 6 (1923) 49; Ames in Merrill, EPFP 1 (1924) 317; Type: Elmer 11358 (AMES), Mindanao: Davao, Mt Apo, Aug-1909. Distribution: Endemic to the Philippines. MINDANAO: Davao del Sur. Native.
4. Ceratostylis heterophylla W.Suarez, Austral. Orchid Rev. 76(4) (2011) 52; Cootes, Philippine Native Orchid Species (2011) 74. Distribution: Endemic to the Philippines. LUZON: Mountain Province (photos), Nueva Vizcaya. Notes: Epiphyte. 1200-1500m. Native.
5. Ceratostylis incognita J.T.Atwood & Beckner, Selbyana 19 (1999) 265; Cootes, Orch. Philip. (2001) 50; Cootes, Philippine Native Orchid Species (2011) 74. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija, Nueva Vizcaya. Notes: Epiphytic, usually in very brightly lit spots, 750-1500m. Native.
6. Ceratostylis latipetala Ames, PJS 4c (1909) 671; Ames in Merrill, EPFP 1 (1924) 317; Cootes, Philippine Native Orchid Species (2011) 74. Distribution: Endemic to the Philippines. MINDANAO: Agusan, Bukidnon, Davao, Misamis, Zamboanga, PANAY. Notes: Epiphyte, c. 1400m. Synonym of Ceratostylis retisquama Rchb.f.? Native.
7. Ceratostylis loheri L.O.Williams, Bot. Mus. Leafl. 6 (1938) 97; Cootes, Philippine Native Orchid Species (2011) 75. Distribution: Endemic to the Philippines. LUZON: Rizal. Notes: Epiphyte, c. 800m. Native.
8. Ceratostylis mindanaensis Ames, Schedul. Orchid. 6 (1923) 51; Ames in Merrill, EPFP 1 (1924) 317. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Native.
9. Ceratostylis philippinensis Rolfe ex Ames, Orchidaceae 1 (1905) 79; Ames in Merrill, EPFP 1 (1924) 317; Cootes, Philippine Native Orchid Species (2011) 75. Distribution: Endemic to the Philippines. LEYTE, LUZON: Bataan, Benguet, Camarines, Camarines Sur, Ilocos Norte, Mountain Province, Nueva Vizcaya, Quezon, Rizal, Sorsogon, MINDORO, NEGROS. Notes: Epiphyte 60-800m. Native.
10. Ceratostylis pristina M.Leon, Naive & Cootes, Phytotaxa 305 (2017) 299; Type: M.D. De Leon 007/2016 (CMUH 00010858, holo), Mindanao: Bukidnon, Kalatungan Mountain Range, epiphytic in montane forest with open canopy, 21-May-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao del Sur (photos), Misamis Occidental (photos), Misamis Oriental (photos). Notes: 1200m. Native.
11. Ceratostylis ramosa Ames & Rolfe, Orchidaceae 2 (1908) 149; Ames, PJS 2c (1907) 323; Orchidaceae 2 (1908) 149; Ames in Merrill, EPFP 1 (1924) 318; Cootes, Philippine Native Orchid Species (2011) 75; Enriquez et al., Fl. Plants Mt. Apo Natural Park (2024) 86. Distribution: Endemic to the Philippines. LUZON: Bataan, Mountain Province, Rizal, MINDANAO: Davao del Sur, Zamboanga, MINDORO, NEGROS (photos). Notes: Epiphyte. 500-1600m. Native.
12. Ceratostylis retisquama Rchb.f., Bonplandia 5 (1857) 53; Ames in Merrill, EPFP 1 (1924) 318; Cootes, Orch. Philip. (2001) 51; Cootes, Philippine Native Orchid Species (2011) 75; Type: Cuming 2152 (L), Philippines. Distribution: Endemic to the Philippines. LUZON: Camarines Norte, Camarines Sur, Ilocos Norte, Quezon, Zambales, MINDANAO: Agusan del Norte, Bukidnon, Davao del Sur (photos), Misamis Occidental. Notes: Epiphytic. 0-500m. Native.
13. Ceratostylis rubra Ames, PJS 4c (1909) 670; Ames in Merrill, EPFP 1 (1924) 318. Distribution: Endemic to the Philippines. LUZON: Bataan, Rizal, MINDANAO: Davao del Sur (photos), Lanao del Sur. Notes: Synonym of Ceratostylis retisquama Rchb.f.? Native.
14. Ceratostylis senilis Rchb.f., Otia Bot. Hamburg. (1878) 54; Ames in Merrill, EPFP 1 (1924) 318; Cootes, Orch. Philip. (2001) 51; Cootes, Philippine Native Orchid Species (2011) 76. Distribution: Endemic to the Philippines. LUZON: Bataan, Camarines Sur, Laguna, Nueva Vizcaya, Pangasinan, Quezon, Rizal, Sorsogon, MINDANAO: Agusan del Norte, Surigao del Norte, MINDORO, NEGROS (photos). Notes: Epiphytic in brightly-lit sites at c. 1000m. Native.
15. Ceratostylis subulata Blume, Bijdr. fl. Ned. Ind. (1825) 306; Ames in Merrill, EPFP 1 (1924) 318; Cootes, Orch. Philip. (2001) 52; Cootes, Philippine Native Orchid Species (2011) 76. Distribution: Borneo, Cambodia, China, India, Java, Laos, Malay Peninsula, Moluccas, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sumatra, Thailand, Vietnam. LUZON: Bataan, Benguet, Camarines Sur, Ifugao, Laguna, Nueva Vizcaya, Pampanga, Rizal, MINDANAO: Agusan del Norte, Bukidnon, Cotabato (photos), Davao, Davao del Sur (photos), Lanao del Sur, South Cotabato, Surigao del Norte, Zamboanga, MINDORO, PANAY. Notes: Epiphytic, up to 2100m. Native.
16. Ceratostylis wenzelii Ames, PJS 8c (1914) 421; Ames in Merrill, EPFP 1 (1924) 319; Cootes, Philippine Native Orchid Species (2011) 76. Distribution: Endemic to the Philippines. BASILAN, LEYTE, MINDANAO: Davao, SULU ARCHIPELAGO. Notes: Epiphyte, 60-800m. Native.

Cestichis Thouars

1. Cestichis halconensis Ames, PJS 2c (1907) 321; Ormerod et al., Harvard Papers in Botany 24 (2019) 281; ≡ Liparis halconensis (Ames) Ames, Orchidaceae 5 (1915) 80; Ames in Merrill, EPFP 1 (1924) 313; Cootes, Philippine Native Orchid Species (2011) 176; Type: Merrill 5799 (AMES, holo; K, iso), Mindoro: Mt Halcon, 8-Nov-1906. = Liparis viridicallus Holttum, Gard. Bull. Singapore 14 (1953) 4; Type: from Malaysia. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sumatra. CEBU (photos), LUZON: Ifugao, Quezon (photos), Rizal, MINDORO, NEGROS (photos), PANAY. Notes: Terrestrial or lithophyte. 400-1525m. Native.

Chamaeanthus Schltr.

1. Chamaeanthus wenzelii Ames, Orchidaceae 5 (1915) 200; Ames in Merrill, EPFP 1 (1925) 404; Cootes, Philippine Native Orchid Species (2011) 76; Type: Wenzel 110 (GH, holo; AMES, K, MO, iso), Leyte. Distribution: Philippines, Taiwan. LEYTE, LUZON: Sorsogon, MINDANAO: Agusan, Cotabato, Davao, POLILLO. Notes: Epiphyte, low elevation. Native.

Possibly present

1. Chamaeanthus brachystachys Schltr., Orch. Java (1905) 552; Agoo, Philippine J. Syst. Biol. 1 (2007) 82. Distribution: Borneo, Java, ?Philippines, Thailand.

Cheirostylis Blume

1. Cheirostylis chinensis Rolfe, Ann. Bot. (Oxford) 9 (1895) 158; Cootes, Philippine Native Orchid Species (2011) 77. = Cheirostylis philippinensis Ames, Orchidaceae 2 (1908) 59; Ames in Merrill, EPFP 1 (1924) 275; Type: from Taiwan. = Cheirostylis taiwanensis Yamam., J. Soc. Trop. Agric. 5 (1933) 54; Type: from Taiwan. Distribution: China, Hong Kong, Myanmar, Philippines, Taiwan, Vietnam. LUZON: Benguet, Kalinga, Quezon, Rizal (photos), MINDANAO: Lanao del Norte (photos), NEGROS, PANAY. Notes: In mountainous regions at 300-900 m. Native.
2. Cheirostylis octodactyla Ames, PJS 2c (1907) 314; Ames in Merrill, EPFP 1 (1924) 275; Cootes, Philippine Native Orchid Species (2011) 77; Type: Merrill 5834 (AMES, holo; K, iso), Mindoro: Mt Halcon, 22-Nov-1906. Distribution: Philippines, Taiwan, Vietnam. LUZON: Benguet (photos), Laguna, Quezon, MINDANAO: Bukidnon, MINDORO. Notes: Terrestrial, 1500-2700m. Native.

Chelonistele Pfitzer

1. Chelonistele sulphurea (Blume) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 137; Cootes, Philippine Native Orchid Species (2011) 78; ≡ Chelonanthera sulphurea Blume, Bijdr. fl. Ned. Ind. (1825) 384; Cootes, Orch. Philip. (2001) 52. Distribution: LEYTE, LUZON: Camarines Sur, MINDANAO: Agusan del Norte, Bukidnon, Cotabato, MINDORO, NEGROS (photos), PALAWAN. Native.
   • var. sulphurea. = Coelogyne ramosii Ames, Orchidaceae 7 (1922) 90; Ames in Merrill, EPFP 1 (1924) 282. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sumatra. LEYTE, MINDANAO: Agusan del Norte, Bukidnon, Cotabato, MINDORO, PALAWAN. Notes: According to Cootes (2001) recorded from thoughout Mindanao. Epiphytic, 600-2700m. Native.

Chiloschista Lindl.

Possibly present

1. Chiloschista sp. Distribution: ?Philippines. ?LUZON: ?Mountain Province. Notes: A plant in cultivation and of unknown origin might represent this genus in the Philippines (Raab Bustamante, pers. comm., 9-Feb-24). A species has also been photographed in Mountain Province.

Chrysoglossum Blume

1. Chrysoglossum ornatum Blume, Bijdr. fl. Ned. Ind. (1825) 337; Cootes, Philippine Native Orchid Species (2011) 78; Type: from Java. Distribution: Bhutan, Cambodia, India, Java, Laos, Malay Peninsula, Nepal, New Caledonia, New Guinea, Pacific Ocean, Philippines, Sri Lanka, Sulawesi, Sumatra, Taiwan, Thailand, Vietnam. CEBU, LUZON: Benguet (photos), MINDANAO: Bukidnon (photos), Misamis Oriental (photos), MINDORO, NEGROS, PALAWAN. Notes: Terrestrial. 900m to 1376m (photos). Native.

Cionisaccus Breda

1. Cionisaccus procera (Ker Gawl.) M.C.Pace, Brittonia 72 (2020) 263; ≡ Goodyera procera (Ker Gawl.) Hook., Exot. Fl. 1 (1823) t.39; Cootes, Philippine Native Orchid Species (2011) 163; ≡ Neottia procera Ker Gawl., Bot. Reg. 8 (1822) t.639; Type: from Nepal. = Goodyera philippinensis (Ames) Schltr., Bot. Jahrb. Syst. 45 (1911) 392; ≡ Epipactis philippinensis Ames, Orchidaceae 2 (1908) 60; Ames in Merrill, EPFP 1 (1924) 271; Type: Topping 502 (AMES, holo; AMES, iso), Luzon: Laguna, Pagsanjan, 1904. Throughout much of Asia. Distribution: Bangladesh, Bhutan, Cambodia, China, India, Japan, Java, Laos, Myanmar, Nepal, Philippines, Sri Lanka, Taiwan, Thailand, Tibet, Vietnam. LUZON: Bataan, Benguet, Cavite, Laguna, Mountain Province, Zambales, MINDORO, NEGROS (photos), PANAY. Notes: Reasonably common in Luzon. 100-1100m. Native.

Claderia Hook.f.

Incertae sedis

1. Claderia sp.; Schuiteman, Kew Bulletin 67 (2012) 571-573. Distribution: Endemic to the Philippines. LUZON. Notes: Only known from a single specimen: Loher 2151 (K). Conservation status: Possibly Extinct (Schuiteman 2012). Native.

Cleisostoma Blume

1. Cleisostoma aikoae Cootes, OrchideenJ. 2015 (2015) 131; Type: Schneider s.n. NSW907364 (NSW, holo), Mindoro: Mount Thimble, c. 600m. Distribution: Endemic to the Philippines. MINDORO. Native.
2. Cleisostoma duplicilobum (J.J.Sm.) Garay, Bot. Mus. Leafl. 23 (1972) 171; Cootes, Philippine Native Orchid Species (2011) 85; ≡ Garayanthus duplicilobus (J.J.Sm.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 136; ≡ Sarcanthus duplicilobus J.J.Sm., Bull. Dépt. Agric. Indes Néerl. 13 (1907) 64. Distribution: Borneo, India, Java, Laos, Philippines, Sumatra, Thailand, Vietnam. PALAWAN. Notes: Epiphyte 500-2000m. Native.
3. Cleisostoma sagittatum Blume, Bijdr. fl. Ned. Ind. (1825) 363; Cootes, Philippine Native Orchid Species (2011) 85. = Sarcanthus malleifer J.J.Sm., Natuurk. Tijdschr. Ned.-Indië 72 (1912) 89; Ames in Merrill, EPFP 1 (1925) 437. Distribution: Java, Philippines, Sumatra. LUZON: Bulacan (photos), MINDANAO: Agusan, PALAWAN. Notes: Epiphyte, up to 1000m. DAO category: Endangered. Native.
4. Cleisostoma subulatum Blume, Bijdr. fl. Ned. Ind. (1825) 363; Cootes, Orch. Philip. (2001) 55; Cootes, Philippine Native Orchid Species (2011) 85; ≡ Sarcanthus subulatus (Blume) Rchb.f., Bonplandia 5 (1857) 41. = Cleisostoma dealbatum Lindl., Edwards's Bot. Reg. 29(Misc.) (1843) 5; ≡ Sarcanthus dealbatus (Lindl.) Rchb.f., Ann. Bot. Syst. 6 (1864) 892; Ames in Merrill, EPFP 1 (1925) 436. = Cleisostoma iloconense Calaramo, Cootes & Palting, Die Orchidee 2 (2016) 2; Type: HNUL009002 (holo), Luzon: Kalinga-Apayao, Solsona. Distribution: Borneo, India, Java, Malay Peninsula, Philippines, Sulawesi, Sumatra, Thailand, Vietnam. BALABAC, BANCALAN, BASILAN, BUSUANGA, CEBU (photos), LEYTE, LUZON: Bulacan, Ilocos Norte, Kalinga-Apayao, Laguna, Quezon, Rizal, Sorsogon, MINDANAO: Davao, Misamis Oriental (photos), Surigao, MINDORO, PALAWAN, SAMAR, SULU ARCHIPELAGO, TAWI-TAWI. Notes: Epiphytic in partially shaded to fully exposed sites, up to 300m. Native.
5. Cleisostoma uraiense (Hayata) Garay & H.R.Sweet, Orchids S. Ryukyu Islands (1974) 156; Cootes, Philippine Native Orchid Species (2011) 85; ≡ Sarcanthus uraiensis Hayata, Icon. Pl. Formosan. 8 (1919) 130; Type: from Taiwan. = Sarcanthus micranthus Ames, Orchidaceae 5 (1915) 250; Ames in Merrill, EPFP 1 (1925) 437. Distribution: Philippines, Ryukyu Isls, Taiwan. BASILAN, LEYTE, LUZON: Bataan, Camarines, Laguna, Quezon, Rizal, MINDANAO: Cotabato, Davao, Lanao, Zamboanga, MINDORO, PALAWAN. Notes: Epiphyte, up to 900m. Native.
6. Cleisostoma williamsonii (Rchb.f.) Garay, Bot. Mus. Leafl. 23 (1972) 175; Cootes, Philippine Native Orchid Species (2011) 86; ≡ Sarcanthus williamsonii Rchb.f., Hamburger Garten- Blumenzeitung 21 (1865) 353. = Cleisostoma weberi (Ames) Garay, Bot. Mus. Leafl. 23 (1972) 175; Cootes, Orch. Philip. (2001) 57; ≡ Sarcanthus weberi Ames, Orchidaceae 5 (1915) 252; Ames in Merrill, EPFP 1 (1925) 437; Type: Weber 252 (AMES), Mindanao: Davao, epiphytic on mangrove trees in tidal swamp, 7-Sep-1911. Distribution: Borneo, China, Hong Kong, India, Java, Malay Peninsula, Philippines, Sumatra, Thailand, Vietnam. LUZON: Bataan, MINDANAO: Cotabato, Davao, Misamis Oriental (photos), South Cotabato, PALAWAN. Notes: Epiphytic, up to 300m. Native.

Excluded

1. Cleisostoma racemiferum (Lindl.) Garay, Bot. Mus. Leafl. 23 (1972) 173; Ormerod et al., Harvard Papers in Botany 27 (2022) 62; ≡ Saccolabium racemiferum Lindl., Gen. Sp. Orchid. Pl. (1833) 224; Type: from India. = Cleisostoma striolatum (Rchb.f.) Garay, Bot. Mus. Leafl. 23 (1972) 175; ≡ Sarcanthus striolatus Rchb.f., Gard. Chron., n.s. 18 (1882) 168; Ames in Merrill, EPFP 1 (1925) 437; Type: Low & Co s.n. (W-R, holo), Philippines: Jun-1882. Distribution: Bhutan, China, India, Laos, Myanmar, Nepal, Thailand, Vietnam. Notes: Ormerod et al. (2022) explain that the type of Sarcanthus striolatus Rchb.f. did not come from the Philippines and that this taxon is not found in the Philippines.

Coelogyne Lindl.

1. Coelogyne aborta (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 100; ≡ Dendrochilum abortum (Ames) L.O.Williams, PJS 80 (1952) 310; Pedersen et al., Opera Bot. 130 (1997) 17; Opera Bot. 131 (1997) 72; Cootes, Philippine Native Orchid Species (2011) 126; ≡ Acoridium abortum Ames, Blumea Suppl. 1 (1937) 68; Type: Loher 14694 (AMES, holo; L, P, iso), Luzon: Rizal, Sep-1909. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija, Nueva Vizcaya, Rizal. Notes: Epiphytic. 1200m. Native.
2. Coelogyne aculeata M.W.Chase & Schuit., Phytotaxa 510 (2021) 100; ≡ Dendrochilum apiculatum (Ames) L.O.Williams, PJS 80 (1952) 331; Pedersen et al., Opera Bot. 130 (1997) 60; Opera Bot. 131 (1997) 42; ≡ Pseudacoridium apiculatum (Ames) Szlach. & Marg., Polish Bot. J. 46 (2001) 114; ≡ Acoridium apiculatum Ames, Blumea Suppl. 1 (1937) 70; Type: Loher s.n. (AMES, holo), Luzon: Rizal, Guiniuisan, Jan-1913 (15-Nov-1912 according to Loher’s handwritten field notes attached to the type sheet). Distribution: Endemic to the Philippines. LUZON: Apayao (photos), Rizal. Native.
3. Coelogyne affinis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 101; ≡ Dendrochilum affine Ames, Orchidaceae 2 (1908) 95; ≡ Acoridium affine (Ames) Ames, Orchidaceae 7 (1922) 80; Ames in Merrill, EPFP 1 (1924) 284; Pedersen et al., Opera Bot. 130 (1997) 22; Opera Bot. 131 (1997) 106. Distribution: Endemic to the Philippines. LUZON: Bataan. Native.
4. Coelogyne alvinlokii P.O'Byrne & J.J.Verm., Orchid Rev. 114 (2006) 170; Cootes, Philippine Native Orchid Species (2011) 86; Type: SBGO 5504 (SING, holo), Mindanao. Distribution: Endemic to the Philippines. LEYTE (photos), MINDANAO: Bukidnon (photos), SAMAR (photos). Notes: Epiphyte at medium elevation. 375m (photos). Native.
5. Coelogyne amesiana (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 101; ≡ Dendrochilum amesianum H.A.Pedersen, Nordic J. Bot. 15 (1996) 381; Pedersen et al., Opera Bot. 130 (1997) 43; Opera Bot. 131 (1997) 166; Type: University of San Carlos 784 (L, holo), Mindanao: Surigao del Sur, Aras-asan, logging area between 25-250m, 5-Dec-1975. Distribution: Endemic to the Philippines. MINDANAO: Surigao del Sur. Notes: Fl. May. 25-250m. Native.
6. Coelogyne anfracta (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 101; ≡ Dendrochilum anfractum (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 118; Pedersen et al., Opera Bot. 130 (1997) 59; Opera Bot. 131 (1997) 41; ≡ Pseudacoridium anfractum (Ames) Szlach. & Marg., Polish Bot. J. 46 (2001) 114; ≡ Acoridium anfractum Ames, Proc. Biol. Soc. Washington 19 (1906) 148; Ames in Merrill, EPFP 1 (1924) 284; Type: Merrill 4482 (PNH, holo, lost; AMES, iso), Luzon: Mountain Province, Mt Data, 2150m, 20-Oct-1905. = Dendrochilum anfractum var. anfractoides (Ames) L.O.Williams, PJS 80 (1951) 330; Pedersen et al., Opera Bot. 130 (1997) 59-60; Opera Bot. 131 (1997) 41; ≡ Pseudacoridium anfractoides (Ames) Szlach. & Marg., Polish Bot. J. 46 (2001) 114; ≡ Acoridium anfractoides (Ames) Ames, Orchidaceae 7 (1922) 80; Ames in Merrill, EPFP 1 (1924) 284; ≡ Dendrochilum anfractoides Ames, Orchidaceae 3 (1908) 13; Type: FB 4311 Mearns (PNH, holo, lost), Luzon: Benguet. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao, Mountain Province, MINDORO. Notes: 1220-2165(-2450?)m. Native.
7. Coelogyne apoensis (T.Hashim.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 102; ≡ Dendrochilum apoense T.Hashim., J. Jap. Bot. 56 (1981) 335; Pedersen et al., Opera Bot. 130 (1997) 33; Opera Bot. 131 (1997) 125; Cootes, Philippine Native Orchid Species (2011) 126; Type: Hashimoto s.n. (TNS, holo), Mindanao: Davao, Mt Apo, near the Forestry Development (presumably Bureau of Forest Development) office. Distribution: Endemic to the Philippines. MINDANAO: Davao del Sur. Notes: Epiphytic. 1500-2500m. Native.
8. Coelogyne arachnites (Rchb.f.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 102; ≡ Dendrochilum arachnites Rchb.f., Gard. Chron., n.s. 17 (1882) 256; Ames in Merrill, EPFP 1 (1924) 292; Cootes, Orch. Philip. (2001) 96; Pedersen et al., Opera Bot. 130 (1997) 43; Opera Bot. 131 (1997) 149; Cootes, Philippine Native Orchid Species (2011) 126; ≡ Acoridium arachnites (Rchb.f.) Rolfe, Orchid Rev. 12 (1904) 219; Type: Low s.n. (W, Herb. Rchb.f. 49028 pro parte, holo), Philippines. Distribution: Endemic to the Philippines. LEYTE, LUZON: Benguet, Ifugao, Mountain Province, Nueva Ecija, Nueva Vizcaya, Pampanga, Quezon, Rizal, MINDANAO: Agusan del Norte, Bukidnon, Cotabato (photos), Davao, Davao Oriental, Davao del Sur, Misamis Occidental, Misamis Oriental (photos), Zamboanga, MINDORO. Notes: Epiphytic, mostly in mossy cloud forest, Fl. Jan-Jul, Sep-Dec. 500-2600m. Native.
9. Coelogyne aspera (L.O.Williams) M.W.Chase & Schuit., Phytotaxa 510 (2021) 102; ≡ Dendrochilum asperum L.O.Williams, PJS 80 (1952) 309; Pedersen et al., Opera Bot. 130 (1997) 17; Opera Bot. 131 (1997) 65; ≡ Acoridium exasperatum Ames, Schedul. Orchid. 6 (1923) 21; Ames in Merrill, EPFP 1 (1924) 285; Type: BS 42338 Ramos (AMES, holo; P, iso), Luzon: Rizal, Mt Lumutan, 1200m, Apr-1923. Distribution: Endemic to the Philippines. LUZON: Aurora, Laguna, Rizal. Notes: Mossy forests, Fl. Apr-May. 1200m. Native.
10. Coelogyne asperata Lindl., J. Hort. Soc. London 4 (1849) 221; Ames in Merrill, EPFP 1 (1924) 280; Quisumb., Philip. Orchid Rev. (1951) 9; S.E.C. Sierra et al., Blumea 45 (2000) 289; Cootes, Orch. Philip. (2001) 58; Cootes, Philippine Native Orchid Species (2011) 87. Distribution: Bismarck Arch, Borneo, Java, Malay Peninsula, Moluccas, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sulawesi, Sumatra. BASILAN, BILIRAN, LEYTE, MINDANAO: Agusan del Norte, Agusan del Sur, Bukidnon, Davao de Oro (photos), Davao del Norte, Davao del Sur, Misamis Oriental (photos), Surigao del Norte, Surigao del Sur, NEGROS, SAMAR. Notes: Epiphytic on trunks and big branches of trees, lithophytic or terrestrial. Lowland and montane forests, in partial shade to quite exposed, often along creeks, near sea level to 500m. Native.
11. Coelogyne augustii M.W.Chase & Schuit., Phytotaxa 510 (2021) 102; ≡ Dendrochilum loheri Ames, Orchidaceae 3 (1908) 12; Pedersen et al., Opera Bot. 130 (1997) 18; Opera Bot. 131 (1997) 61; ≡ Acoridium loheri (Ames) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 286; Type: Loher 461A (US, holo; AMES, P, iso), Luzon: Mountain Province, Mt Data. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province. Notes: Fl. Feb, May. 1600-2100m. Conservation status: Endangered (IUCN 3.1). Native.
12. Coelogyne auricularis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 103; ≡ Dendrochilum auriculare Ames, PJS 4c (1909) 595; Pedersen et al., Opera Bot. 130 (1997) 33; Opera Bot. 131 (1997) 121; Cootes, Orch. Philip. (2001) 96; Cootes, Philippine Native Orchid Species (2011) 127; ≡ Acoridium auriculare (Ames) Ames, Orchidaceae 7 (1922) 80; Ames in Merrill, EPFP 1 (1924) 284; Type: BS 5818 Ramos & Edaño (AMES, holo), Luzon: Benguet, Dec-1908. Distribution: Endemic to the Philippines. LUZON: Aurora, Benguet, Ifugao, Nueva Ecija (photos), Nueva Vizcaya, Quezon, Rizal. Notes: Epiphytic in the mossy forests, Fl. Sep-Oct, Dec-Feb. 1500-2500m. Native.
13. Coelogyne banksii (Cootes) M.W.Chase & Schuit., Phytotaxa 510 (2021) 103; ≡ Dendrochilum banksii Cootes, Austral. Orchid Rev. 74(4) (2009) 13; Cootes, Philippine Native Orchid Species (2011) 127. Distribution: Endemic to the Philippines. LUZON: Laguna. Notes: Epiphytic. 500m. Native.
14. Coelogyne benguetensis M.W.Chase & Schuit., Phytotaxa 510 (2021) 103; ≡ Dendrochilum graminifolium (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 114; Pedersen et al., Opera Bot. 130 (1997) 18; Opera Bot. 131 (1997) 73; Cootes, Philippine Native Orchid Species (2011) 132; ≡ Acoridium graminifolium Ames, Proc. Biol. Soc. Washington 19 (1906) 144; Ames in Merrill, EPFP 1 (1924) 285; Type: Merrill 4764 (PNH, holo, lost; AMES, K, iso), Luzon: Benguet, between Suyoc and Pauai, 2000m, Oct/Nov-1905. Distribution: Endemic to the Philippines. LUZON: Apayao, Batangas, Benguet, Ifugao, Kalinga, Mountain Province, Nueva Vizcaya. Notes: Forests (usually mossy), Fl. Mar, Oct-Jan. 700-2450m. Native.
15. Coelogyne bigibbosa (J.J.Sm.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 103. Distribution: Borneo, Malay Peninsula, Philippines. MINDORO, PALAWAN. Notes: 200-1885m. DAO category: Vulnerable. Native.
    • var. bigibbosa. = Dendrochilum kingii (Hook.f.) J.J.Sm., Recueil Trav. Bot. Néerl. 1 (1904) 76; Pedersen et al., Opera Bot. 130 (1997) 41; Opera Bot. 131 (1997) 142; Cootes, Philippine Native Orchid Species (2011) 132; ≡ Platyclinis kingii Hook.f., Fl. Brit. India 5 (1890) 708; Type: from Peninsular Malaysia, Perak. = Dendrochilum palawanense Ames, Orchidaceae 2 (1908) 103; Ames in Merrill, EPFP 1 (1924) 295; Type: BS 553 Foxworthy (AMES, holo; K, iso), Palawan: Palawan, Puerto Princesa, Mt Pulgar (Thumb Peak), in mossy scrub, 1250m, 2-Mar-1906. Distribution: Borneo, Malay Peninsula, Philippines. PALAWAN. Notes: Epiphytic in mossy scrub or terrestrial, Fl. Mar-May. 200-1885m. Native.
16. Coelogyne bilamellata Lindl., Fol. Orchid. 5 (1854) 14; Ames in Merrill, EPFP 1 (1924) 281; Cootes, Orch. Philip. (2001) 59; Cootes, Philippine Native Orchid Species (2011) 87. Distribution: Borneo, Philippines. LEYTE, LUZON: Aurora, Laguna, Nueva Vizcaya (photos), Pampanga, Quezon, MINDANAO: Agusan, Agusan del Norte, Bukidnon, Cotabato, South Cotabato, Surigao, Zamboanga. Notes: Epiphytic or lithophytic in forest, up to 1000m in Mindanao. Native.
17. Coelogyne binuangensis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 103; ≡ Dendrochilum binuangense Ames, Orchidaceae 6 (1920) 281; Pedersen et al., Opera Bot. 130 (1997) 17; Opera Bot. 131 (1997) 69; ≡ Acoridium binuangense (Ames) Ames, Orchidaceae 7 (1922) 80; Ames in Merrill, EPFP 1 (1924) 284; Type: BS 28620 Ramos & Edaño (AMES, holo; BM, K, NY, P, SING, US, W, iso), Luzon: Quezon, Mt Binuang, epiphytic, 500m, 27-May-1917. Distribution: Endemic to the Philippines. LUZON: Quezon. Notes: Known only from the type collection. 500m. Native.
18. Coelogyne bontocensis M.W.Chase & Schuit., Phytotaxa 510 (2021) 104; ≡ Dendrochilum vanoverberghii Ames, PJS 7c (1912) 27; Pedersen et al., Opera Bot. 130 (1997) 25; Opera Bot. 131 (1997) 102; Cootes, Orch. Philip. (2001) 109; Cootes, Philippine Native Orchid Species (2011) 143; ≡ Acoridium vanoverberghii (Ames) Ames, Orchidaceae 7 (1922) 82; Ames in Merrill, EPFP 1 (1924) 290; Type: Vanoverbergh 1046 (AMES, lecto; A, PNH lost, iso), Luzon: Mountain Province, Nov/Dec-1910. Distribution: Endemic to the Philippines. LUZON: Ifugao, Mountain Province, Nueva Vizcaya. Notes: Epiphytic in mossy forests, Fl. Jan, Feb, Nov/Dec. 2000m. Native.
19. Coelogyne bracteosa (Rchb.f.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 104; ≡ Dendrochilum longifolium Rchb.f., Bonplandia 4 (1856) 329; Pedersen et al., Opera Bot. 130 (1997) 51-52; Opera Bot. 131 (1997) 155; Cootes, Orch. Philip. (2001) 102; Cootes, Philippine Native Orchid Species (2011) 134; ≡ Acoridium longifolium (Rchb.f.) Rolfe, Orchid Rev. 12 (1904) 220. = Dendrochilum clemensiae Ames, Orchidaceae 2 (1908) 109; Ames in Merrill, EPFP 1 (1924) 292; Type: M.S. Clemens 642 (PNH, holo, lost; photo of the holotype, together with syntype, M.S. Clemens s.n., in AMES), Mindanao: Lanao del Sur, Camp Keithley, along Lake Lanao, Jul-1906. Distribution: Bismarck Arch, Borneo, Java, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, New Guinea, Philippines, Sulawesi, Sumatra, Thailand. ?LUZON: ?Quezon, MINDANAO: Agusan del Norte, Lanao del Sur, PALAWAN. Notes: Epiphytic or lithophytic, Fl. May, Jul, Sep-Oct. 600-2200m. Native.
20. Coelogyne candoonensis Ames, Schedul. Orchid. 6 (1923) 18; Ames in Merrill, EPFP 1 (1924) 281; Cootes, Philippine Native Orchid Species (2011) 87. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Cotabato (photos), Davao Oriental (photos), Misamis Oriental. Notes: Epiphyte in forest. 400-600m (photos) to 1500(-?)m. Native.
21. Coelogyne charisae (Cabactulan, Cootes, M.Leon & R.B.Pimentel) M.W.Chase & Schuit., Phytotaxa 510 (2021) 105; ≡ Dendrochilum charisae Cabactulan, Cootes, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 11; Type: M.D. De Leon MDL1803011 (CAHUP073551, holo), Mindanao: Bukidnon, c. 1400m, 2-Mar-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1400m. Native.
22. Coelogyne chloroptera Rchb.f., Gard. Chron., n.s. 19 (1883) 466; Ames in Merrill, EPFP 1 (1924) 281; Cootes, Orch. Philip. (2001) 59; Cootes, Philippine Native Orchid Species (2011) 88. Distribution: Endemic to the Philippines. LUZON: Apayao, Bataan, Benguet, Cagayan, Kalinga, Mountain Province, Nueva Ecija, Nueva Vizcaya, Pampanga, Pangasinan, Quezon, MINDANAO: Bukidnon (photos), Cotabato (photos), Davao Oriental (photos), MINDORO, ?NEGROS, PANAY (photos). Notes: According to Cootes, a specimen from Negros Oriental (Cuernos Mts) may a misidentified Coelogyne confusa Ames. Epiphytic or epilithic, 1000-1530m. Fairly common in Luzon. Native.
23. Coelogyne cinnabarina (Pfitzer) M.W.Chase & Schuit., Phytotaxa 510 (2021) 105; ≡ Dendrochilum cinnabarinum Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 104; Pedersen et al., Opera Bot. 130 (1997) 22; Opera Bot. 131 (1997) 94; Cootes, Philippine Native Orchid Species (2011) 127; ≡ Acoridium cinnabarinum (Pfitzer) Ames, Orchidaceae 7 (1922) 80; Ames in Merrill, EPFP 1 (1924) 285; Type: Loher 461 (K, holo; P, US, iso), Luzon: Mountain Province, Mt Data. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao, Mountain Province, Nueva Vizcaya, MINDANAO: Davao Oriental (photos). Notes: Epiphytic. 1600-2930m. Native.
    • var. cinnabarina. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province. Notes: Epiphytic in mossy forest, Fl. Oct. 1980m. Native.
    • var. sanguineum (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 105; ≡ Dendrochilum var. sanguineum (Ames) H.A.Pedersen, Opera Bot. 130 (1997) 22; Opera Bot. 131 (1997) 95; ≡ Dendrochilum sanguineum (Ames) L.O.Williams, PJS 80 (1952) 323; ≡ Acoridium sanguineum Ames, Blumea Suppl. 1 (1937) 72; Type: Boettcher s.n. (AMES, holo; BM, K, L, NY, P, SING, US, W, iso), Luzon: Benguet, Mt Pulag, Jun-1918. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao, Mountain Province, Nueva Vizcaya. Notes: Epiphytic in the mossy forest, also bordering open grassland. Fl. Jan-Mar, May-Jul. 2300-2930m. Native.
24. Coelogyne clowesiae (Cootes & G.Tiong) M.W.Chase & Schuit., Phytotaxa 510 (2021) 106; ≡ Dendrochilum clowesiae Cootes & G.Tiong, OrchideenJ. 2014 (2014) 122; Type: V. Clowes s.n. (NSW821681, holo), cult. in Australia from Luzon: Aurora. Distribution: Endemic to the Philippines. LUZON: Aurora. Notes: Epiphyte. 1000m. Native.
25. Coelogyne cobbiana (Rchb.f.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 106; ≡ Dendrochilum cobbianum Rchb.f., Gard. Chron., n.s. 14 (1880) 748; Ames in Merrill, EPFP 1 (1924) 292; Pedersen et al., Opera Bot. 130 (1997) 44; Opera Bot. 131 (1997) 169; Cootes, Orch. Philip. (2001) 96; Cootes, Philippine Native Orchid Species (2011) 127; ≡ Acoridium cobbianum (Rchb.f.) Rolfe, Orchid Rev. 12 (1904) 220; Type: Boxall/cult. Cobb s.n. (W-Herb. Rchb.f. 29679), Philippines. Distribution: Endemic to the Philippines. CATANDUANES, CEBU (photos), LEYTE, LUZON: Benguet, Mountain Province, Nueva Ecija, Nueva Vizcaya, Rizal, MINDANAO: Agusan del Norte, Davao, Davao Oriental (photos), Davao de Oro (photos), MINILOC, NEGROS (photos). Notes: One of the most commonly cultivated species of the genus. Exposed sites, epiphytic or lithophytic (sometimes possibly terrestrial), Fl. Apr-Jun, ?Jul, Aug-Dec. 1200-2500m. Native.
26. Coelogyne coccinea (H.A.Pedersen & Gravend.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 106; ≡ Dendrochilum coccineum H.A.Pedersen & Gravend., Blumea 49 (2004) 356; Cootes, Philippine Native Orchid Species (2011) 128; Enriquez et al., Fl. Plants Mt. Apo Natural Park (2024) 99. Distribution: Endemic to the Philippines. DINAGAT (photos), MINDANAO: Bukidnon (photos), Davao del Sur (photos). Notes: Epiphytic. 1000-1800m. Native.
27. Coelogyne confusa Ames, Orchidaceae 5 (1915) 49; Ames in Merrill, EPFP 1 (1924) 281; Cootes, Philippine Native Orchid Species (2011) 88; Type: BS 14430 Ramos, Camiguin. Distribution: Endemic to the Philippines. CAMIGUIN, PANAY. Notes: Epiphytic or epilithic at low elevation. DAO category: Endangered. Native.
28. Coelogyne convallariiformis (Schauer) M.W.Chase & Schuit., Phytotaxa 510 (2021) 106; ≡ Dendrochilum convallariiforme Schauer, Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 19(Suppl. 1) (1843) 429; Ames in Merrill, EPFP 1 (1924) 293; Pedersen et al., Opera Bot. 130 (1997) 33-34; Opera Bot. 131 (1997) 130; Cootes, Orch. Philip. (2001) 97; Cootes, Philippine Native Orchid Species (2011) 128; Type: Meyen s.n. (W, holo?; Herb. Lindl. at K, iso; drawing and note in Herb. Rchb.f. 49007, pro parte at W), Philippines, 1831. Distribution: Endemic to the Philippines. LEYTE, LUZON: Aurora, Camarines Sur, Laguna, Nueva Vizcaya, Quezon, Rizal, Sorsogon, MASBATE, MINDANAO: Bukidnon, Davao, Davao del Sur, MINDORO, SAMAR. Notes: Epiphytic. 300-1915m. Native.
    • var. convallariiformis. = Dendrochilum bicallosum Ames, Orchidaceae 2 (1908) 117; Ames, PJS 2c (1907) 317; Ames in Merrill, EPFP 1 (1924) 292; Type: Merrill 5812 (AMES, holo; K, US, iso), Mindoro: Mindoro Oriental, Mt Halcon, epiphyte on ridge forest, 2500ft (762m), 22-Nov-1906. = Dendrochilum bistortum (H.Wendl. & Kraenzl.) J.J.Sm., Recueil Trav. Bot. Néerl. 1 (1904) 64; ≡ Acoridium bistortum (H.Wendl. & Kraenzl.) Rolfe, Orchid Rev. 12 (1904) 220; ≡ Platyclinis bistorta H.Wendl. & Kraenzl., Xenia Orchid. 3 (1900) 169; Type: Sander s.n. (HBG, holo; K, iso), Masbate (‘Maschate’ in original publ.). Distribution: Endemic to the Philippines. LUZON: Aurora, Camarines Sur, Laguna, Quezon, Rizal, Sorsogon, MASBATE, MINDANAO: Bukidnon, Davao del Sur, MINDORO. Notes: Epiphytic in (sometimes mossy) forest. Fl. Oct-Dec. 300-1915m. Native.
    • var. minor (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 106; ≡ Dendrochilum var. minor (Ames) H.A.Pedersen, Opera Bot. 130 (1997) 34; Opera Bot. 131 (1997) 132; ≡ Dendrochilum bicallosum var. minor Ames, Orchidaceae 2 (1908) 118; Ames, PJS 2c (1907) 317, nom. inval., nom. nud.; Type: Merrill 5663 (PNH, holo, lost), Mindoro: Mindoro Oriental, Mt Halcon. = Acoridium confusum (Ames) Ames, Orchidaceae 7 (1922) 80; Ames in Merrill, EPFP 1 (1924) 285; ≡ Dendrochilum confusum Ames, PJS 6c (1911) 41; Type: BS 5640 Curran (AMES, holo; K, iso), Luzon: Laguna, Mt Makiling, Nov-1909. Distribution: Endemic to the Philippines. LEYTE, LUZON: Laguna, Sorsogon, MINDORO. Notes: Epiphytic in forests. Fl. Feb, Nov. 700-830m. Native.
29. Coelogyne cootesii (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 107; ≡ Dendrochilum cootesii H.A.Pedersen, Lindleyana 12 (1997) 205; Cootes, Orch. Philip. (2001) 98; Cootes, Philippine Native Orchid Species (2011) 128; ≡ Pseudacoridium cootesii (H.A.Pedersen) Szlach. & Marg., Polish Bot. J. 46 (2001) 114. Distribution: Endemic to the Philippines. LUZON: Ifugao, Nueva Ecija, Nueva Vizcaya. Notes: Cloud forest edges on mossy tree trunks and branches, epiphytic. 1200-2000m. Native.
30. Coelogyne copelandii (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 107; ≡ Dendrochilum copelandii (Ames) Ames, Orchidaceae 2 (1908) 115; Ames in Merrill, EPFP 1 (1924) 293; Pedersen et al., Opera Bot. 130 (1997) 34; Opera Bot. 131 (1997) 129; Cootes, Philippine Native Orchid Species (2011) 129; ≡ Acoridium copelandii Ames, Proc. Biol. Soc. Washington 19 (1906) 153; Type: Copeland s.n. (PNH, holo, lost; AMES, iso), Mindanao: Zamboanga, 1905. Distribution: Endemic to the Philippines. MINDANAO: Zamboanga. Notes: Epiphytic. 800m. Native.
31. Coelogyne cordata (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 107; ≡ Dendrochilum cordatum H.A.Pedersen, Lindleyana 16 (2001) 231; Cootes, Philippine Native Orchid Species (2011) 129. Distribution: Endemic to the Philippines. LUZON. Notes: Epiphytic. 2000m. Native.
32. Coelogyne crocea (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 107; ≡ Dendrochilum croceum H.A.Pedersen, Orchid Rev. 113 (2005) 286; Cootes, Philippine Native Orchid Species (2011) 129. Distribution: Endemic to the Philippines. LUZON: Laguna, Quezon (photos). Notes: Epiphytic. 750m. Native.
33. Coelogyne curranii (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 108; ≡ Dendrochilum curranii Ames, Orchidaceae 3 (1908) 15; Pedersen et al., Opera Bot. 130 (1997) 22; Opera Bot. 131 (1997) 98; Cootes, Orch. Philip. (2001) 98; Cootes, Philippine Native Orchid Species (2011) 130; Enriquez et al., Fl. Plants Mt. Apo Natural Park (2024) 101; ≡ Acoridium curranii (Ames) Ames, Orchidaceae 7 (1922) 80; Ames in Merrill, EPFP 1 (1924) 285; Type: BS 3077 Curran (AMES, lecto; AMES, K, iso), Luzon: Laguna, Mt Makiling, Jan-1908. Distribution: Endemic to the Philippines. LEYTE, LUZON: Albay, Benguet, Laguna, Nueva Vizcaya (photos), Pampanga, Quezon, Rizal, MINDANAO: Davao Oriental, ?Davao del Sur, Surigao del Norte, MINDORO. Notes: Epiphytic. 600-2000m. Native.
34. Coelogyne cymbiformis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 108; ≡ Dendrochilum cymbiforme Ames, PJS 6c (1911) 41; Ames in Merrill, EPFP 1 (1924) 293; Pedersen et al., Opera Bot. 130 (1997) 45; Opera Bot. 131 (1997) 177; Cootes, Orch. Philip. (2001) 99; Cootes, Philippine Native Orchid Species (2011) 130; Type: BS 7133 Ramos (AMES, lecto; K, US, iso), Luzon: Abra, Mt Bawagan. Distribution: Endemic to the Philippines. LUZON: Abra, Apayao, Ifugao, Kalinga. Notes: Mossy forests, pendant epiphyte from the lower branches and overhanging trunks, Fl. Jan and/or Feb, Mar-Apr. 1665-2010m. Native.
35. Coelogyne datensis M.W.Chase & Schuit., Phytotaxa 510 (2021) 108; ≡ Dendrochilum merrillii (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 119; Pedersen et al., Opera Bot. 130 (1997) 37; Opera Bot. 131 (1997) 146; ≡ Acoridium merrillii Ames, Proc. Biol. Soc. Washington 19 (1906) 151; Ames in Merrill, EPFP 1 (1924) 287; Type: Merrill 4585 (PNH, holo, lost; AMES, K, iso), Luzon: Mountain Province, Mt Data, Nov-1905. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province. Notes: Epiphytic, Fl. Jun, Aug-Oct. 2100-2545m. Native.
36. Coelogyne derekcabactulanii (M.Leon, Cootes & R.B.Pimentel) M.W.Chase & Schuit., Phytotaxa 510 (2021) 108; ≡ Dendrochilum derekcabactulanii M.Leon, Cootes & R.B.Pimentel, OrchideenJ. 2018 (2018) 12; Type: M.D. De Leon MDL1803012 (CAHUP073552, holo), Mindanao: Bukidnon, c. 1400m, 2-Mar-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: P.B. Pelser (7-Oct-20): Probably conspecific with Coelogyne tortilis (T. Sanders, pers. comm. 5-Oct-20). 1400m. Native.
37. Coelogyne diabloviridis (Cootes & R.Boos) M.W.Chase & Schuit., Phytotaxa 510 (2021) 109; ≡ Dendrochilum diabloviride Cootes & R.Boos, OrchideenJ. 2013 (2013) 3; Type: Boos 02/2011 (PUH, holo), Samar. Distribution: Endemic to the Philippines. SAMAR. Notes: 400m. Native.
38. Coelogyne ecallosa (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 109; ≡ Dendrochilum ecallosum Ames, Orchidaceae 6 (1920) 282; Ames in Merrill, EPFP 1 (1924) 293; Pedersen et al., Opera Bot. 130 (1997) 35; Opera Bot. 131 (1997) 134; Type: BS 30240 Ramos (AMES, holo; K, iso), Catanduanes: Mt Mariguidon, epiphytic in forest, 140m, 14-Nov to 11-Dec-1917. Distribution: Endemic to the Philippines. CATANDUANES. Notes: An unlocalized specimen, BS 78885 Quisumbing, recorded in flower in Jan. Forest epiphyte, Fl. Nov-Dec. 140m. Native.
39. Coelogyne ecucullata (Naive, R.Boos, M.Leon & Cootes) M.W.Chase & Schuit., Phytotaxa 510 (2021) 109; ≡ Dendrochilum ecucullatum Naive, R.Boos, M.Leon & Cootes, OrchideenJ. 2017 (2017) 57; Type: M.D. De Leon 004/2016 (CMUH, holo), Mindanao: Bukidnon, Kalatungan Mountain Range, 21-May-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao del Sur (photos), Misamis Oriental. Notes: 1600m. Native.
40. Coelogyne edanoi (Quisumb.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 109; ≡ Dendrochilum edanoi Quisumb., PJS 66 (1938) 141; Pedersen et al., Opera Bot. 130 (1997) 46; Opera Bot. 131 (1997) 153; Type: BS 77914 Edaño (A, holo; K, iso), Palawan: Mt Gantung summit, 5500ft (1676m), 8-May-1929. Distribution: Endemic to the Philippines. PALAWAN. Notes: Known only from the type collection. 1676m. Native.
41. Coelogyne elmeri Ames, LPB 5 (1912) 1556; Ames in Merrill, EPFP 1 (1924) 281. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao, Davao del Sur. Notes: Up to 1300m. Native.
42. Coelogyne emmae M.W.Chase & Schuit., Phytotaxa 510 (2021) 110; ≡ Dendrochilum elmeri Ames, LPB 5 (1912) 1558; Pedersen et al., Opera Bot. 130 (1997) 37; Opera Bot. 131 (1997) 138; Cootes, Philippine Native Orchid Species (2011) 130; ≡ Acoridium elmeri (Ames) Ames, Orchidaceae 7 (1922) 80; Ames in Merrill, EPFP 1 (1924) 285; Type: Elmer 10635 (AMES, holo; AMES, NY, iso), Mindanao: Davao del Sur, Mt Apo, Todaya, 2300m, May-1909. Distribution: Endemic to the Philippines. MINDANAO: Davao del Sur. Notes: Epiphytic in the mosy forest. Fl. May-Sep. 2300-2465m. Native.
43. Coelogyne ewae (R.Boos, Cootes & W.Suarez) M.W.Chase & Schuit., Phytotaxa 510 (2021) 110; ≡ Dendrochilum ewae R.Boos, Cootes & W.Suarez, OrchideenJ. 2014 (2014) 124; Type: R. Boos s.n. (NSW821686, holo), cult., Samar, 26-Jun-2014. Distribution: Endemic to the Philippines. SAMAR. Notes: Epiphyte. 400m. Native.
44. Coelogyne exigua (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 110; ≡ Dendrochilum exiguum (Ames) H.A.Pedersen, Opera Bot. 130 (1997) 60; Opera Bot. 131 (1997) 38; Cootes, Philippine Native Orchid Species (2011) 130; ≡ Pseudacoridium exiguum Ames, Amer. Orchid Soc. Bull. 9 (1940) 45; Type: PNH 5174 Alcasid & Edaño (PNH, holo, lost; AMES, iso), Luzon: Aurora, summit of Mt Camatis, c. 1750m, May-1939. Distribution: Endemic to the Philippines. LUZON: Aurora, Quezon. Notes: Epiphytic in mossy forests. 1500-1750m. Native.
45. Coelogyne exilis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 110; ≡ Dendrochilum exile Ames, Orchidaceae 2 (1908) 84; Ames, PJS 2c (1907) 317, nom. inval., nom. nud.; Pedersen et al., Opera Bot. 130 (1997) 23; Opera Bot. 131 (1997) 108; ≡ Acoridium exile (Ames) Ames, Orchidaceae 7 (1922) 80; Ames in Merrill, EPFP 1 (1924) 285; Type: Merrill 5721 (PNH, holo, lost; AMES, lecto; K, SING, US, isolecto), Mindoro: Mindoro Oriental, Mt Halcon, 2075m, 15-Nov-1906. Distribution: Endemic to the Philippines. MINDORO. Notes: Apparently only known from the type collection. Epiphytic, Fl. Nov. 2075m. Native.
46. Coelogyne eximia (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 110; ≡ Dendrochilum eximium (Ames) L.O.Williams, PJS 80 (1952) 327; Pedersen et al., Opera Bot. 130 (1997) 23; Opera Bot. 131 (1997) 100; ≡ Acoridium eximium Ames, Blumea Suppl. 1 (1937) 70; Type: Loher 13221 (AMES, holo; PNH, lost, iso), Luzon: Rizal, Montalban, Mt Paningtingan. Distribution: Endemic to the Philippines. LUZON: Rizal. Notes: Thus far known only from a few collections made by Loher at the general vicinity of the type locality. Fl. Sep. Native.
47. Coelogyne filiformis (Lindl.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 110; ≡ Dendrochilum filiforme Lindl., Edwards's Bot. Reg. 26(Misc.) (1840) 52; Ames in Merrill, EPFP 1 (1924) 293; Pedersen et al., Opera Bot. 130 (1997) 46; Opera Bot. 131 (1997) 170; Cootes, Orch. Philip. (2001) 99; Cootes, Philippine Native Orchid Species (2011) 131; Type: Cuming/cult. Bateman s.n. (K-Herb. Lindley, holo), Luzon. = Dendrochilum filiforme var. ramosii (Ames) L.O.Williams, Bot. Mus. Leafl. 5 (1937) 49; ≡ Dendrochilum ramosii Ames, PJS 8c (1913) 410; Ames in Merrill, EPFP 1 (1924) 295; Type: BS 15003 Ramos (AMES, holo; K, iso), Luzon: Laguna, San Antonio, Jun-1912. Distribution: Endemic to the Philippines. LEYTE (photos), LUZON: Benguet, Cagayan, Laguna, Mountain Province, Quezon, Rizal, NEGROS, SAMAR. Notes: One of the most commonly cultivated Dendrochilum species. Epiphytic in forests, Fl. Feb-Jul, Sep-Aug & Nov as well in cultivated plants. 665-2250m. Native.
48. Coelogyne fluctuata M.W.Chase & Schuit., Phytotaxa 510 (2021) 111; ≡ Dendrochilum undulatum H.A.Pedersen, Orchid Rev. 115 (2007) 225; Cootes, Philippine Native Orchid Species (2011) 142. Distribution: Endemic to the Philippines. LUZON: Aurora (photos), Nueva Ecija, ?Nueva Vizcaya. Notes: Raab Bustamante (pers. comm., 5-May-21): this species has been reported as growing in Nueva Vizcaya, but it is more likely that this is actually Nueva Ecija. Epiphytic. 1200m. Native.
49. Coelogyne foxworthyi (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 111; ≡ Dendrochilum foxworthyi Ames, Orchidaceae 3 (1908) 8; Pedersen et al., Opera Bot. 130 (1997) 18; Opera Bot. 131 (1997) 48; Cootes, Philippine Native Orchid Species (2011) 131; ≡ Acoridium foxworthyi (Ames) Ames, Orchidaceae 7 (1922) 80; Ames in Merrill, EPFP 1 (1924) 285; Type: BS 2542 Foxworthy (AMES, lecto; K, SING, US, iso), Luzon: Pampanga, Mt Pinatubo, 1800m, Apr-1907. Distribution: Endemic to the Philippines. LUZON: Aurora, Ifugao, Mountain Province, Pampanga, Quezon, Zambales. Notes: Mossy forests. 1800-2402m. Conservation status: Vulnerable (IUCN 3.1). Native.
50. Coelogyne geigeri (Cootes, Cabactulan, R.B.Pimentel & M.Leon) M.W.Chase & Schuit., Phytotaxa 510 (2021) 111; ≡ Dendrochilum geigeri Cootes, Cabactulan, R.B.Pimentel & M.Leon, OrchideenJ. 2017 (2017) 9; Type: M.D. De Leon 006/2017 (CMUH, holo), Mindanao: Bukidnon, 9-Dec-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 840m. Native.
51. Coelogyne glumacea (Lindl.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 112; ≡ Dendrochilum glumaceum Lindl., Edwards's Bot. Reg. 27(Misc.) (1841) 23; Ames in Merrill, EPFP 1 (1924) 293; Pedersen et al., Opera Bot. 130 (1997) 37; Opera Bot. 131 (1997) 150; Cootes, Orch. Philip. (2001) 100; Cootes, Philippine Native Orchid Species (2011) 131; ≡ Acoridium glumaceum (Lindl.) Rolfe, Orchid Rev. 12 (1904) 220; Type: Cuming, cult. Loddiges s.n. (K-Herb. Lindl., holo), Philippines. Distribution: Borneo, Philippines. BILIRAN, CATANDUANES, CEBU (photos), LEYTE, LUZON: Apayao (photos), Aurora, Bataan, Benguet, Cagayan, Camarines Norte, Camarines Sur, Ifugao, Ilocos Norte, Isabela, Laguna, Mountain Province, Nueva Vizcaya, Pampanga, Quezon, Rizal, MINDANAO: Agusan del Norte, Bukidnon, Cotabato, Davao, Davao Oriental, Davao del Sur, Lanao del Sur, Misamis Occidental, Misamis Oriental (photos), MINDORO, NEGROS, PANAY. Notes: Sometimes very common. Epiphytic (occasionally lithophytic) in (usually mossy) forest, Fl. Jan-Jun, Aug-Dec. (30-)500-2330m. Native.
52. Coelogyne graciliscapa (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 112; ≡ Dendrochilum graciliscapum (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 99; Pedersen et al., Opera Bot. 130 (1997) 36; Opera Bot. 131 (1997) 126; ≡ Acoridium graciliscapum Ames, Proc. Biol. Soc. Washington 19 (1906) 152; Type: Copeland 1019 (PNH, holo, lost; AMES, K, US, iso), Mindanao: Davao del Sur, trail to Mt Apo, 1650m. = Dendrochilum cucullatum (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 98; Ames in Merrill, EPFP 1 (1924) 293; ≡ Acoridium cucullatum Ames, Proc. Biol. Soc. Washington 19 (1906) 153; Type: Copeland s.n. (PNH, holo, lost; AMES, iso), Mindanao: Davao, Mt Apo, 1800m, on mossy trees, 11-Apr-1904. Distribution: Endemic to the Philippines. LUZON: Benguet, MINDANAO: Davao Oriental, Davao del Sur, Lanao del Sur, South Cotabato. Notes: Epiphytic in mossy forests, Fl. Mar-May, Jul, Sep-Nov. 1650-2465m. Native.
53. Coelogyne hampelii (Sulistyo, Gravend., R.Boos & Cootes) M.W.Chase & Schuit., Phytotaxa 510 (2021) 113; ≡ Dendrochilum hampelii Sulistyo, Gravend., R.Boos & Cootes, PhytoKeys 56 (2015) 91; Type: Perry 490 (L, holo). Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Misamis Oriental. Notes: 1200m. Native.
54. Coelogyne hastata (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 113; ≡ Dendrochilum hastatum Ames, Orchidaceae 2 (1908) 99; Ames, PJS 2c (1907) 317, nom. inval., nom. nud.; Pedersen et al., Opera Bot. 130 (1997) 36; Pedersen et al., Opera Bot. 131 (1997) 123; ≡ Acoridium hastatum (Ames) Ames, Orchidaceae 7 (1922) 80; Ames in Merrill, EPFP 1 (1924) 285; Type: Merrill 5759 (AMES, lecto; BO, K, SING, US, iso), Mindoro: Mindoro Oriental, Mt Halcon, 15-Nov-1906. Distribution: Endemic to the Philippines. LUZON: Mountain Province, MINDORO, PANAY. Notes: Terrestrial and epiphytic on bases of trees in ridge forests, Fl. Apr, Jun, Nov. 1440-2050m. Native.
55. Coelogyne hutchinsoniana (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 113; ≡ Dendrochilum hutchinsonianum Ames, Orchidaceae 2 (1908) 96; Ames, PJS 2c (1907) 317, nom. inval., nom. nud.; Pedersen et al., Opera Bot. 130 (1997) 23; Opera Bot. 131 (1997) 102; ≡ Acoridium hutchinsonianum (Ames) Ames, Orchidaceae 7 (1922) 81, as 'hutchinsonii'; Ames in Merrill, EPFP 1 (1924) 286; Type: Merrill 5813 (PNH, holo, lost; AMES, lecto; K, US, isolecto), Mindoro: Mindoro Oriental, Mt Halcon, 2660m, 20-Nov-1906. Distribution: Endemic to the Philippines. MINDORO. Notes: Known only from the type collection. Exposed ridge in dense mossy thickets, terrestrial as well as epiphytic, Fl. Nov. 2660m. Native.
56. Coelogyne ignisiflora (M.N.Tamayo & R.Bustam.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 113; ≡ Dendrochilum ignisiflorum M.N.Tamayo & R.Bustam., Phytotaxa 455 (2020) 241; Type: M.N. Tamayo 0196 (PNH, holo; NLUH, PUH, iso), Luzon: Benguet, Bokod, Mt Komkompol (UARBRR), 2300m, 8-Mar-2020. Distribution: Endemic to the Philippines. LUZON: Benguet. Notes: 2300m. Conservation status: Vulnerable (Tamayo et al. 2020). DAO category: Vulnerable. Native.
57. Coelogyne integerrima Ames, PJS 4c (1910) 665; Ames in Merrill, EPFP 1 (1924) 281; Cootes, Philippine Native Orchid Species (2011) 88. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao, Mountain Province, Quezon. Notes: Epiphyte, 1750-2450m. Native.
58. Coelogyne irigensis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 114; ≡ Dendrochilum irigense Ames, Orchidaceae 5 (1915) 58; Pedersen et al., Opera Bot. 130 (1997) 23; Opera Bot. 131 (1997) 106; Cootes, Philippine Native Orchid Species (2011) 132; ≡ Acoridium irigense (Ames) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 286; Type: F. Santos s.n. (AMES, lecto; BM, BO, K, GH, NY, P, SING, US, W, iso; drawing at GH), Luzon: Camarines Sur, Mt Iriga, Dec-1913. Distribution: Endemic to the Philippines. LUZON: Camarines Sur, Laguna, Rizal. Notes: Epiphytic, Fl. Nov-Dec. 500-1665m. Native.
59. Coelogyne javieriana (Magrath, Bulmer & I.Shafer) M.W.Chase & Schuit., Phytotaxa 510 (2021) 114; ≡ Dendrochilum javierianum Magrath, Bulmer & I.Shafer, Lindleyana 4 (1989) 135, as 'javieriense'; Pedersen et al., Opera Bot. 130 (1997) 18; Opera Bot. 131 (1997) 84; Cootes, Orch. Philip. (2001) 100; Orch. Philip. (2011) 132, as ‘javieri’; Cootes, Philippine Native Orchid Species (2011) 132, as 'javieri'; Type: Magrath 17372 (OCLA, holo; BRIT, MO, SEL, iso), Luzon: Nueva Vizcaya, Dalton Pass, 1830-2440ft, erroneously indicated in meters (558-744m). Distribution: Endemic to the Philippines. LUZON: Nueva Ecija, Nueva Vizcaya, MINDANAO: Bukidnon (photos). Notes: Epiphytic on moss-covered tree branches, Fl. Nov. 1200(-?)m. Native.
60. Coelogyne kennedyi (M.Leon, Cootes, Cabactulan & R.B.Pimentel) M.W.Chase & Schuit., Phytotaxa 510 (2021) 115; ≡ Dendrochilum kennedyi M.Leon, Cootes, Cabactulan & R.B.Pimentel, OrchideenJ. 2018 (2018) 13; Type: M.D. De Leon MDL1803015 (CAHUP073555, holo), Mindanao: Bukidnon, c. 1200m, 2-Mar-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Surigao del Norte. Notes: 1200m. Native.
61. Coelogyne kopfii (Lückel) M.W.Chase & Schuit., Phytotaxa 510 (2021) 115; ≡ Dendrochilum kopfii Lückel, Orchidee (Hamburg) 62 (2011) 26; Cootes, Philippine Native Orchid Species (2011) 133. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao Oriental (photos). Notes: Terrestrial and epiphytic. 900-1250m. DAO category: Endangered. Native.
62. Coelogyne lagarophylla M.W.Chase & Schuit., Phytotaxa 510 (2021) 116; ≡ Dendrochilum stenophyllum L.O.Williams, PJS 80 (1953) 300; Pedersen et al., Opera Bot. 130 (1997) 21; Opera Bot. 131 (1997) 77; Cootes, Orch. Philip. (2001) 107; Cootes, Philippine Native Orchid Species (2011) 140; ≡ Acoridium angustifolium Ames, Blumea Suppl. 1 (1937) 69; Type: Loher 14721 (AMES, holo; P, iso), Luzon: Rizal, Sep-1909. Distribution: Endemic to the Philippines. LUZON: Aurora, Batangas, Benguet, Quezon, Rizal. Notes: L.L.Co: The type locality is most likely to be located in the general vicinity of the Sierra Madre Range N and E of Montalban. Said region is the most important collection site of Loher during the late 1890s to early 1900s. Cootes (2001, 2011) also adds Aurora and Quezon provinces to the distributional range, and ‘epiphytic at elevations (of) about 1000m’, otherwise, nothing is known about the habitat and elevation range of this species. Fl. Sep. 1000m. Native.
63. Coelogyne latifolia (Lindl.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 116; ≡ Dendrochilum latifolium Lindl., Edwards's Bot. Reg. 29(Misc.) (1843) 56; Ames in Merrill, EPFP 1 (1924) 294; Pedersen et al., Opera Bot. 130 (1997) 50-51; Opera Bot. 131 (1997) 157; Cootes, Philippine Native Orchid Species (2011) 133; ≡ Acoridium latifolium (Lindl.) Rolfe, Orchid Rev. 12 (1904) 220; ≡ Platyclinis latifolia (Lindl.) Hemsl., Gard. Chron., n.s. 16 (1881) 656; Type: Collector unknown, cult. Loddiges s.n. (K-Herb. Lindl., holo), Philippines. Distribution: Endemic to the Philippines. CATANDUANES, LEYTE, LUZON: Aurora, Bataan, Cagayan, Camarines Norte (photos), Camarines Sur, Kalinga, Laguna, Nueva Ecija, Nueva Vizcaya, Pampanga, Quezon, Rizal, MINDANAO: Cotabato, Davao, Davao de Oro (photos), Davao del Sur, Lanao, South Cotabato, MINDORO, NEGROS, PANAY. Notes: Epiphytic. 300-1700m. Native.
    • var. latifolia. Distribution: Endemic to the Philippines. CATANDUANES, LUZON: Bataan, Camarines Sur, Pampanga, Quezon, MINDANAO: South Cotabato. Notes: Epiphytic, Fl. (?Jan-)Feb-Aug, a cultivated plant recorded to flower in Nov. 300-1665m. Native.
    • var. macrantha (Schltr.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 116; ≡ Dendrochilum var. macranthum (Schltr.) H.A.Pedersen, Opera Bot. 130 (1997) 51; Opera Bot. 131 (1997) 159; Cootes, Orch. Philip. (2001) 101; ≡ Dendrochilum macranthum Schltr., Repert. Spec. Nov. Regni Veg. 9 (1911) 163; Cootes, Philippine Native Orchid Species (2011) 134; ≡ Dendrochilum grandiflorum Schltr., Repert. Spec. Nov. Regni Veg. 8 (1910) 563, nom. illeg., non (Ridl.) J.J.Sm.; ≡ Dendrochilum serratum L.O.Williams, Bot. Mus. Leafl. 5 (1937) 51, nom. illeg.; Type: ?Micholitz, cult. Sander s.n. (B, holo, lost), Philippines. = Dendrochilum cagayanense Ames, PJS 6c (1911) 41; Ames in Merrill, EPFP 1 (1924) 292; Type: FB 16722 Curran (AMES, holo; US, iso), Luzon: Cagayan, Mar-1909. Distribution: Endemic to the Philippines. LEYTE, LUZON: Aurora, Cagayan, Kalinga, Kalinga-Apayao, Laguna, Nueva Ecija, Nueva Vizcaya, Quezon, Rizal, MINDORO, NEGROS, PANAY. Notes: Epiphytic in (often mossy) forest, Fl. Mar-Sep(-?Oct), a cultivated species recorded to flower in Nov. 370-1630m. Native.
64. Coelogyne lepantoensis M.W.Chase & Schuit., Phytotaxa 510 (2021) 116; ≡ Dendrochilum ocellatum (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 117; Pedersen et al., Opera Bot. 130 (1997) 19; Opera Bot. 131 (1997) 57; ≡ Acoridium ocellatum Ames, Proc. Biol. Soc. Washington 19 (1906) 151; Ames in Merrill, EPFP 1 (1924) 287; Type: Merrill 4481a (PNH, holo, lost; AMES, iso), Luzon: Mountain Province, Mt Data, 2150m, 29-Oct-1905. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province. Notes: Fl. Oct. 2150m. Native.
65. Coelogyne loheri Rolfe, Bull. Misc. Inform. Kew 1908 (1908) 414; Ames in Merrill, EPFP 1 (1924) 282; Cootes, Philippine Native Orchid Species (2011) 89. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province. Notes: Epiphyte or lithophyte, 1700m. Native.
66. Coelogyne longilabellata M.W.Chase & Schuit., Phytotaxa 510 (2021) 117; ≡ Dendrochilum longilabre (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 99; Ames in Merrill, EPFP 1 (1924) 294; ≡ Acoridium longilabre Ames, Proc. Biol. Soc. Washington 19 (1906) 152; Pedersen et al., Opera Bot. 130 (1997) 42; Opera Bot. 131 (1997) 139; Type: Copeland 1025 (PNH, holo; lost; AMES, K, iso), Mindanao: Davao del Sur, Mt Apo, solitary or clustered on mossy trees, 5600ft (1707m), 19-Apr-1904. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao, Davao Oriental (photos), Davao del Sur, Misamis Oriental (photos), Sarangani (photos). Notes: Epiphytic in mossy forest. Fl. Mar, Apr, ?May, Aug. 1000m (photos) to 1700-2300(-2500)m. Native.
67. Coelogyne longirachis Ames, Orchidaceae 7 (1922) 88; Ames in Merrill, EPFP 1 (1924) 282; Cootes, Philippine Native Orchid Species (2011) 89. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: Epiphyte along streams in forest, 1300m. Native.
68. Coelogyne louisiana (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 117; ≡ Dendrochilum louisianum H.A.Pedersen, Nordic J. Bot. 15 (1996) 384; Pedersen et al., Opera Bot. 130 (1997) 18; Opera Bot. 131 (1997) 78; Type: BS 78670 Edaño (AMES, holo; AMES, NY, iso), Luzon: Cagayan, Mt Balatongan summit, epiphytic, c. 800m, 11-Nov-1929. Distribution: Endemic to the Philippines. LUZON: Cagayan. Notes: Known from two collections from the type locality. Fl. Nov. 800m. Native.
69. Coelogyne lucbanensis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 117; ≡ Dendrochilum longibulbum Ames, PJS 7c (1912) 26; Pedersen et al., Opera Bot. 130 (1997) 23; Opera Bot. 131 (1997) 112; Cootes, Orch. Philip. (2001) 101; Cootes, Philippine Native Orchid Species (2011) 133; ≡ Acoridium longibulbum (Ames) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 286; Type: Vanoverbergh 782 (AMES, holo; NY, iso), Luzon: Mountain Province, 23-Aug-1910. = Acoridium lucbanense (Ames) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 286; ≡ Dendrochilum lucbanense Ames, LPB 5 (1912) 1559; Type: Elmer 7571 (AMES, holo; AMES, BM, C, HBG, K, L, NY 2 sheets, P, PNH, US, iso), Luzon: Quezon, Lucban, May-1907. Distribution: Endemic to the Philippines. LUZON: Albay, Benguet, Ifugao, Laguna, Mountain Province, Quezon, Rizal, Sorsogon, MINDANAO: Bukidnon, NEGROS, PALAWAN, PANAY. Notes: Epiphytic in (usually mossy) forest, Fl. Jan-Feb, May, ?Jul, Aug-Oct. 665-2600m. Native.
70. Coelogyne luzonensis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 117; ≡ Dendrochilum luzonense Ames, Orchidaceae 2 (1908) 121; Pedersen et al., Opera Bot. 130 (1997) 18; Opera Bot. 131 (1997) 81; Cootes, Philippine Native Orchid Species (2011) 134; ≡ Acoridium luzonense (Ames) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 286; Type: FB 5735 Klemme (AMES, holo; K, iso), Luzon: Kalinga, trail to Balbalasang, 1600m, 19-Nov-1906. Distribution: Endemic to the Philippines. LUZON: Apayao, Benguet, Ifugao, Ilocos Norte, Ilocos Sur, Kalinga, Mountain Province. Notes: Epiphytic, Mossy forests, Fl. Feb, Oct-Dec. 1600-2600(-2700?)m. Native.
71. Coelogyne macgregorii (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 118; ≡ Dendrochilum macgregorii Ames, PJS 6c (1911) 42; Pedersen et al., Opera Bot. 130 (1997) 18; Opera Bot. 131 (1997) 56; Cootes, Philippine Native Orchid Species (2011) 134; ≡ Acoridium macgregorii (Ames) Ames, Orchidaceae 7 (1922) 81, as 'mcgregorii'; Ames in Merrill, EPFP 1 (1924) 286; Type: BS 8849 McGregor (AMES, holo; BO, K, US, iso), Luzon: Benguet, Mt Pulog (Pulag), 4-Jul-1909. Distribution: Endemic to the Philippines. LUZON: Benguet. Notes: Only known from two collections at the type locality. High montane mossy oak forest, epiphytic, reportedly at c. 2900m (although alpine grasslands cover this mountain from c. 2650m upwards). Fl. Jul. ?2900m. Native.
72. Coelogyne magna (Rchb.f.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 118; ≡ Dendrochilum magnum Rchb.f., Ann. Bot. Syst. 6 (1861) 240; Ames in Merrill, EPFP 1 (1924) 294; Pedersen et al., Opera Bot. 130 (1997) 53; Opera Bot. 131 (1997) 160; ≡ Acoridium magnum (Rchb.f.) Rolfe, Orchid Rev. 12 (1904) 220; Type: Cuming s.n. (K-Herb. Lindl., holo; drawing in W-Herb. Rchb.f. 49016), Philippines. Distribution: Endemic to the Philippines. LUZON: Camarines Sur, MINDANAO: Davao, Davao del Sur, MINDORO, NEGROS, PANAY. Notes: Epiphytic (rarely terrestrial) in (often mossy) forest, Fl. Feb, Apr-Jul, ?Sep, Nov. (500-)665-1995m. Native.
73. Coelogyne maleolens (Kraenzl.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 118; ≡ Dendrochilum maleolens Kraenzl., Orchis 2 (1908) 63; Pedersen et al., Opera Bot. 130 (1997) 23; Opera Bot. 131 (1997) 116; ≡ Acoridium maleolens (Kraenzl.) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 286; Type: Loher s.n., Luzon: Rizal prov. Distribution: Endemic to the Philippines. LUZON: Rizal. Notes: Fl. Jan. Native.
74. Coelogyne malindangensis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 118; ≡ Dendrochilum malindangense Ames, Orchidaceae 2 (1908) 114; Ames in Merrill, EPFP 1 (1924) 295; Pedersen et al., Opera Bot. 130 (1997) 53; Opera Bot. 131 (1997) 174; Cootes, Philippine Native Orchid Species (2011) 135; Type: FB 4597 Mearns & Hutchinson (AMES, holo; K, NY, US, iso), Mindanao: Misamis Occidental, Mt Malindang, 1130m. Distribution: Endemic to the Philippines. MINDANAO: Misamis Occidental, Misamis Oriental (photos). Notes: Fl. May. Valmayor’s cited occurrence from ‘Zamboanga (Dapitan)’ probably refers unintendedly to the type collection from Mt Malindang (Pedersen 1997). Epiphytic. 1100(-?)m. Native.
75. Coelogyne marginata (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 119; ≡ Dendrochilum marginatum (Ames) L.O.Williams, PJS 80 (1952) 318; Pedersen et al., Opera Bot. 130 (1997) 18-19; Opera Bot. 131 (1997) 50; ≡ Acoridium marginatum Ames, Schedul. Orchid. 6 (1923) 23; Ames in Merrill, EPFP 1 (1924) 287; Type: M. Ramos s.n. (AMES, holo), Luzon: Rizal, Mt Irig (Irid), 1495m, on tree near summit, 19-Apr-1922. Distribution: Endemic to the Philippines. LUZON: Rizal. Notes: Known only from the type collection. Epiphyte on summit. 1495m. Native.
76. Coelogyne marknaivei (Cootes) M.W.Chase & Schuit., Phytotaxa 510 (2021) 119; ≡ Dendrochilum marknaivei Cootes, Die Orchidee 3 (2017) 124; Type: MAKN (M.A.K. Naive) 018/2016 (CMUH00010873, holo), Mindanao: Bukidnon, Kalatungan Mountain Range, Mt Wiji, epiphytic in open forest canopy locations, with humid environments, elevation 2681m, 15-Apr-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Misamis Occidental (photos). Notes: Fl. Apr-Aug. 2400-2700m. Native.
77. Coelogyne marmorata Rchb.f., Linnaea 41 (1877) 116; Ames in Merrill, EPFP 1 (1924) 282; Cootes, Orch. Philip. (2001) 60; Cootes, Philippine Native Orchid Species (2011) 89. Distribution: Endemic to the Philippines. CAMIGUIN, LUZON: Abra (photos), Benguet, Nueva Vizcaya (photos), Pangasinan, Quezon. Notes: Epiphytic, occasionally epilithic. 1000-1300(-?)m. Native.
78. Coelogyne mearnsii (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 119; ≡ Dendrochilum mearnsii Ames, Orchidaceae 2 (1908) 116; Ames in Merrill, EPFP 1 (1924) 295; Pedersen et al., Opera Bot. 130 (1997) 37; Opera Bot. 131 (1997) 128; Cootes, Philippine Native Orchid Species (2011) 135; Type: FB 4605 Mearns & Hutchinson (AMES, holo; K, iso), Mindanao: Misamis Occidental, Mt Malindang, 2425m, May-1906. Distribution: Endemic to the Philippines. CAMIGUIN, MINDANAO: Agusan del Norte, Bukidnon, Davao Oriental (photos), Misamis Occidental, NEGROS. Notes: Epiphytic in mossy forests, Fl. Mar-May, Jul. 1350-2500m to 2700m (photos). Native.
79. Coelogyne megacallosa (R.Boos, Naive, Cootes & M.Leon) M.W.Chase & Schuit., Phytotaxa 510 (2021) 119; ≡ Dendrochilum megacallosum R.Boos, Naive, Cootes & M.Leon, OrchideenJ. 2017 (2017) 59; Type: M.D. De Leon 008/2016 (CMUH, holo), Mindanao: Bukidnon, Kalatungan Mountain Range, 1200m, 21-May-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1200m. Native.
80. Coelogyne merrillii Ames, PJS 6c (1911) 40; Ames in Merrill, EPFP 1 (1924) 282; Cootes, Orch. Philip. (2001) 60; Cootes, Philippine Native Orchid Species (2011) 89; Type: Merrill 6620, Luzon: Benguet, Pauai, on boulders in the upper pine region, c. 1800m, May-1909. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province (photos), Rizal, NEGROS, PALAWAN. Notes: Usually epilithic, (300-)1800-2300m. Common in Benguet. Native.
81. Coelogyne microchila (Schltr.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 119; ≡ Dendrochilum microchilum (Schltr.) Ames, Orchidaceae 2 (1908) 87; Pedersen et al., Opera Bot. 130 (1997) 19; Opera Bot. 131 (1997) 66; Cootes, Orch. Philip. (2001) 102; Cootes, Philippine Native Orchid Species (2011) 135; ≡ Acoridium microchilum (Schltr.) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 287; ≡ Platyclinis microchila Schltr., Bull. Herb. Boissier, 2nd Sér. 6 (1906) 302; Type: Schlechter s.n., cult. (B, holo, lost, drawing at K), Philippines. = Dendrochilum tenue (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 116; ≡ Acoridium tenue Ames, Proc. Biol. Soc. Washington 19 (1906) 145; Ames in Merrill, EPFP 1 (1924) 290; Type: Copeland 1019a (PNH, holo, lost; AMES, K, iso; an unnumbered Copeland specimen, US00344424, dated Apr-1904 from Mt Apo is possibly an isotype), Mindanao: Davao del Sur, Mt Apo, epiphytic on mossy trees, 5400ft, 19-Apr-1904. Distribution: Endemic to the Philippines. CAMIGUIN, LEYTE, LUZON: Bataan, Benguet, Camarines Sur, Ifugao, Mountain Province, Rizal, MINDANAO: Agusan, Agusan del Norte, Bukidnon, Davao, Davao del Sur, Misamis Occidental, MINDORO, NEGROS, PANAY, SAMAR. Notes: According to Pedersen (1997), record from Taiwan by Ying is possibly due to confounding with Dendrochilum uncatum which is very well-known there. Usually in oak-dominated and ericaceous mossy forests, sometimes with dense Pandanus thickets, epiphytic. Fl. throughout the year (except in Aug?). 500-2830m. Native.
82. Coelogyne migueldavidii (Cootes & Cabactulan) M.W.Chase & Schuit., Phytotaxa 510 (2021) 119; ≡ Dendrochilum migueldavidii Cootes & Cabactulan, OrchideenJ. 2016 (2016) 171; Type: M.D. De Leon 027/2016 (CMUH00010844, holo), Mindanao: Bukidnon. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Misamis Oriental (photos), Sarangani (photos), South Cotabato (photos). Notes: 1400-1800m (photos). Native.
83. Coelogyne mindanaensis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 119; ≡ Dendrochilum mindanaense (Ames) L.O.Williams, PJS 80 (1952) 309; Pedersen et al., Opera Bot. 130 (1997) 19; Opera Bot. 131 (1997) 70; ≡ Acoridium mindanaense Ames, Schedul. Orchid. 6 (1923) 25; Ames in Merrill, EPFP 1 (1924) 287; Type: Elmer 14095 (AMES, holo; AMES, BM, BO, K, L, NY, US, iso), Mindanao: Agusan del Norte, Cabadbaran, Mt Urdaneta, Aug-1912. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte. Notes: Fl. Oct. Native.
84. Coelogyne mindorensis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 119; ≡ Dendrochilum mindorense Ames, Orchidaceae 2 (1908) 91; Ames, PJS 2c (1907) 317, nom. inval., nom. nud.; Pedersen et al., Opera Bot. 130 (1997) 23-24; Opera Bot. 131 (1997) 104; ≡ Acoridium mindorense (Ames) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 287; Type: Merrill 5795 (AMES, lecto; K, SING, US, iso), Mindoro: Mindoro Oriental, Mt Halcon, Nov-1906. Distribution: Endemic to the Philippines. MINDORO. Notes: Fl. Nov. 860-1995m. Native.
85. Coelogyne minutissima Kraenzl., Repert. Spec. Nov. Regni Veg. 17 (1921) 390; Ames in Merrill, EPFP 1 (1924) 282. Distribution: Endemic to the Philippines. ?LUZON. Notes: “Philippines, probably Luzon, Loher s.n., no specimen seen” Ames (1924). Native.
86. Coelogyne nivea (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 120; ≡ Dendrochilum niveum Ames, Orchidaceae 6 (1920) 284; Ames in Merrill, EPFP 1 (1924) 295; Pedersen et al., Opera Bot. 130 (1997) 54; Opera Bot. 131 (1997) 153; Cootes, Philippine Native Orchid Species (2011) 136; Type: Boettcher s.n., pro parte (AMES, holo; K, iso), Luzon: Kalinga, Balbalan, 1000m, 9-Mar-1918. Distribution: Endemic to the Philippines. LUZON: Kalinga, Kalinga-Apayao, Nueva Vizcaya, Rizal, MINDORO. Notes: Epiphytic, Fl. Mar. (a cultivated specimen in Dec). 1000m. Native.
87. Coelogyne oreophila (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 121; ≡ Dendrochilum oreophilum (Ames) L.O.Williams, PJS 80 (1952) 317; Pedersen et al., Opera Bot. 130 (1997) 24; Opera Bot. 131 (1997) 90; ≡ Acoridium oreophilum Ames, Blumea Suppl. 1 (1937) 71; Type: Loher 15042 (AMES, holo; AMES, PNH lost, iso), Luzon: Rizal prov. Distribution: Endemic to the Philippines. LUZON: Quezon (photos), Rizal. Native.
88. Coelogyne palawanensis Ames, Orchidaceae 5 (1915) 51; Ames in Merrill, EPFP 1 (1924) 282. Distribution: Endemic to the Philippines. PALAWAN. Notes: Type collection from Mt Capoas, 1000m. DAO category: Endangered. Native.
89. Coelogyne pallide-flavens (Blume) M.W.Chase & Schuit., Phytotaxa 510 (2021) 121; ≡ Dendrochilum pallide-flavens Blume, Bijdr. fl. Ned. Ind. (1825) 399; Pedersen et al., Opera Bot. 130 (1997) 28-29; Opera Bot. 131 (1997) 179; Cootes, Orch. Philip. (2001) 103; Cootes, Philippine Native Orchid Species (2011) 136; Type: from Java. Distribution: Borneo, Java, Lesser Sunda Isls, Malay Peninsula, Myanmar, Philippines, Sumatra, Thailand. BASILAN, JOLO, MINDANAO: Agusan del Norte, Surigao del Sur, Zamboanga del Norte, MINDORO, SAMAR, TAWI-TAWI. Native.
    • var. pallide-flavens. = Dendrochilum weberi Ames, PJS 8c (1913) 410; Ames in Merrill, EPFP 1 (1924) 296; Type: Weber 59 (AMES, holo; K, iso), Mindanao: Agusan del Norte, Cabadbaran River. Distribution: Borneo, Java, Lesser Sunda Isls, Malay Peninsula, Myanmar, Philippines, Singapore, Sumatra, Thailand. BASILAN, JOLO, MINDANAO: Agusan del Norte, Surigao del Sur, Zamboanga del Norte, SAMAR, TAWI-TAWI. Notes: Forests (including mangroves) up to elevation 1400m, epiphytic (occasionally lithophytic). Fl. Mar, Jul-Sep; in a cultivated specimen in May. Native.
90. Coelogyne pandurata Lindl., Gard. Chron., 1st Ser. (1853) 791; Ames in Merrill, EPFP 1 (1924) 283; Sierra et al., Blumea 45 (2000) 304; Cootes, Philippine Native Orchid Species (2011) 90. Distribution: Borneo, Malay Peninsula, Philippines, Sumatra. LUZON: Mountain Province, MINDANAO: Agusan, Cotabato, Surigao, SAMAR. Notes: Reported in the Philippines by Valmayor (1984). Epiphytic on trunks or big branches of trees, lithophytes or terrestrials. Lowland forest and hill forest, in partial shade to quite exposed. Among rocks, on granite or ultramafic substrate, sea level to 1000m. Native.
91. Coelogyne pangasinanensis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 122; ≡ Dendrochilum pangasinanense Ames, Schedul. Orchid. 6 (1923) 29; Ames in Merrill, EPFP 1 (1924) 295; Pedersen et al., Opera Bot. 130 (1997) 54-55; Opera Bot. 131 (1997) 168; Cootes, Philippine Native Orchid Species (2011) 136; Type: BS 8286 Ramos (AMES, holo), Luzon: Pangasinan, May-1909. Distribution: Endemic to the Philippines. CEBU, LUZON: Nueva Vizcaya, Pangasinan. Notes: Lithophytic, Fl. May. 900m. Native.
92. Coelogyne parvipapillata (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 122; ≡ Dendrochilum parvipapillatum H.A.Pedersen, Nordic J. Bot. 15 (1996) 386; Pedersen et al., Opera Bot. 130 (1997) 55; Opera Bot. 131 (1997) 166; Type: BS 32401 R.C. McGregor (AMES, holo), Panay: Antique, mossy forest, 1000m, May/Aug-1918. Distribution: Endemic to the Philippines. PANAY, SIBUYAN. Notes: Mossy forests, epiphytic, Fl. Apr-Jun. 665-1030m. Native.
93. Coelogyne parvula (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 122; ≡ Dendrochilum parvulum (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 116; Pedersen et al., Opera Bot. 130 (1997) 19; Opera Bot. 131 (1997) 63; Cootes, Orch. Philip. (2001) 104; Cootes, Philippine Native Orchid Species (2011) 137; ≡ Acoridium parvulum Ames, Proc. Biol. Soc. Washington 19 (1906) 146; Ames in Merrill, EPFP 1 (1924) 288; Type: Merrill 317b (PNH, holo, lost; AMES, US, iso), Luzon: Bataan, Mt Mariveles, Lamao River, Oct-1903. = Dendrochilum venustulum (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 116; ≡ Acoridium venustulum Ames, Proc. Biol. Soc. Washington 19 (1906) 147; Type: Elmer 6273 (PNH, holo, lost; AMES, K, US, iso), Luzon: Benguet, Mt Sto Tomas, May-1904. Distribution: Endemic to the Philippines. LUZON: Apayao, Aurora, Bataan, Benguet, Cagayan, Ifugao, Kalinga-Apayao, Laguna, Mountain Province, Nueva Vizcaya, Quezon, Rizal, MINDANAO: Lanao, Misamis. Notes: Epiphytic. (200-)1400-2500m. Native.
    • var. parvula. Distribution: Endemic to the Philippines. LUZON: Apayao, Aurora, Bataan, Benguet, Cagayan, Ifugao, Laguna, Mountain Province, Nueva Vizcaya, Quezon, Rizal. Notes: Usually in (mossy) forests, also on solitary trees in open areas, Fl. Mar-Jul, Oct-Jan. (200-)1400-2500m. Native.
    • var. strictiformis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 122; ≡ Dendrochilum var. strictiforme (Ames) H.A.Pedersen, Opera Bot. 130 (1997) 20; Opera Bot. 131 (1997) 64; ≡ Dendrochilum strictiforme (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 116; ≡ Acoridium strictiforme Ames, Proc. Biol. Soc. Washington 19 (1906) 147; Ames in Merrill, EPFP 1 (1924) 290; Type: Merrill 4854 (PNH, holo, lost; AMES, K, iso), Luzon: Benguet, between Suyoc and Pauai, 2000m, Oct/Nov-1905. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao. Notes: Mossy forests, Fl. Jun-Oct, ?Nov, Dec-Jan. (?1700-)1995-2150m. Native.
94. Coelogyne pauciflora M.W.Chase & Schuit., Phytotaxa 510 (2021) 122; ≡ Dendrochilum oliganthum (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 117; Pedersen et al., Opera Bot. 130 (1997) 19; Opera Bot. 131 (1997) 57; ≡ Acoridium oliganthum Ames, Proc. Biol. Soc. Washington 19 (1906) 150; Ames in Merrill, EPFP 1 (1924) 287; Type: Merrill 4481 (PNH, holo, lost; AMES, iso), Luzon: Mountain Province, Mt Data, 2150m, 29-Oct-1905. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province. Notes: Fl. Oct. 1890-2150m. Native.
95. Coelogyne perplexa (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 123; ≡ Dendrochilum perplexum (Ames) L.O.Williams, PJS 80 (1951) 299; Pedersen et al., Opera Bot. 130 (1997) 20; Opera Bot. 131 (1997) 75; ≡ Acoridium perplexum Ames, Orchidaceae 7 (1922) 142; Ames in Merrill, EPFP 1 (1924) 288; Type: Ramos & Edaño 55 (AMES, holo; AMES, BM, K, NY, P, SING, US, W, iso), Luzon: Benguet, Mt Sinapsapan, mossy forest, 1830m, 13-Oct-1921. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao, Mountain Province, MINDORO. Notes: 1830-2450m. Native.
    • var. perplexa. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao. Notes: Epiphyte in the mossy forest, (?1700-)1830(-2080?)m. Fl. Apr, (?Sep-)Oct. Native.
    • var. montanum (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 123; ≡ Dendrochilum var. montanum (Ames) H.A.Pedersen, Opera Bot. 130 (1997) 20; Opera Bot. 131 (1997) 75; ≡ Acoridium montanum Ames, Schedul. Orchid. 5 (1923) 1; Ames in Merrill, EPFP 1 (1924) 287; ≡ Acoridium linearifolium Ames, Orchidaceae 7 (1922) 141, nom. illeg., non (Hook.f.) Rolfe; Type: Ramos & Edaño 56 (AMES, holo; AMES, BM, K, NY, P, SING, US, W, iso), Luzon: Benguet, Mt Boadan, on trees in mossy forest, 1830m, 26-Sep-1921. Distribution: Endemic to the Philippines. LUZON: Benguet. Notes: Epiphyte in mossy forests, Fl. Sep. 1830-2450m. Native.
96. Coelogyne perrineae (Cabactulan, Cootes, M.Leon, R.B.Pimentel & Binayao) M.W.Chase & Schuit., Phytotaxa 510 (2021) 123; ≡ Dendrochilum perrineae Cabactulan, Cootes, M.Leon, R.B.Pimentel & Binayao, OrchideenJ. 2018 (2018) 14; Type: M.D. De Leon MDL1803014 (CAHUP073554, holo), Mindanao: Bukidnon, c. 1500m, 2-Mar-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1500m. Native.
97. Coelogyne perrinei (Cabactulan, Cootes, M.Leon, R.B.Pimentel & Binayao) M.W.Chase & Schuit., Phytotaxa 510 (2021) 123; ≡ Dendrochilum perrinei Cabactulan, Cootes, M.Leon, R.B.Pimentel & Binayao, OrchideenJ. 2018 (2018) 15; Type: M.D. De Leon MDL1803013 (CAHUP073553, holo), Mindanao: Bukidnon, c. 1300m, 2-Mar-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1300m. Native.
98. Coelogyne philippinensis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 123; ≡ Dendrochilum philippinense (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 118; Pedersen et al., Opera Bot. 130 (1997) 20; Opera Bot. 131 (1997) 53; Cootes, Philippine Native Orchid Species (2011) 137; ≡ Acoridium philippinense Ames, Proc. Biol. Soc. Washington 19 (1906) 149; Ames in Merrill, EPFP 1 (1924) 288; Type: Merrill 4757 (PNH, holo, lost; AMES, K, NY, US, iso), Luzon: Benguet, between Suyoc and Pauai, 2000m, 7-Nov-1905. Distribution: Endemic to the Philippines. LUZON: Apayao, Aurora (photos), Benguet, Ifugao, Ilocos Norte, Kalinga, Mountain Province, Nueva Vizcaya. Notes: Epiphytic. 1600-2540m. Native.
    • var. philippinensis. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao, Ilocos Norte, Kalinga, Mountain Province. Notes: Mossy forests, epiphytic, Fl. Sep-Feb. 1600-2540m. Native.
    • var. purpurea (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 123; ≡ Dendrochilum var. purpureum (Ames) H.A.Pedersen, Opera Bot. 130 (1997) 20; Opera Bot. 131 (1997) 53; ≡ Acoridium purpureum (Ames) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 288; ≡ Dendrochilum purpureum Ames, Orchidaceae 6 (1920) 286; Type: Boettcher s.n. (AMES, holo; BM, BO, K, NY, P, SING, US, W, iso), Luzon: Apayao, Mt Pasoan, 2000m, Jan-1918. Distribution: Endemic to the Philippines. LUZON: Apayao. Notes: 2000m. Native.
99. Coelogyne plocoglottoides (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 123; ≡ Dendrochilum plocoglottoides H.A.Pedersen, Nordic J. Bot. 15 (1996) 387; Pedersen et al., Opera Bot. 130 (1997) 59; Opera Bot. 131 (1997) 141; Type: K. Iwatsuki, G. Murata & H.G. Gutierrez P-874 (L, holo; KYO, iso), Luzon: Ilocos Norte, Mt Burnay, in mossy forest, 1800-2000m, 4-Dec-1975. Distribution: Endemic to the Philippines. LUZON: Ilocos Norte. Notes: Known only from the type collection. Fl. Dec. 1800-2000m. Native.
100. Coelogyne prasina Ridl., J. Linn. Soc., Bot. 32 (1896) 326. Distribution: Malaysia, Philippines. MINDANAO: Bukidnon (photos), Misamis Occidental (photos). Native.
101. Coelogyne prodigiosa (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 123; ≡ Dendrochilum prodigiosum Ames, Orchidaceae 7 (1922) 98; Ames in Merrill, EPFP 1 (1924) 295; Pedersen et al., Opera Bot. 130 (1997) 38; Opera Bot. 131 (1997) 136; Type: BS 38521 Ramos & Edaño (AMES, holo), Mindanao: Bukidnon, Mt Lipa, epiphytic in mossy forest, 6500ft (1981m), 13-Jul-1920. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: Apparently known only from the type collection. Epiphytic in mossy forest, collected in flower in Jul. 1981m. Native.
102. Coelogyne propinqua (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 123; ≡ Dendrochilum propinquum Ames, Orchidaceae 6 (1920) 285; Ames in Merrill, EPFP 1 (1924) 295; Pedersen et al., Opera Bot. 130 (1997) 38; Opera Bot. 131 (1997) 133; Cootes, Philippine Native Orchid Species (2011) 137; Type: Wenzel 805 (AMES, holo; K, iso), Leyte: Leyte, Masaganap near Jaro, epiphyte in forest, 700m, 27-Dec-1919. Distribution: Endemic to the Philippines. BILIRAN, LEYTE, LUZON: Albay, MINDANAO: Bukidnon (photos), Cotabato. Notes: Epiphytic in forests, Fl. Feb, Mar, Dec. 500-700(-900)m. Native.
103. Coelogyne pseudowenzelii (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 124; ≡ Dendrochilum pseudowenzelii H.A.Pedersen, Malesian Orchid J. 7 (2011) 118. Distribution: Endemic to the Philippines. Notes: P.B. Pelser (6-Aug-23): origin unknown. Native.
104. Coelogyne pulcherrima (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 124; ≡ Dendrochilum pulcherrimum (Ames) L.O.Williams, PJS 80 (1952) 311; Pedersen et al., Opera Bot. 130 (1997) 26; Opera Bot. 131 (1997) 44; Cootes, Orch. Philip. (2001) 104; Cootes, Philippine Native Orchid Species (2011) 138; ≡ Acoridium pulcherrimum Ames, Orchidaceae 7 (1922) 144; Ames in Merrill, EPFP 1 (1924) 288; Type: Ramos & Edaño 45 (AMES, holo; BM, K, NY, US, W, iso), Luzon: Benguet, Mt Natoo, 1750m, 30-Sep-1921. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao, Mountain Province, Nueva Ecija, Nueva Vizcaya. Notes: Mossy forest, epiphytic, often in well-lit sites, Fl. Feb, Sep. 1200-1830m. Native.
105. Coelogyne pulogensis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 124; ≡ Dendrochilum pulogense Ames, PJS 4c (1909) 594; Pedersen et al., Opera Bot. 130 (1997) 20; Opera Bot. 131 (1997) 59; Cootes, Philippine Native Orchid Species (2011) 138; ≡ Acoridium pulogense (Ames) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 288; Type: FB 16347 Curran, Merritt & Zschokke (AMES, holo), Luzon: Benguet, Mt Pulog (Pulag), Jan-1909. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province (photos). Notes: High-montane mossy forests, epiphytic, Fl. Jan, May-Jul, Oct. 1200m(-?). Native.
106. Coelogyne pumila (Rchb.f.) Rchb.f., Ann. Bot. Syst. 6 (1861) 236; ≡ Dendrochilum pumilum Rchb.f., Bonplandia 3 (1855) 222; Pedersen et al., Opera Bot. 130 (1997) 24; Opera Bot. 131 (1997) 109; ≡ Acoridium pumilum (Rchb.f.) Rolfe, Orchid Rev. 12 (1904) 220; Ames in Merrill, EPFP 1 (1924) 288; Type: Cuming 2102 (W-Rchb.f. 20440, holo; BM, K, W, iso; drawing in AMES), Luzon. Distribution: Endemic to the Philippines. CATANDUANES, LUZON: Albay, Apayao, Bataan, Benguet, Camarines Sur, Ifugao, Ilocos Norte, Kalinga-Apayao, Laguna, Mountain Province, Quezon, Rizal, MINDANAO: Davao Oriental, MINDORO. Notes: 700-2795m. Native.
     • var. pumila. Distribution: Endemic to the Philippines. LUZON: Bataan, Camarines Sur, Laguna, Quezon. Notes: Epiphytic in mossy forests and on exposed ridges, Fl. Nov-Feb. 1025-2250m. Native.
     • var. recurva (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 124; ≡ Dendrochilum var. recurvum (Ames) H.A.Pedersen, Opera Bot. 130 (1997) 24; Opera Bot. 131 (1997) 111; ≡ Dendrochilum recurvum (Ames) Ames, PJS 2c (1907) 318; ≡ Acoridium recurvum Ames, Proc. Biol. Soc. Washington 19 (1906) 148; Ames in Merrill, EPFP 1 (1924) 289; Type: Merrill 4584 (PNH, holo, lost; AMES, K, iso), Luzon: Mountain Province, Mt Data, Nov-1905. Distribution: Endemic to the Philippines. CATANDUANES, LUZON: Albay, Apayao, Benguet, Ifugao, Ilocos Norte, Kalinga-Apayao, Mountain Province, Rizal, MINDANAO: Davao Oriental, MINDORO. Notes: Epiphytic in mossy forests and exposed ridges, Fl. Sep-Nov, a cultivated plant in Feb. 700-2795m. Native.
107. Coelogyne quadriloba (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 124; ≡ Dendrochilum quadrilobum Ames, Orchidaceae 5 (1915) 61; Pedersen et al., Opera Bot. 130 (1997) 20-21; Opera Bot. 131 (1997) 68; Cootes, Orch. Philip. (2001) 105; ≡ Acoridium quadrilobum (Ames) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 288; Type: BS 19894 R.C. McGregor (AMES, lecto; BM, BO, K, L, NY, P, US, isolecto), Luzon: Ifugao, Mt Polis, Feb-1913. Distribution: Endemic to the Philippines. LUZON: Apayao, Benguet, Ifugao, Kalinga, Mountain Province, Nueva Vizcaya. Notes: Epiphtic in forests (usually mossy), Fl. Jan & Feb. 200-2000m. Native.
108. Coelogyne quinquecallosa (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 124; ≡ Dendrochilum quinquecallosum H.A.Pedersen, Orchid Rev. 115 (2007) 223; Cootes, Philippine Native Orchid Species (2011) 138. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya. Notes: Epiphytic. 1200m. Native.
109. Coelogyne quinquelamellata Ames, Orchidaceae 6 (1920) 280; Ames in Merrill, EPFP 1 (1924) 282; Cootes, Orch. Philip. (2001) 61; Cootes, Philippine Native Orchid Species (2011) 90. Distribution: Endemic to the Philippines. MINDANAO: Surigao, Surigao del Norte. Notes: Epiphyte in lowland forest, up to 150m. Native.
110. Coelogyne quisumbingiana (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 125; ≡ Dendrochilum quisumbingianum H.A.Pedersen, Nordic J. Bot. 15 (1996) 389; Pedersen et al., Opera Bot. 130 (1997) 55; Opera Bot. 131 (1997) 178; Type: PNH 10887 Mendoza & Convocar (PNH, holo; AMES, iso), Mindanao: Agusan del Norte, Mt Hilong-hilong, summit. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte. Notes: Mossy forest, epiphytic, Fl. Mar. 1940m. Native.
111. Coelogyne ravanii (Cootes) M.W.Chase & Schuit., Phytotaxa 510 (2021) 125; ≡ Dendrochilum ravanii Cootes, OrchideenJ. 2010 (2010) 114; Cootes, Philippine Native Orchid Species (2011) 139. Distribution: Endemic to the Philippines. MINDORO. Notes: Epiphytic. 800m. Native.
112. Coelogyne remediosae Ames & Quisumb., PJS 49 (1932) 484; Cootes, Philippine Native Orchid Species (2011) 90. Distribution: Endemic to the Philippines. LUZON: Quezon. Notes: Epiphyte at mid to high elevation. Native.
113. Coelogyne reniformis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 125; ≡ Dendrochilum reniforme Ames, Orchidaceae 5 (1915) 63; Pedersen et al., Opera Bot. 130 (1997) 24; Opera Bot. 131 (1997) 91; ≡ Acoridium reniforme (Ames) Ames, Orchidaceae 7 (1922) 81; Ames in Merrill, EPFP 1 (1924) 289; Type: F. Calico s.n. (AMES, lecto; BM, K, NY, iso), Luzon: Laguna, San Antonio, Mar-1913. = Dendrochilum urciforme (Ames) L.O.Williams, PJS 80 (1952) 316; ≡ Acoridium urciforme Ames, Blumea Suppl. 1 (1937) 76; Type: Loher 13276 (AMES, holo; PNH, lost, iso), Luzon: Rizal, Mt Paminglingan, near Montalban, Apr-1912. Distribution: Endemic to the Philippines. LUZON: Ifugao, Laguna, Rizal. Notes: Fl. Feb, ?Mar, Apr, Oct. Native.
114. Coelogyne rhombophora Rchb.f., Linnaea 41 (1877) 116; ≡ Dendrochilum rhombophorum (Rchb.f.) Ames, Orchidaceae 3 (1908) 7; Pedersen et al., Opera Bot. 130 (1997) 21; Opera Bot. 131 (1997) 54; Cootes, Orch. Philip. (2001) 106; Cootes, Philippine Native Orchid Species (2011) 139; ≡ Acoridium rhombophorum (Rchb.f.) Ames, Schedul. Orchid. 5 (1923) 1; Ames in Merrill, EPFP 1 (1924) 289; Type: Wallis s.n. (W-Herb. Rchb.f. 20434, holo; NY, iso), Philippines: L.L.Co: From the NY sheet, one can see clearly that contrary to Pedersen’s (1997) citation, the Wallis sheet is an unnumbered collection and that ‘72001’ is most likely intended for '7200’ (7200ft). = Dendrochilum whitfordii (Rolfe) Pfitzer & Kraenzl., Pflanzenr. (Engler) IV (50 II B 7) (1907) 162; ≡ Acoridium whitfordii Rolfe, Orchidaceae 1 (1905) 73; Type: Whitford 139 (K, holo; AMES 2 sheets, NY, US, iso), Luzon: Bataan, Mt Mariveles, Lamao River, May-1904. Distribution: Endemic to the Philippines. LEYTE, LUZON: Albay, Aurora, Bataan, Laguna, Quezon, Rizal, MINDANAO: Surigao del Norte. Notes: Epiphytic in mossy forests, Fl. Mar-Jun. 500-2500(-2600)m. Native.
115. Coelogyne rochussenii de Vriese, Illustr. Orch. (1854) 22; Ames in Merrill, EPFP 1 (1924) 282; Cootes, Orch. Philip. (2001) 61; Cootes, Philippine Native Orchid Species (2011) 91. Distribution: Borneo, Malay Peninsula, Philippines, Sulawesi, Sumatra. JOLO, LEYTE, LUZON: Pampanga, MINDANAO: Bukidnon (photos), Davao (photos), Lanao del Sur, Misamis Occidental (photos), Misamis Oriental (photos). Notes: (?-)370-850m (photos). Native.
116. Coelogyne rotundilabia (L.O.Williams) M.W.Chase & Schuit., Phytotaxa 510 (2021) 125; ≡ Dendrochilum rotundilabium L.O.Williams, Bot. Mus. Leafl. 5 (1937) 50; Pedersen et al., Opera Bot. 130 (1997) 39; Opera Bot. 131 (1997) 124; Type: BS 75814 Edaño (AMES, holo), Luzon: Camarines Sur, Mt Madooy summit, 2000ft (610m), 9-Nov-1928. Distribution: Endemic to the Philippines. LUZON: Camarines Sur, MINDANAO: Agusan del Norte. Notes: Epiphytic in (sometimes mossy) forests, Fl. Apr, Nov. 600-1940m. Native.
117. Coelogyne rubrolanata Elis.George & J.-C.George, Orchid Rev. 116 (2008) 82; Cootes, Philippine Native Orchid Species (2011) 91; Type: E. & J.C.George s.n. (L, holo), cult. Distribution: Endemic to the Philippines. MINDANAO: Misamis Oriental. Notes: Epiphyte 800-1000m. Native.
118. Coelogyne saccolabium (Kraenzl.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 125; ≡ Dendrochilum saccolabium Kraenzl., Ann. Naturhist. Hofmus. Wien 30 (1916) 56; Pedersen et al., Opera Bot. 130 (1997) 21; Opera Bot. 131 (1997) 87; Cootes, Orch. Philip. (2001) 106; Cootes, Philippine Native Orchid Species (2011) 139; ≡ Acoridium saccolabium (Kraenzl.) Ames, Schedul. Orchid. 5 (1923) 2; Ames in Merrill, EPFP 1 (1924) 289; Type: Loher s.n., cult. Hort. Bot. Nymphenb., Philippines. Distribution: Endemic to the Philippines. LUZON: Laguna, Quezon, Rizal. Notes: Epiphytic in forests, Fl. Sep, Nov-Jan. 200-350m. Native.
119. Coelogyne salvaneraniana W.Suarez, Austral. Orchid Rev. 76 (2011) 55; Cootes, Philippine Native Orchid Species (2011) 91. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon (photos), Davao Oriental (photos), Surigao. Notes: Epiphyte. 700-1600m. Native.
120. Coelogyne septemnervia (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 126; ≡ Dendrochilum septemnervium H.A.Pedersen, Malesian Orchid J. 7 (2011) 119. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1768m (photos). Native.
121. Coelogyne serratoi (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 126; ≡ Dendrochilum serratoi (Ames) Cootes, Philippine Native Orchid Species (2011) 139; ≡ Acoridium serratoi Ames, Schedul. Orchid. 6 (1923) 27; Ames in Merrill, EPFP 1 (1924) 289; ≡ Dendrochilum curranii var. serratoi (Ames) L.O.Williams, PJS 80 (1951) 308; Pedersen et al., Opera Bot. 130 (1997) 23; Opera Bot. 131 (1997) 100; Type: J.S. Serrato s.n. (AMES, holo; AMES, NY, iso), Luzon: Laguna, Sep-1912. Distribution: Endemic to the Philippines. BILIRAN, LUZON: Albay, Benguet, Laguna, Nueva Ecija (photos), Rizal, MINDORO, NEGROS (photos). Notes: Epiphytic in (usually mossy) forests, Fl. Jun-Jul, Sep-Nov. 500-1830(-2195)m. Native.
122. Coelogyne simulacra (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 127; ≡ Dendrochilum simulacrum Ames, Orchidaceae 2 (1908) 92; Pedersen et al., Opera Bot. 130 (1997) 24; Opera Bot. 131 (1997) 116; ≡ Acoridium simulacrum (Ames) Ames, Orchidaceae 7 (1922) 82; Ames in Merrill, EPFP 1 (1924) 289; Type: FB 4981 Curran (AMES, holo; K, US, iso), Luzon: Benguet, Mt Tonglon (Mt Sto Tomas), 8-Aug-1906. Distribution: Endemic to the Philippines. LUZON: Benguet, Quezon. Notes: Epiphytic along forest margins on the summit vicinity at the type locality. Fl. May, Aug. 1995m. Native.
123. Coelogyne sinuata M.W.Chase & Schuit., Phytotaxa 510 (2021) 127; ≡ Dendrochilum flexuosum H.A.Pedersen, Nordic J. Bot. 15 (1996) 383; Pedersen et al., Opera Bot. 130 (1997) 47; Opera Bot. 131 (1997) 172; Type: PNH 10874 Mendoza & Convocar (PNH, holo), Mindanao: Surigao del Norte, Mt Kabatuan, 968m, epiphytic on a forested peak. Distribution: Endemic to the Philippines. MINDANAO: Surigao del Norte, SAMAR. Notes: Known only from the type collection. The Samar material was collected from in primary limestone forest. 968m. Native.
124. Coelogyne smithiana (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 127; ≡ Dendrochilum smithianum (Ames) L.O.Williams, PJS 80 (1952) 311; Pedersen et al., Opera Bot. 130 (1997) 26; Opera Bot. 131 (1997) 44; Cootes, Orch. Philip. (2001) 106; Cootes, Philippine Native Orchid Species (2011) 140; ≡ Acoridium smithianum Ames, Blumea Suppl. 1 (1937) 74; Type: Loher 15129 (AMES, holo), Luzon: Rizal. Distribution: Endemic to the Philippines. LUZON: Aurora, Nueva Vizcaya, Quezon, Rizal. Notes: L.L.Co: Aside from the type, also known from two other collections (Loher 12566a & 13950) possibly rather adjacent to the type locality. Epiphytic, Fl. Jan, May. 500m. Native.
125. Coelogyne sparsa Rchb.f., Gard. Chron., n.s. 19 (1883) t.306; Ames in Merrill, EPFP 1 (1924) 283; Cootes, Philippine Native Orchid Species (2011) 92; Coritico et al., PJS 151 (2022) 2440. Distribution: Endemic to the Philippines. LUZON: Aurora (photos), Bataan, Benguet, Mountain Province, Nueva Vizcaya (photos), Rizal, MINDANAO: Bukidnon, NEGROS, PALAWAN, PANAY. Notes: Common epiphyte at 900-1050m. Native.
126. Coelogyne sulcata Elis.George & J.-C.George, OrchideenJ. 2008 (2008) 173; Cootes, Philippine Native Orchid Species (2011) 92. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: Epiphyte, 600-900m. Native.
127. Coelogyne swaniana Rolfe, Bull. Misc. Inform. Kew 1894 (1894) 183; Ames in Merrill, EPFP 1 (1924) 283; Cootes, Philippine Native Orchid Species (2011) 92. Distribution: Borneo, Malay Peninsula, Philippines, Sumatra. LUZON: Mountain Province, PALAWAN. Notes: Epiphyte, 1600m. Native.
128. Coelogyne tenella (Nees & Meyen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 129; ≡ Dendrochilum tenellum (Nees & Meyen) Ames, PJS 2c (1907) 318; Pedersen et al., Opera Bot. 130 (1997) 21; Opera Bot. 131 (1997) 79; Cootes, Orch. Philip. (2001) 108; Cootes, Philippine Native Orchid Species (2011) 141; ≡ Acoridium tenellum Nees & Meyen, Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 19(Suppl. 1) (1843) 131; Ames in Merrill, EPFP 1 (1924) 290; Type: Meyen s.n. (K, holo), Philippines. = Dendrochilum junceum Rchb.f., Otia Bot. Hamburg. (1878) 54; Type: Wallis s.n. (W-Herb. Rchb.f. 49002), Luzon: Laguna, Los Baños. = Dendrochilum sphacelatum (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 112; Cootes, Philippine Native Orchid Species (2011) 140; ≡ Acoridium sphacelatum Ames, Orchidaceae 1 (1905) 1; Ames in Merrill, EPFP 1 (1924) 289; Type: Elmer 6554 (PNH, holo, lost; AMES 2 sheets, K, L, NY, P, US, iso), Luzon: Benguet, Mt Sto Tomas, Jun-1904. Distribution: Endemic to the Philippines. BABUYAN ISLS, BILIRAN, CAMIGUIN, CAMIGUIN DE BABUYANES, LEYTE, LUZON: Apayao, Aurora, Bataan, Batangas, Benguet, Cagayan, Camarines Sur, Ifugao, Ilocos Norte, Kalinga, La Union, Laguna, Mountain Province, Nueva Ecija, Nueva Vizcaya, Pampanga, Pangasinan, Quezon, Rizal, Sorsogon, Zambales, MINDANAO: Davao, Davao Oriental, MINDORO, SAMAR. Notes: P.B. Pelser & M.A.K. Naive (21-Aug-20): Cootes (2011) considers Dendrochilum tenellum and Dendrochilum sphacelatum as taxonomically distinct at the species level, but Pedersen (1997) provides good arguments for considering them synonymous. Epiphytic (usually oak-ericaceous mossy forests), sometimes in open ridge forests, Fl. Sep-Jul. 300-2495m. Native.
129. Coelogyne tenuibulba (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 129; ≡ Dendrochilum tenuibulbum (Ames) L.O.Williams, PJS 80 (1952) 325; Pedersen et al., Opera Bot. 130 (1997) 25; Opera Bot. 131 (1997) 113; Cootes, Orch. Philip. (2001) 108; Cootes, Philippine Native Orchid Species (2011) 141; ≡ Acoridium tenuibulbum Ames, Blumea Suppl. 1 (1937) 75; Type: Loher 13046 (AMES, holo; AMES, iso), Luzon: Rizal, Balacbac, May-1916. Distribution: Endemic to the Philippines. LUZON: Albay, Rizal, PANAY. Notes: Epiphytic among mosses, on tree trunks, in rather brightly-lit sites. 950-1430m. Native.
130. Coelogyne tenuifolia (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 129; ≡ Dendrochilum tenuifolium (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 114; Pedersen et al., Opera Bot. 130 (1997) 25; Opera Bot. 131 (1997) 97; Cootes, Philippine Native Orchid Species (2011) 141; ≡ Acoridium tenuifolium Ames, Proc. Biol. Soc. Washington 19 (1906) 145; Ames in Merrill, EPFP 1 (1924) 290; Type: Merrill 4576 (PNH, holo, lost; AMES, K, US, iso), Luzon: Mountain Province, Mt Data, Nov-1905. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao, Ilocos Norte, Mountain Province, Nueva Vizcaya. Notes: Epiphytic in mossy forest, Fl. Jul-Feb. 1600-2150(-2500)m. Native.
131. Coelogyne tetradactylifera (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 129; ≡ Dendrochilum tetradactyliferum H.A.Pedersen, Nordic J. Bot. 15 (1996) 390; Pedersen et al., Opera Bot. 130 (1997) 40; Opera Bot. 131 (1997) 135; Type: PNH 2370 Edaño (AMES, holo), Mindanao: Davao del Sur, Mt Apo, Miran River, bole epiphyte in forest, 1915m, 6-Nov-1946. Distribution: Endemic to the Philippines. MINDANAO: Davao, Davao del Sur. Notes: Eight collections cited by Pedersen are thus far only known to be confined to the general vicinity of the type locality. Epiphytic on forested ridges, Fl. Nov. 1800-1915m. Native.
132. Coelogyne tiongiana (Cootes) M.W.Chase & Schuit., Phytotaxa 510 (2021) 129; ≡ Dendrochilum tiongianum Cootes, OrchideenJ. 2011 (2011) 152; Type: Cootes 2011/01 (NSW, holo), cult. Riverwood. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya. Notes: 1300m. Native.
133. Coelogyne tokduanbanoyana M.W.Chase & Schuit., Phytotaxa 510 (2021) 129; ≡ Dendrochilum schweinfurthianum (Ames) L.O.Williams, PJS 80 (1952) 323; Pedersen et al., Opera Bot. 130 (1997) 24; Opera Bot. 131 (1997) 115; ≡ Acoridium schweinfurthianum Ames, Blumea Suppl. 1 (1937) 73; Type: BS 48602 Ramos & Edaño (AMES, holo; K, NY, US, iso), Luzon: Rizal, Mt Tokduanbaboy, epiphytic in mossy forest, 1200m, Nov-1926. Distribution: Endemic to the Philippines. LUZON: Rizal. Notes: Apparently known only from the type collection. Fl. Nov. 1200m. Native.
134. Coelogyne tortilis (H.A.Pedersen) M.W.Chase & Schuit., Phytotaxa 510 (2021) 130; ≡ Dendrochilum tortile H.A.Pedersen, Malesian Orchid J. 7 (2011) 121; Cootes, Philippine Native Orchid Species (2011) 141. Distribution: Endemic to the Philippines. Notes: Cootes (2011): "...most likely of Philippine origin. The exact whereabouts of this species, are at this time, unknown.". Native.
135. Coelogyne turpis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 130; ≡ Dendrochilum turpe (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 118; Pedersen et al., Opera Bot. 130 (1997) 25; Opera Bot. 131 (1997) 93; Cootes, Philippine Native Orchid Species (2011) 142; ≡ Acoridium turpe Ames, Proc. Biol. Soc. Washington 19 (1906) 149; Ames in Merrill, EPFP 1 (1924) 290; Type: Merrill 4758 (PNH, holo, lost; AMES, K, iso), Luzon: Benguet, between Suyoc and Pauai, 7-Nov-1905. Distribution: Endemic to the Philippines. LUZON: Benguet, Ifugao, Mountain Province (photos), Nueva Vizcaya. Notes: Epiphytic in mossy forests, Fl. Feb-Apr, Sep-Dec. (1700-)2060-2400(-2500)m. Native.
136. Coelogyne uncata (Rchb.f.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 130; ≡ Dendrochilum uncatum Rchb.f., Bonplandia 3 (1855) 222; Ames in Merrill, EPFP 1 (1924) 295; Pedersen et al., Opera Bot. 130 (1997) 57-58; Opera Bot. 131 (1997) 162; Cootes, Orch. Philip. (2001) 109; Cootes, Philippine Native Orchid Species (2011) 142; ≡ Acoridium uncatum (Rchb.f.) Rolfe, Orchid Rev. 12 (1904) 220; Type: Cuming 2073 (W-Herb. Rchb.f. 49080, holo; BM, K, L 2 sheets, P, SING, W, A (drawing), iso), Luzon: Zambales prov. Distribution: Philippines, Taiwan. LUZON: Albay, Aurora, Bataan, Benguet, Cagayan, Ifugao, Laguna, Mountain Province, Nueva Vizcaya, Pampanga, Quezon, Rizal, Sorsogon, Zambales, MINDANAO: Agusan, NEGROS, PANAY, SIBUYAN. Notes: Epiphytic. 500-2500m. Native.
     • var. lancifolia, ined.; ≡ Dendrochilum var. lancifolium Rchb.f., Gard. Chron., n.s. 16 (1881) 780; Type: Cuming 2103 (W-Rchb.f. 49034, holo; BM, K, L, P, W, iso), Philippines. Native.
     • var. longispicata (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 130; ≡ Dendrochilum var. longispicatum (Ames) H.A.Pedersen, Opera Bot. 130 (1997) 58; Opera Bot. 131 (1997) 165; ≡ Dendrochilum longispicatum Ames, Orchidaceae 2 (1908) 105; Ames in Merrill, EPFP 1 (1924) 294; Type: Merrill 4336 (AMES, lecto; K, US, isolecto), Luzon: Benguet, Baguio, Oct/Nov-1905. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province, NEGROS, SIBUYAN. Notes: Epiphytic, Fl. Apr, Jul, Sep-Dec. 1450-1750m. Native.
     • var. uncata. Distribution: Philippines, Taiwan. LUZON: Bataan, Benguet, Cagayan, Ifugao, Laguna, Nueva Vizcaya, Pampanga, Quezon, Rizal, Zambales. Notes: Epiphytic (rarely lithophytic) in (usually mossy) forest, Fl. throughout the year. 930-2500m. Native.
137. Coelogyne unicallosa (L.O.Williams) M.W.Chase & Schuit., Phytotaxa 510 (2021) 130; ≡ Dendrochilum unicallosum L.O.Williams, Bot. Mus. Leafl. 5 (1937) 51; Pedersen et al., Opera Bot. 130 (1997) 58; Opera Bot. 131 (1997) 146; Cootes, Philippine Native Orchid Species (2011) 143; Type: Loher 14643, pro parte (AMES, holo; BM, BO, C, K, P, iso), Luzon: Rizal, Sep-1909. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya (photos), Rizal. Notes: Epiphytic in mossy forest. 1330m. Native.
138. Coelogyne unicornis (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 131; ≡ Dendrochilum unicorne (Ames) L.O.Williams, PJS 80 (1952) 314; Pedersen et al., Opera Bot. 130 (1997) 25; Opera Bot. 131 (1997) 118; ≡ Acoridium unicorne Ames, Orchidaceae 7 (1922) 145; Ames in Merrill, EPFP 1 (1924) 290; Type: Ramos & Edaño 54 (AMES, holo; AMES, BM, K, L, NY, P, SING, US, W, iso), Luzon: Benguet, Mt Simakoko, epiphytic in the mossy forest, 6500ft (1981m), 6-Oct-1921. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province (photos). Notes: Fl. Oct. 1981m. Native.
139. Coelogyne usitana Roeth & O.Gruss, Orchidee (Hamburg) 52 (2001) 211; Cootes, Philippine Native Orchid Species (2011) 92. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: Epiphyte, sometimes lithophyte, 800m. Native.
140. Coelogyne vanoverberghii Ames, Orchidaceae 5 (1915) 53; Ames in Merrill, EPFP 1 (1924) 283; Cootes, Philippine Native Orchid Species (2011) 93. Distribution: Endemic to the Philippines. LUZON: Ifugao, Mountain Province. Notes: Known from Vanoverbergh 2865. Epiphyte, 1700m. Native.
141. Coelogyne veronicae (Cootes) M.W.Chase & Schuit., Phytotaxa 510 (2021) 131; ≡ Dendrochilum veronicae Cootes, OrchideenJ. 2015 (2015) 163; Type: Clowes cult. NSW 907366 (NSW, holo), Luzon: Nueva Vizcaya, 28-Aug-2014. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya. Notes: 1000m. Native.
142. Coelogyne warrenii (H.A.Pedersen & Gravend.) M.W.Chase & Schuit., Phytotaxa 510 (2021) 131; ≡ Dendrochilum warrenii H.A.Pedersen & Gravend., Blumea 49 (2004) 358; Cootes, Philippine Native Orchid Species (2011) 143; Naive & Gravendeel, Lankesteriana 18 (2018) 208; Type: Warren EQ 3066 (C, holo), cult. Richard C. Warren 2003. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Native.
143. Coelogyne wenzelii (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 131; ≡ Dendrochilum wenzelii Ames, Orchidaceae 5 (1915) 65; Pedersen et al., Opera Bot. 130 (1997) 21; Opera Bot. 131 (1997) 85; Cootes, Orch. Philip. (2001) 110; Cootes, Philippine Native Orchid Species (2011) 143; ≡ Acoridium wenzelii (Ames) Ames, Orchidaceae 7 (1922) 82; Ames in Merrill, EPFP 1 (1924) 291; Type: Wenzel 264 (AMES, lecto; BM, C, K, L, NY, P, SING, US, iso), Leyte: Leyte, Masaganap near Jaro, epiphyte in forest, 750m, 11-Feb-1914. Distribution: Endemic to the Philippines. BILIRAN, LEYTE, LUZON: Albay, Apayao, Camarines, Camarines Sur, Kalinga, Nueva Vizcaya, Quezon (photos), MINDANAO: Bukidnon. Notes: Epiphytic in forests (sometimes mossy), frequently on ridges, Fl. Feb-Mar, Dec. 500-1800m. Native.
144. Coelogyne williamsii (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 132; ≡ Dendrochilum williamsii (Ames) Pfitzer, Pflanzenr. (Engler) IV (50 II B 7) (1907) 114; Pedersen et al., Opera Bot. 130 (1997) 22; Opera Bot. 131 (1997) 83; Cootes, Orch. Philip. (2001) 111; Cootes, Philippine Native Orchid Species (2011) 144; ≡ Acoridium williamsii Ames, Proc. Biol. Soc. Washington 19 (1906) 143; Ames in Merrill, EPFP 1 (1924) 291; Type: R.S. Williams 1939 (NY, holo; AMES, GH, K, US, iso), Luzon: Benguet, La Trinidad, on rocks, 28-Sep-1904. Distribution: Endemic to the Philippines. LUZON: Apayao, Benguet, Ifugao, Mountain Province, Nueva Ecija (photos), Nueva Vizcaya, Rizal. Notes: Epiphytic in mossy forests (rarely lithophytic), Fl. Sep-Nov. 1165-2540m. Native.
145. Coelogyne woodiana (Ames) M.W.Chase & Schuit., Phytotaxa 510 (2021) 132; ≡ Dendrochilum woodianum Ames, Orchidaceae 2 (1908) 80; Ames, PJS 2c (1907) 318, nom. inval., nom. nud.; Pedersen et al., Opera Bot. 130 (1997) 60; Opera Bot. 131 (1997) 37; Cootes, Philippine Native Orchid Species (2011) 144; ≡ Pseudacoridium woodianum (Ames) Ames, Orchidaceae 7 (1922) 79; Ames in Merrill, EPFP 1 (1924) 284; Type: Merrill 5618 (AMES, holo; K, SING, US, iso; drawings at BM, NY, PNH, SING), Mindoro: Mindoro Oriental, Mt Halcon, 2050-2600m. Distribution: Endemic to the Philippines. LUZON: Aurora (photos), MINDORO. Notes: Epiphyte on ridges, Fl. Apr-May, Nov. 1200-2830m. Native.
146. Coelogyne yuccifolia (L.O.Williams) M.W.Chase & Schuit., Phytotaxa 510 (2021) 132; ≡ Dendrochilum yuccifolium L.O.Williams, Bot. Mus. Leafl. 5 (1937) 53; Pedersen et al., Opera Bot. 130 (1997) 58; Opera Bot. 131 (1997) 175; Cootes, Orch. Philip. (2001) 111; Cootes, Philippine Native Orchid Species (2011) 144; Type: Loher 13216 (AMES, holo; K, iso), Luzon: Rizal, Montalban, Paningtingan. Distribution: Endemic to the Philippines. LUZON: Aurora, Nueva Vizcaya, Quezon, Rizal. Notes: Reportedly epiphytic, Fl. Jan, Sep; known to flower in March from cultivated specimens. 500(-?)m. Native.
147. Coelogyne zahlbrucknerae Kraenzl., Repert. Spec. Nov. Regni Veg. 17 (1921) 389; Cootes, Philippine Native Orchid Species (2011) 93. Distribution: Endemic to the Philippines. CAMIGUIN, LUZON: Benguet, Pangasinan, Quezon. Notes: Epiphyte, sometimes lithophyte, over 1000m. Native.

Needs name

1. Coelogyne milesiana, ined.; ≡ Dendrochilum milesianum Cootes, Orchids Austral. (2025) 12; Type: Cootes s.n. (NSW1318462 & NSW1318463, holo), cult. by G. Campbell, Victoria, Australia, 15-Jul-25. Distribution: Endemic to the Philippines. ?LUZON. Notes: Origin uncertain, only known from cultivated specimens. Possibly from northern Luzon (Cootes 2025). Native.

Cultivated, not naturalized

1. Coelogyne × bufordiense. Notes: Name not, in IPNI and WCSP on 19-Aug-2020. A primary hybrid between Coelogyne asperata and Coelogyne pandurata originally made in 1911. Cultivated, not naturalized.

Collabium Blume

1. Collabium simplex Rchb.f., Gard. Chron., n.s. 15 (1881) 462. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi, Sumatra. MINDANAO: Zamboanga del Sur (photo), NEGROS, PANAY. Native.
2. Collabium vesicatum (Rchb.f.) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 98; ≡ Chrysoglossum vesicatum Rchb.f., Fl. Vit. (1868) 304. Distribution: New Guinea, Pacific Ocean, Philippines, Solomon Isls. NEGROS (photos). Native.

Possibly present

1. Collabium formosanum Hayata, J. Coll. Sci. Imp. Univ. Tokyo 30(1) (1911) 319; Agoo, Philippine J. Syst. Biol. 1 (2007) 83; Type: from Taiwan. Distribution: ?Philippines, Taiwan.

Corybas Salisb.

1. Corybas apoensis Agad, Tandang, R.Bustam. & Salas, Phytotaxa 766 (2026) 85; Type: Salas 3721 (PNH, holo; CAHUP, CMUH, PPC, iso), Mindanao: Davao del Sur, Davao City, Brgy. Sibulan, Mt Apo, 2436m, 23-Nov-2023. Distribution: Endemic to the Philippines. MINDANAO: Davao del Sur. Notes: 2100-2479m. Conservation status: Critically Endangered (Agad et al. 2026). Native.
2. Corybas boholensis Tandang, R.Bustam., T.Reyes Jr. & S.P.Lyon, Phytotaxa 477 (2020) 262; Type: R. Callado 2855 (PNH258426, holo; BRIT, CAHUP, iso), Bohol: Bilar, Brgy Zamora, Bohol Island State University, Forest Academic Research Area, Sep-2018. Distribution: Endemic to the Philippines. BOHOL. Notes: 350-400m (Callado pers. comm., 12-Nov-25). Conservation status: Critically Endangered (Tandang et al. 2020). DAO category: Critically Endangered. Native.
3. Corybas calopeplos J.Dransf. & G.Sm., Kew Bull. 41 (1986) 584. Distribution: Borneo, Malay Peninsula, Philippines. MINDANAO: Bukidnon (photos), Davao Oriental (photos). Notes: P.B. Pelser (6-Aug-23): Possibly first reported from the Philippines from Bukidnon by Alastair Robinson, who also reported seeing it in Borneo (pers. comm. 6-Aug-23). 1504-1575m (photos). Native.
4. Corybas circinatus Tandang & R.Bustam., Phytotaxa 446 (2020) 136; Type: Tandang 2060 (PNH, holo; CAHUP, KUN, iso), Palawan: Mt Bloomfield, Jun-2012. Distribution: Endemic to the Philippines. PALAWAN. Notes: 210-874m. Conservation status: Endangered (Tandang et al. 2020). DAO category: Endangered. Native.
5. Corybas geminigibbus J.J.Sm., Mitt. Inst. Allg. Bot. Hamburg 7 (1927) 13. Distribution: Borneo, Malay Peninsula, Philippines, Thailand. PALAWAN. Native.
6. Corybas hamiguitanensis Tandang, Galindon & R.Bustam., Phytotaxa 598 (2023) 82; Type: Tandang 2061 (PNH, holo; CAHUP, CMUH, iso), Mindanao: Davao Oriental, San Isidro, Brgy La Union, Mount Hamiguitan Range Wildlife Sanctuary, Jul-2016. Distribution: Endemic to the Philippines. MINDANAO: Davao Oriental. Notes: 626-1279m. Conservation status: Data Deficient (Tandang et al. 2023). DAO category: Critically Endangered. Native.
7. Corybas kaiganganianus Tandang, A.S.Rob. & M.D.Angeles, Phytotaxa 543 (2022) 128; Type: Angeles 338 (PNH, holo; USTH, iso), Samar: Paranas, Samar Island Natural Park, 26-Oct-2021. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte (photos), ?Misamis, SAMAR. Notes: R. Bustamante (4-Aug-23): reported by Melbert Baul from Misamis. 360-380m to 800m (photos). Conservation status: Critically Endangered (Delos Angeles et al. 2022). DAO category: Critically Endangered. Native.
8. Corybas laceratus L.O.Williams, Bot. Mus. Leafl. 5 (1937) 54; ≡ Calcearia lacerata (L.O.Williams) M.A.Clem. & D.L.Jones, Orchadian 13 (2002) 445; Type: Loher 14673 (AMES, holo), Luzon: Rizal, Sep-1909. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija (photos), Rizal. Notes: Also reported from Nueva Ecija-Aurora border (photos). DAO category: Endangered. Native.
9. Corybas merrillii (Ames) Ames, Orchidaceae 2 (1908) 42; Ames in Merrill, EPFP 1 (1924) 261; ≡ Corysanthes merrillii Ames, Orchidaceae 1 (1905) 65; ≡ Calcearia merrillii (Ames) M.A.Clem. & D.L.Jones, Orchadian 13 (2002) 445. Distribution: Endemic to the Philippines. LUZON: Bataan, Laguna. Notes: Terrestrial on mossy cliffs. DAO category: Endangered. Native.
10. Corybas ramosianus J.Dransf., Kew Bull. 41 (1986) 611; Batuyong et al., Biodiversitas 21 (2020) 3974; ≡ Gastrosiphon ramosianus (J.Dransf.) M.A.Clem. & D.L.Jones, Orchadian 13 (2002) 448. Distribution: Endemic to the Philippines. LUZON: Ilocos Norte. DAO category: Endangered. Native.

Possibly present

1. Corybas fornicatus (Blume) Rchb.f., Beitr. Syst. Pflanzenk. (1871) 67; ≡ Calcearia fornicata Blume, Bijdr. fl. Ned. Ind. (1825) 417. Distribution: Java, Lesser Sunda Isls, Malay Peninsula, ?Philippines, Sumatra. MINDANAO: ?Lanao, ?PALAWAN. Notes: R. Bustamante (4-Aug-23): reported by Jeh and John Patykowski from Palawan and by Dave Buenavista from Lanao.

Corymborkis Thouars

1. Corymborkis veratrifolia (Reinw.) Blume, Coll. Orchid. (1859) 125; Cootes, Philippine Native Orchid Species (2011) 94; ≡ Hysteria veratrifolia Reinw., Syll. Pl. Nov. 2 (1825) 5; Type: from Java. = Corymborkis confusa (Ames) Ames, Orchidaceae 5 (1915) 48; Ames in Merrill, EPFP 1 (1924) 280; ≡ Corymbis confusa (Ames) Schltr., Bot. Jahrb. Syst. 45 (1911) 395; ≡ Chloidia confusa Ames, Orchidaceae 2 (1908) 67. Distribution: Andaman Isls, Australia, Cambodia, China, India, Java, Laos, Malaysia, New Guinea, Pacific Ocean, Philippines, Sri Lanka, Taiwan, Thailand, Vietnam. ALABAT, BANCALAN, BOHOL (photos), CATANDUANES, JOLO, LEYTE, LUZON: Apayao, Cagayan, Camarines Sur (photos), Cavite, Ilocos Norte, Kalinga, Laguna, Nueva Ecija, Nueva Vizcaya, Quezon, Rizal, MARINDUQUE, MINDANAO: Agusan, Agusan del Norte, Davao, Davao Oriental, Zamboanga Sibugay, Zamboanga del Norte (photos), Zamboanga del Sur, MINDORO, NEGROS, PALAWAN, PANAY, SAMAR, SULU ARCHIPELAGO, TABLAS, TATAAN. Notes: Terrestrial in forest, 0-830m. Native.

Crepidium Blume

1. Crepidium acuminatum (D.Don) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 123; ≡ Malaxis acuminata D.Don, Prodr. Fl. Nepal. (1825) 29. = Crepidium bilobum (Lindl.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 124, nom. inval.; ≡ Malaxis acuminata var. biloba (Lindl.) Ames, EPFP 1 (1924) 302; ≡ Malaxis biloba (Lindl.) Ames, Orchidaceae 2 (1908) 122; ≡ Microstylis biloba Lindl., Gen. Sp. Orchid. Pl. (1830) 20. Distribution: Australia, Bhutan, Cambodia, China, India, Java, Laos, Myanmar, Nepal, Philippines, ?Taiwan, Thailand, Tibet, Vietnam. LUZON: Bataan, Batangas, Benguet, Ifugao, Laguna, Mountain Province, Rizal, MINDORO, PALAWAN. Notes: Crepidium bilobum (Lindl.) Szlach. was not validly published, because it has an incorrect basionym reference. Native.
2. Crepidium alagense (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 34; Cootes, Philippine Native Orchid Species (2011) 95; ≡ Malaxis alagensis (Ames) Ames, Orchidaceae 2 (1908) 122; Ames in Merrill, EPFP 1 (1924) 302; ≡ Fingardia alagensis (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 134; ≡ Microstylis alagensis Ames, PJS 2c (1907) 318. Distribution: Endemic to the Philippines. LUZON: Apayao (photos), Quezon, MINDANAO: Zamboanga del Sur, MINDORO. Notes: Terrestrial, 100-400m. Native.
3. Crepidium arietinum (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 124; ≡ Malaxis arietina Ames, PJS 8c (1913) 411; Ames in Merrill, EPFP 1 (1924) 302; ≡ Pseudoliparis arietina (Ames) Marg. & Szlach., Polish Bot. J. 46 (2001) 42. Distribution: Endemic to the Philippines. CAMIGUIN, MINDANAO: Agusan del Norte. Native.
4. Crepidium atrosanguineum (Ames) Marg. & Szlach., Polish Bot. J. 46 (2001) 43; Enriquez et al., Fl. Plants Mt. Apo Natural Park (2024) 94; ≡ Malaxis atrosanguinea Ames, Schedul. Orchid. 6 (1923) 30; Ames in Merrill, EPFP 1 (1924) 302. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte, Davao de Oro (photos), Davao del Sur, South Cotabato (photos). Notes: 1000-2000m (photos). Native.
5. Crepidium balabacense (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 124; ≡ Pseudoliparis balabacensis (Ames) Marg. & Szlach., Ann. Bot. Fenn. 37 (2000) 281; ≡ Malaxis balabacensis Ames, PJS 6c (1911) 42; Ames in Merrill, EPFP 1 (1924) 302; Type: Merrill 5374 (US, lecto; AMES, BO, E, K, PNH, isolecto), Balabac, 16-Oct-1916. Distribution: Endemic to the Philippines. BALABAC, BOHOL, CAMIGUIN, LEYTE, LUZON: Apayao, Aurora, Bataan, Batangas, Cavite, Laguna, Rizal, Sorsogon, MINDANAO: Agusan del Norte, Bukidnon, Lanao del Sur, Surigao del Norte, PALAWAN, SIBUTU, TAWI-TAWI. Native.
6. Crepidium bancanoides (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 124; Cootes, Philippine Native Orchid Species (2011) 95; Odulio et al., Biodivers. Data J. 14 (2026) 28; ≡ Malaxis bancanoides Ames, Orchidaceae 2 (1908) 129; Ames in Merrill, EPFP 1 (1924) 303; Type: R.C. McGregor 14 (AMES, holo), Sibuyan: Mountains back of San Fernando, 9-Jul-1904. = Crepidium macgregorii (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 38; ≡ Malaxis macgregorii Ames, PJS 6c (1911) 45; Ames in Merrill, EPFP 1 (1924) 305. = Crepidium mindanaense (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 38; ≡ Malaxis mindanaensis Ames, LPB 5 (1912) 1560; Ames in Merrill, EPFP 1 (1924) 305. Distribution: Philippines, Ryukyu Isls, Sulawesi, Taiwan, Thailand. CEBU (photos), LEYTE, LUZON: Aurora, Camarines Norte, Ilocos Norte (photos), Kalinga-Apayao, Laguna, Pampanga, Quezon, Sorsogon, MINDANAO: Agusan del Sur, Bukidnon, Davao del Sur, NEGROS (photos), PANAY (photos), POLILLO, SAMAR, SIBUYAN. Native.
7. Crepidium bataanense (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 35; ≡ Malaxis bataanensis Ames, PJS 6c (1911) 43; Ames in Merrill, EPFP 1 (1924) 303. Distribution: Endemic to the Philippines. LUZON: Bataan, NEGROS. Native.
8. Crepidium binabayense (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 124; Cootes, Philippine Native Orchid Species (2011) 95; Odulio et al., Biodivers. Data J. 14 (2026) 28; ≡ Malaxis binabayensis (Ames) Ames, Orchidaceae 2 (1908) 124; Ames in Merrill, EPFP 1 (1924) 303; ≡ Microstylis binabayensis Ames, PJS 2c (1907) 318; Type: Merrill 5804 (AMES, K, NY, P), Mindoro: Binabay River, 1000ft, 4-Dec-1906. Distribution: Endemic to the Philippines. LUZON: Laguna (photos), MINDORO, SAMAR. Notes: Terrestrial, 300-700m. Native.
9. Crepidium bracteosum (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 125; Enriquez et al., Fl. Plants Mt. Apo Natural Park (2024) 95; ≡ Malaxis bracteosa Ames, Orchidaceae 7 (1922) 111; Ames in Merrill, EPFP 1 (1924) 303. Distribution: Endemic to the Philippines. LUZON: Quezon, Sorsogon, MINDANAO: Bukidnon, Davao del Sur. Notes: 100-1400m. Native.
10. Crepidium copelandii (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 125; ≡ Malaxis copelandii Ames, Orchidaceae 2 (1908) 124; Ames in Merrill, EPFP 1 (1924) 303. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon (photos), Misamis Occidental, Zamboanga. Native.
11. Crepidium cuneipetalum (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 125; ≡ Malaxis cuneipetala Ames, Orchidaceae 6 (1920) 288; Ames in Merrill, EPFP 1 (1924) 303. = Crepidium ravanii Marg., Phytotaxa 172 (2014) 51; Type: Schneider s.n. (UGDA-HBM, holo and iso), Samar: Samar National Park, Nov-2013. Distribution: Endemic to the Philippines. LEYTE, SAMAR. Native.
12. Crepidium davaensis (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 126; ≡ Malaxis davaensis Ames, Orchidaceae 5 (1915) 69; Ames in Merrill, EPFP 1 (1924) 303. Distribution: Endemic to the Philippines. MINDANAO: Davao, Davao del Sur. Native.
13. Crepidium dentatum (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 126; Cootes, Philippine Native Orchid Species (2011) 96; ≡ Malaxis dentata (Ames) Ames, Orchidaceae 2 (1908) 125; Ames in Merrill, EPFP 1 (1924) 303; ≡ Microstylis dentata Ames, PJS 2c (1907) 319. Distribution: Endemic to the Philippines. JOLO, LEYTE, LUZON: Aurora (photos), Camarines, Camarines Sur, Laguna, Quezon, Rizal, Sorsogon, MINDANAO: Agusan, Agusan del Norte, MINDORO, POLILLO. Native.
    • ssp. dentatum. = Malaxis philippinensis (Kraenzl.) Ames, Orchidaceae 5 (1915) 71; ≡ Microstylis philippinensis Kraenzl., Orchis 2 (1907) 16. Distribution: Endemic to the Philippines. JOLO, LEYTE, LUZON: Camarines, Rizal, Sorsogon, MINDANAO: Agusan, MINDORO, POLILLO. Notes: Epiphytic or terrestrial, up to 1000m. Native.
    • ssp. epidendrum (M.A.Clem. & D.L.Jones) Marg., Taxon. Red. Subtribe Malaxidinae (2012) 94; ≡ Crepidium epidendrum M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 35. = Malaxis epiphytica Ames, Schedul. Orchid. 6 (1923) 34; Ames in Merrill, EPFP 1 (1924) 304. Distribution: Endemic to the Philippines. MINDANAO. Native.
14. Crepidium elmeri (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 126; ≡ Malaxis elmeri Ames, Orchidaceae 2 (1908) 126; Ames in Merrill, EPFP 1 (1924) 304. Distribution: Endemic to the Philippines. LUZON: Benguet. Native.
15. Crepidium hutchinsonianum (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 127; ≡ Malaxis hutchinsoniana (Ames) Ames, Orchidaceae 2 (1908) 128; Ames in Merrill, EPFP 1 (1924) 304; ≡ Microstylis hutchinsoniana Ames, PJS 2c (1907) 319. Distribution: Endemic to the Philippines. LUZON: Quezon (photos), MINDORO, PANAY (photos). Notes: Perhaps a synonym of Crepidium binabayense. Native.
16. Crepidium lilacinum (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 37; ≡ Malaxis lilacina Ames, Schedul. Orchid. 6 (1923) 35; Ames in Merrill, EPFP 1 (1924) 305. Distribution: Endemic to the Philippines. LEYTE, PANAY. Native.
17. Crepidium merrillii (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 129; ≡ Malaxis merrillii (Ames) Ames, Orchidaceae 2 (1908) 128; ≡ Microstylis merrillii Ames, PJS 2c (1907) 319. Distribution: Endemic to the Philippines. MINDORO. Native.
18. Crepidium mindorense (Rendle) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 38; ≡ Malaxis mindorensis (Rendle) Ames, Orchidaceae 2 (1908) 131; ≡ Microstylis mindorensis Rendle, J. Bot. 34 (1896) 357. Distribution: Endemic to the Philippines. LUZON: Mountain Province, MINDORO. Native.
19. Crepidium negrosianum (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 38; ≡ Malaxis negrosiana Ames, LPB 5 (1912) 1561; Ames in Merrill, EPFP 1 (1924) 305. Distribution: Endemic to the Philippines. NEGROS. Native.
20. Crepidium propinquum (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 130; ≡ Malaxis propinqua Ames, Orchidaceae 6 (1920) 289; Ames in Merrill, EPFP 1 (1924) 305. Distribution: Endemic to the Philippines. LUZON: Mountain Province. Native.
21. Crepidium purpureum (Lindl.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 131; ≡ Malaxis purpurea (Lindl.) Kuntze, Revis. Gen. Pl. 2 (1891) 673; ≡ Microstylis purpurea Lindl., Gen. Sp. Orchid. Pl. (1830) 20; Type: from Sri Lanka. = Crepidium rizalense (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 40; ≡ Malaxis rizalensis Ames, PJS 6c (1911) 46; Type: Ramos BS 4561 (AMES, holo), Luzon: Rizal, Bosoboso, Aug-1907. Distribution: China, India, Philippines, Sri Lanka, Taiwan, Thailand, Vietnam. LUZON: Laguna, Rizal. Native.
22. Crepidium quadridentatum (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 131; Cootes, Philippine Native Orchid Species (2011) 96; ≡ Malaxis quadridentata (Ames) Ames, Orchidaceae 2 (1908) 130; Ames in Merrill, EPFP 1 (1924) 305; ≡ Microstylis quadridentata Ames, PJS 2c (1907) 320. Distribution: Endemic to the Philippines. DINAGAT (photos), LUZON: Sorsogon, MINDORO. Notes: Terrestrial, c. 800m. Native.
23. Crepidium quadrilobum (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 131; Cootes, Philippine Native Orchid Species (2011) 96; ≡ Malaxis quadriloba Ames, Orchidaceae 2 (1908) 131; Ames in Merrill, EPFP 1 (1924) 305. Distribution: Endemic to the Philippines. LUZON: Bataan, Benguet, Mountain Province, Nueva Ecija (photos), Quezon, MINDORO, PANAY. Notes: Terrestrial, 800-1000m. Native.
24. Crepidium ramosii (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 131; Cootes, Philippine Native Orchid Species (2011) 97; ≡ Pseudoliparis ramosii (Ames) Marg. & Szlach., Polish Bot. J. 46 (2001) 42; ≡ Malaxis ramosii Ames, PJS 6c (1911) 45; Ames in Merrill, EPFP 1 (1924) 305; Type: Ramos BS 4567 (AMES, holo), Luzon: Bosoboso, 12-Aug-1907. Distribution: Endemic to the Philippines. CEBU (photos), DINAGAT (photos), LEYTE, LUZON: Abra (photos), Aurora (photos), Camarines Sur (photos), Laguna, Quezon (photos), Rizal, MINDANAO: Davao Oriental (photos), Davao de Oro (photos), Zamboanga del Norte (photos), MINDORO, NEGROS (photos), PALAWAN, PANAY (photos). Notes: P.B. Pelser (3-Jul-20): Lin et al. (2016) consider Malaxis ramosii Ames a synonym of Pseudoliparis moluccana (J.J.Sm.) Marg. (=Crepidium moluccanum (J.J.Sm.) Ormerod), but R. Boos (pers. comm., 30-Jun-20) and P. Ormerod (pers. comm., 3-Jul-20) suggest that this was done in error and that the two are quite distinct species. Terrestrial, 500-810m (photos). Native.
25. Crepidium rheedei Blume, Bijdr. fl. Ned. Ind. (1825) 387. Distribution: LUZON: Quezon (photos), MINDORO, PANAY (photos). Native.
    • ssp. purpureiflorum (Ames & Quisumb.) Marg., Taxon. Red. Subtribe Malaxidinae (2012) 84; ≡ Crepidium purpureiflorum (Ames & Quisumb.) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 39; Cootes, Philippine Native Orchid Species (2011) 96; ≡ Malaxis purpureiflora Ames & Quisumb., PJS 59 (1936) 2. Distribution: Endemic to the Philippines. LUZON: Quezon (photos), MINDORO, PANAY (photos). Notes: Terrestrial, 500-1200m. Native.
26. Crepidium taylorii (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 132; ≡ Malaxis taylorii Ames, Orchidaceae 6 (1920) 290; Ames in Merrill, EPFP 1 (1924) 306; Type: Taylor, Mindanao: Agusan, 10-Apr-1913. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte. Native.
27. Crepidium tjiwideiense (J.J.Sm.) Szlach., Polish Bot. J. 46 (2001) 43; Cootes, Philippine Native Orchid Species (2011) 97; ≡ Microstylis tjiwideiensis J.J.Sm., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 9 (1913) 38. Distribution: Java, Philippines. MINDANAO: Bukidnon (photos), MINDORO, NEGROS (photos). Notes: Terrestrial. 660m. Native.
28. Crepidium uncatum (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 41; ≡ Malaxis uncata Ames, PJS 6c (1911) 46; Ames in Merrill, EPFP 1 (1924) 306. Distribution: Endemic to the Philippines. LUZON: Aurora, Laguna, Quezon (photos), MINDANAO: Davao de Oro (photos), MINDORO (photos), SAMAR (photos). Notes: 180-1250m (photos). Native.
29. Crepidium wenzelii (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 133; ≡ Malaxis wenzelii Ames, PJS 8c (1913) 412; Ames in Merrill, EPFP 1 (1924) 306. Distribution: Endemic to the Philippines. BOHOL, LEYTE, PANAY. Native.
30. Crepidium williamsii (Ames) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 133; ≡ Malaxis williamsii Ames, Orchidaceae 2 (1908) 131; Ames in Merrill, EPFP 1 (1924) 306. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province, Rizal. Native.

Cryptostylis R.Br.

1. Cryptostylis acutata J.J.Sm., Bull. Jard. Bot. Buitenzorg, 3rd Sér. 3 (1921) 243; Cootes, Philippine Native Orchid Species (2011) 97. Distribution: Borneo, Java, Philippines, Sumatra. BASILAN (photos), LUZON: Aurora (photos), Camarines Norte (photos), Ifugao, MINDANAO: Bukidnon (photos), Cotabato (photos), Davao Oriental (photos), Misamis Oriental (photos), MINDORO. Notes: 754-2100m (photos). Native.
   • var. borneensis J.J.Sm., Mitt. Inst. Allg. Bot. Hamburg 7 (1927) 17. Distribution: Borneo, Philippines. LUZON: Ifugao, MINDANAO. Notes: Terrestrial, c. 1500m. Native.
2. Cryptostylis arachnites (Blume) Hassk., Cat. Hort. Bot. Bogor. (Hasskarl) (1844) 48; Ames in Merrill, EPFP 1 (1924) 261; Holttum, Rev. Fl. Malaya 1 (1954) 103; Cootes, Philippine Native Orchid Species (2011) 98; ≡ Zosterostylis arachnites Blume, Bijdr. fl. Ned. Ind. (1825) 419; Type: from Java. Distribution: Borneo, Cambodia, China, India, Java, Laos, Malay Peninsula, Myanmar, New Guinea, Philippines, Sri Lanka, Sumatra, Taiwan, Thailand, Vietnam. BILIRAN, CAMIGUIN, LEYTE, LUZON: Apayao, Aurora, Kalinga-Apayao, Laguna, Nueva Vizcaya (photos), Quezon, Rizal, Sorsogon, MINDANAO: Davao Oriental, Davao del Sur, Misamis Occidental (photos), MINDORO, NEGROS, POLILLO, SAMAR. Notes: A common, variable, and widely distributed species in the Philippines. According to Holttum (1954), Peninsular Malayan plants may represent a distinct species. Terrestrial, in forest. 30-1000m to 1800m (photos). Native.
3. Cryptostylis carinata J.J.Sm., Repert. Spec. Nov. Regni Veg. 11 (1912) 134. Distribution: New Guinea, Philippines. MINDANAO: Davao Oriental (photos), MINDORO, PALAWAN, PANAY. Native.
4. Cryptostylis taiwaniana Masam., Trans. Nat. Hist. Soc. Formosa 23 (1933) 208; Cootes, Philippine Native Orchid Species (2011) 98; ≡ Cryptostylis arachnites var. taiwaniana (Masam.) S.S.Ying, Coloured Ill. Indig. Orchids Taiwan 3 (1988) 622; Type: from Taiwan. Distribution: Philippines, Taiwan. LEYTE, LUZON: Nueva Vizcaya (photos), Quezon, MINDANAO: Davao Oriental (photos), Davao de Oro (photos), Zamboanga del Sur (photos), MINDORO, SIBUYAN. Notes: Terrestrial. 600m to 1600m (photos). Native.

Cylindrolobus Blume

1. Cylindrolobus alboluteus (Rolfe) J.J.Wood, Malesian Orchid J. 5 (2010) 87; Cootes, Philippine Native Orchid Species (2011) 98; ≡ Eria albolutea Rolfe, Bull. Misc. Inform. Kew 1917 (1917) 80; Ames in Merrill, EPFP 1 (1924) 364. Distribution: Endemic to the Philippines. MINDANAO: Davao, PALAWAN. Notes: Epiphyte, c. 500m. Native.
2. Cylindrolobus aliciae (Quisumb.) W.Suarez, OrchideenJ. 2010 (2010) 13; ≡ Eria aliciae Quisumb., PJS 66 (1938) 149. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya, Rizal, NEGROS. Notes: Terrestrial in shaded sites, in shaded location. 300(-?2750)m. Native.
3. Cylindrolobus aporoides (Lindl.) Rauschert, Feddes Repert. 94 (1983) 444; ≡ Aporodes fragrans W.Suarez & Cootes, Austral. Orchid Rev. 73(5) (2008) 33; Cootes, Philippine Native Orchid Species (2011) 25; ≡ Eria aporoides Lindl., J. Proc. Linn. Soc., Bot. 3 (1859) 60; Cootes, Orch. Philip. (2001) 115; ≡ Dendrobium aporoides (Lindl.) Merr., Sp. Blancoanae (1918) 113; Ames in Merrill, EPFP 1 (1924) 345. Distribution: Endemic to the Philippines. BASILAN, BUYAYAO (photos), CAMIGUIN, LEYTE, LUZON: Albay, Aurora, Batangas (photos), Cagayan, Camarines, Ilocos Norte, Laguna, Nueva Vizcaya, Quezon, Rizal, Zambales, MINDANAO: Agusan, Davao, Surigao, Zamboanga, MINDORO, PALAWAN, POLILLO. Notes: Lithophytic or epiphytic, common. 0-1000m. Native.
4. Cylindrolobus benmabantae Cabactulan, Cootes, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 9, as 'benmabantai'; Type: M.D. De Leon MDL1803009 (CAHUP073549), Mindanao: Bukidnon, c. 1200m, 2-Mar-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao Oriental (photos), Davao de Oro (photos). Notes: 1000-1250m (photos). Native.
5. Cylindrolobus brachystachyus (Rchb.f.) Rauschert, Feddes Repert. 94 (1983) 445; Cootes, Philippine Native Orchid Species (2011) 99; ≡ Eria brachystachya Rchb.f., Bonplandia 3 (1855) 223; Cootes, Orch. Philip. (2001) 115; Ames in Merrill, EPFP 1 (1924) 365. = Eria wenzelii Ames, PJS 8c (1914) 428. Distribution: Endemic to the Philippines. BABUYAN, CAMIGUIN DE BABUYANES, LEYTE, LUZON: Camarines, Kalinga, Kalinga-Apayao, Quezon, Rizal, Sorsogon, Tarlac, MINDANAO: Agusan, Bukidnon, MINDORO. Notes: Epiphytic at sea-level to 1000m. Fairly common. Native.
6. Cylindrolobus cootesii (D.P.Banks) W.Suarez, OrchideenJ. 2010 (2010) 13; Cootes, Philippine Native Orchid Species (2011) 99; ≡ Eria cootesii D.P.Banks, OrchideenJ. 2008 (2008) 78. Distribution: Endemic to the Philippines. LUZON: Laguna, Nueva Ecija, Nueva Vizcaya. Notes: Epiphyte, c. 500m. Native.
7. Cylindrolobus datuguinae Naive, M.Leon & Buenavista, OrchideenJ. 2016 (2016) 3, as 'datuguinai'; Type: M.D. De Leon 022/2016 (CMUH10813, holo), Mindanao: Bukidnon, Kalatungan Mountain Range, 5-Jun-2016, 1778m. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1778m. Native.
8. Cylindrolobus elisheae (P.O'Byrne) J.J.Wood, Malesian Orchid J. 5 (2010) 87; Cootes, Philippine Native Orchid Species (2011) 99; ≡ Eria elisheae P.O'Byrne, Malayan Orchid Rev. 34 (2000) 52. Distribution: Endemic to the Philippines. LUZON: Quezon, MINDORO. Notes: Epiphyte, 350-600m. Native.
9. Cylindrolobus fastigatifolius (Ames) W.Suarez, OrchideenJ. 2010 (2010) 13; Cootes, Philippine Native Orchid Species (2011) 100; ≡ Eria fastigatifolia Ames, Orchidaceae 2 (1908) 191; Ames in Merrill, EPFP 1 (1924) 367. Distribution: Endemic to the Philippines. LEYTE, LUZON: Benguet, Ifugao, Laguna, Mountain Province, Nueva Vizcaya (photos), Quezon, Rizal, Sorsogon, MINDANAO: Lanao, South Cotabato (photos), Surigao, NEGROS. Notes: Epiphyte, 300-1300m. Native.
10. Cylindrolobus longissimus (Ames & Quisumb.) J.J.Wood, Malesian Orchid J. 5 (2010) 87; Cootes, Philippine Native Orchid Species (2011) 100; ≡ Eria longissima Ames & Quisumb., PJS 44 (1931) 374. Distribution: Endemic to the Philippines. LUZON: Laguna, Rizal. Notes: Epiphyte, c. 1000m. Native.
11. Cylindrolobus oliviacamposiae Naive, Mabanta & Cootes, OrchideenJ. 2017 (2017) 9; Type: M.A. Naive 018/2017 (CMUH00010874, holo), Mindanao: Bukidnon, Impasug-on, Impalutao, Center for Ecological Development and Recreation (CEDAR), epiphytic in deeply shaded location, 780m, 24-Mar-2017. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Conservation status: Endangered (Naive et al. 2017). DAO category: Endangered. Native.
12. Cylindrolobus perspicabilis (Ames) W.Suarez, OrchideenJ. 2010 (2010) 13, as 'perspicabile'; ≡ Eria perspicabilis Ames, Orchidaceae 5 (1915) 156; Ames in Merrill, EPFP 1 (1925) 373. Distribution: Endemic to the Philippines. LUZON: Aurora (photos), Ifugao, Mountain Province. Notes: Described from Mt Polis, which is on the border of Ifugao Prov and Mountain Province. Native.

Cymbidium Sw.

1. Cymbidium aliciae Quisumb., PJS 72 (1940) 486; Cootes, Orch. Philip. (2001) 62; Cootes, Philippine Native Orchid Species (2011) 100. Distribution: Philippines, Sulawesi. LUZON: Ilocos Norte (photos), Nueva Vizcaya, Rizal, Sorsogon, MINDANAO: Bukidnon (photos), Misamis Oriental (photos), MINDORO, NEGROS, SAMAR. Notes: Wally Suarez (25-Jul-24): Cymbidium aliciae also grows in Ilocos Norte. Terrestrial in shaded sites. 300-2750m. DAO category: Endangered. Native.
2. Cymbidium aloifolium (L.) Sw., Nova Acta Regiae Soc. Sci. Upsal., 2nd Ser. 6 (1799) 73; Cootes, Philippine Native Orchid Species (2011) 101; ≡ Epidendrum aloifolium L., Sp. Pl., 1st Ed. (1753) 953. Distribution: Andaman Isls, Borneo, Cambodia, China, India, Java, Laos, Malay Peninsula, Myanmar, Philippines, Sri Lanka, Sumatra, Thailand, Vietnam. MINDANAO: Davao del Sur (photos), Surigao, SULU ARCHIPELAGO. Notes: Usually epiphytic, up to 1000m. Native.
3. Cymbidium atropurpureum (Lindl.) Rolfe, Orchid Rev. 11 (1903) 190; Ames in Merrill, EPFP 1 (1925) 403; Cootes, Philippine Native Orchid Species (2011) 101; Malabrigo et al., Flora of Mt Mantalingahan Protected Landscape (2023) 215; ≡ Cymbidium pendulum var. atropurpureum Lindl., Gard. Chron., 1st Ser. 1854 (1854) 287; Cootes, Orch. Philip. (2001) 62. Distribution: Borneo, China, Java, Malay Peninsula, Philippines, Sumatra, Thailand, Vietnam. JOLO, LEYTE, LUZON: Benguet, Laguna, Mountain Province, Nueva Vizcaya (photos), Quezon, Rizal, MINDANAO: Bukidnon, Davao del Norte, Davao del Sur, South Cotabato (photos), Surigao del Norte, Surigao del Sur, PALAWAN, TAWI-TAWI. Notes: Usually in high elevation areas to 2200m, commonly a high-crown epiphyte, sometimes lithophytic, usually in full sun. Native.
4. Cymbidium chloranthum Lindl., Edwards's Bot. Reg. 29(Misc.) (1843) 68; Type: Loddiges cult. (K, holo). = Cymbidium chloranthum ssp. palawanense Lubag-Arquiza, Orchid Rev. 114 (2006) 264; Cootes, Philippine Native Orchid Species (2011) 101; Type: Lubag-Arquiza PALM 2001.021 (UPLB, holo). Distribution: Borneo, Java, Malay Peninsula, Philippines, Sumatra. MINDANAO: Surigao, PALAWAN. Notes: Epiphytic, 500-1200m. Conservation status: Data Deficient (IUCN 3.1). Native.
5. Cymbidium cyperifolium Wall. ex Lindl., Gen. Sp. Orchid. Pl. (1833) 163. Distribution: Bhutan, Cambodia, China, India, Malay Peninsula, Myanmar, Nepal, Philippines, Thailand, Vietnam. Native.
   • ssp. indochinense Du Puy & P.J.Cribb, Gen. Cymbidium (1988) 176. Distribution: Cambodia, Malay Peninsula, Philippines, Thailand, Vietnam. Native.
6. Cymbidium dayanum Rchb.f., Gard. Chron., 1st Ser. 1869 (1869) 710; Cootes, Orch. Philip. (2001) 63; Cootes, Philippine Native Orchid Species (2011) 102; Type: from India. = Cymbidium dayanum var. austrojaponicum Tuyama, Iconogr. Pl. Asiae Orient. 4 (1941) 363. Distribution: Bhutan, Borneo, Cambodia, China, India, Japan, Laos, Malay Peninsula, Myanmar, Philippines, Sumatra, Taiwan, Thailand, Vietnam. LUZON: Benguet, Mountain Province, Nueva Vizcaya. Notes: Commonly terrestrial but also found in hollow logs on trees, between 300-1800m. Native.
7. Cymbidium ensifolium (L.) Sw., Nova Acta Regiae Soc. Sci. Upsal., 2nd Ser. 6 (1799) 77; ≡ Epidendrum ensifolium L., Sp. Pl., 1st Ed. (1753) 954; Type: from India. = Cymbidium gonzalesii Quisumb., PJS 72 (1940) 485. Distribution: Cambodia, China, India, Japan, Java, Laos, Malaysia, New Guinea, Philippines, Sri Lanka, Taiwan, Thailand, Tibet, Vietnam. LUZON: Rizal, MINDANAO: Davao Oriental (photos), MINDORO. DAO category: Endangered. Native.
   • ssp. haematodes (Lindl.) Du Puy & P.J.Cribb ex Govaerts, World Checkl. Seed Pl. 3 (1999) 20; Cootes, Philippine Native Orchid Species (2011) 102; ≡ Cymbidium haematodes Lindl., Gen. Sp. Orchid. Pl. (1833) 162. Distribution: Borneo, Cambodia, China, India, Japan, Java, Laos, Malay Peninsula, New Guinea, Philippines, Ryukyu Isls, Sri Lanka, Sumatra, Taiwan, Thailand, Vietnam. LUZON: Rizal. Notes: Terrestrial, open grasslands, medium elevation, c. 800m. Native.
8. Cymbidium finlaysonianum Lindl., Gen. Sp. Orchid. Pl. (1833) 164; Lindl. in Wall., Cat. (1832) No. 7358, nom. inval., nom. nud.; Ames in Merrill, EPFP 1 (1925) 403; Cootes, Orch. Philip. (2001) 63; Cootes, Philippine Native Orchid Species (2011) 102. Distribution: Cambodia, Java, Laos, Malay Peninsula, Philippines, Thailand, Vietnam. BASILAN (photos), BOHOL, DINAGAT, LEYTE, LUZON: Albay, Bataan, Benguet, Bulacan, Isabela, Laguna, Quezon, Rizal, MINDANAO: Surigao del Norte, Zamboanga, MINDORO, PALAWAN, POLILLO, SAMAR, TAWI-TAWI. Notes: Usually epiphytic, sometimes lithophytic, usually in very well-lit sites. 0-300m to 400m (photos). Native.
9. Cymbidium lancifolium Hook., Exot. Fl. 1 (1823) t.51; Cootes, Philippine Native Orchid Species (2011) 103; Type: from Nepal. Distribution: Bangladesh, Bhutan, Borneo, Cambodia, China, Hong Kong, India, Japan, Java, Korea, Laos, Malay Peninsula, Moluccas, Myanmar, Nepal, New Guinea, Philippines, Ryukyu Isls, Sulawesi, Sumatra, Taiwan, Thailand, Tibet, Vietnam. LUZON: Aurora, MINDANAO: Davao Oriental (photos), NEGROS (photos). Notes: Terrestrial, 300-2300m. Native.
10. Cymbidium macrorhizon Lindl., Gen. Sp. Orchid. Pl. (1833) 162. Distribution: Cambodia, China, India, Japan, Korea, Laos, Myanmar, Nepal, Pakistan, Philippines, Taiwan, Thailand, Vietnam. Notes: Present in the Philippines according to Jim Cootes (pers. comm., 2-Jan-20). Native.
11. Cymbidium pubescens Lindl., Edwards's Bot. Reg. 26(Misc.) (1840) 75; Cootes, Orch. Philip. (2001) 64; Cootes, Philippine Native Orchid Species (2011) 103; ≡ Cymbidium bicolor ssp. pubescens (Lindl.) Du Puy & P.J.Cribb, Gen. Cymbidium (1988) 73. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sulawesi, Sumatra. MINDANAO: Agusan del Norte, Agusan del Sur, Sultan Kudarat (photos), NEGROS, PALAWAN. Notes: Present in Negros (Mt Talinis) according to Lucas Jeansonne, pers. comm. 12-Aug-18. Usually an epiphyte at low elevation. (?-)300m to 1080m (photos). Native.
12. Cymbidium sigmoideum J.J.Sm., Bull. Dépt. Agric. Indes Néerl. 13 (1907) 52; Naive et al., Lankasteriana 20 (2020) 218; Type: from Java. Distribution: Borneo, Java, Philippines, Sumatra. PANAY. Notes: 1500-1600m. Conservation status: Vulnerable A1cd; B1ab (Du Puy & Cribb 2007). Native.

Possibly present

1. Cymbidium bicolor Lindl., Gen. Sp. Orchid. Pl. (1833) 164. Distribution: Andaman Isls, Borneo, India, Java, Lesser Sunda Isls, Malay Peninsula, Nicobar Isls, ?Philippines, Sri Lanka, Sulawesi, Sumatra.

Cymboglossum (Schltr.) Rauschert

1. Cymboglossum cymbidiifolium (Ridl.) Ormerod & Cootes, Harvard Pap. Bot. 24 (2019) 282; Enriquez et al., Fl. Plants Mt. Apo Natural Park (2024) 97; Odulio et al., Biodivers. Data J. 14 (2026) 28; ≡ Ascidieria cymbidiifolia (Ridl.) W.Suarez & Cootes, OrchideenJ. 2009 (2009) 71; Cootes, Philippine Native Orchid Species (2011) 33; ≡ Eria cymbidiifolia Ridl., J. Bot. 36 (1898) 212; Type: from Borneo. = Cymboglossum cymbiforme (J.J.Sm.) Rauschert, Feddes Repert. 94 (1983) 446; ≡ Eria cymbiformis J.J.Sm., Recueil Trav. Bot. Néerl. 1 (1904) 152; Ames in Merrill, EPFP 1 (1924) 367. Distribution: Borneo, Philippines, Sumatra. LEYTE, LUZON: Bataan, Cagayan, Laguna, Nueva Ecija, Nueva Vizcaya, Quezon, Rizal, MINDANAO: Bukidnon, Davao de Oro (photos), Davao del Sur, MINDORO, NEGROS, PANAY, SAMAR. Notes: Epiphytic. 500-1015m to 1300m (photos). Native.
2. Cymboglossum maculosum (Cabactulan, Cootes, M.Leon & R.B.Pimentel) Ormerod & Cootes, Harvard Pap. Bot. 24 (2019) 282; ≡ Ascidieria maculosa Cabactulan, Cootes, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 4; Type: M.D. De Leon MDL1803002 (CAHUP073542, holo), Mindanao: Bukidnon, c. 1200m, 3-Mar-18. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1200m. Native.
3. Cymboglossum palawanense (Ames) Ormerod & Cootes, Harvard Pap. Bot. 24 (2019) 282; ≡ Ascidieria palawanensis (Ames) W.Suarez & Cootes, OrchideenJ. 2009 (2009) 69; ≡ Eria palawanensis Ames, LPB 5 (1912) 1578; Ames in Merrill, EPFP 1 (1925) 373; Type: Elmer 13209 (AMES, holo), Palawan: Puerto Princesa, Mt Pulgar, May-1911. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon (photos), PALAWAN. DAO category: Vulnerable. Native.
4. Cymboglossum zamboangense (Ames) Ormerod & Cootes, Harvard Pap. Bot. 24 (2019) 282; ≡ Ascidieria zamboangensis (Ames) W.Suarez & Cootes, OrchideenJ. 2009 (2009) 69; ≡ Eria zamboangensis Ames, Orchidaceae 5 (1915) 160; Ames in Merrill, EPFP 1 (1925) 376; Type: Merrill 8143 (AMES, holo), Mindanao: Zamboanga, Sax River, Nov/Dec-1911. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Misamis Oriental (photos), Zamboanga del Sur. Notes: Epiphytic in mossy forest. 1000m (photos) to 1100-1830m. Native.

Cyrtosia Blume

1. Cyrtosia javanica Blume, Bijdr. fl. Ned. Ind. (1825) 396; ≡ Galeola javanica (Blume) Benth. & Hook.f., Gen. Pl. (Bentham & Hooker f.) 3 (1883) 590; Type: from Java. Distribution: India, Java, Malaysia, Philippines, Sri Lanka, Taiwan, Thailand, Vietnam. LUZON: Cagayan. Native.

Cystorchis Blume

1. Cystorchis aphylla Ridl., J. Linn. Soc., Bot. 32 (1896) 400; Ames in Merrill, EPFP 1 (1924) 273; Cootes, Philippine Native Orchid Species (2011) 103. Distribution: Borneo, Java, Malay Peninsula, Philippines, Singapore, Thailand. LEYTE (photos), LUZON: Bataan, Benguet, Pampanga, Rizal, MINDANAO: Cotabato, Surigao del Norte, PANAY (photos). Notes: Terrestrial in forest at mid-elevation. Native.
2. Cystorchis javanica (Blume) Blume, Fl. Javae Orch. (1858) 73; Orch. Arch. Ind. (1859) 87; Ames in Merrill, EPFP 1 (1924) 274; ≡ Hetaeria javanica Blume, Bijdr. fl. Ned. Ind. (1825) 410. Distribution: Borneo, Java, Malay Peninsula, New Guinea, Philippines, Sumatra. MINDANAO: Davao. Native.
3. Cystorchis luzonensis Ames, Orchidaceae 5 (1915) 33; Ames in Merrill, EPFP 1 (1924) 274; Cootes, Orch. Philip. (2001) 64; Cootes, Philippine Native Orchid Species (2011) 104. Distribution: Endemic to the Philippines. LUZON: Laguna, MINDORO, PANAY. Notes: Terrestrial in forest, in shaded and damp sites, 800-1600m. Native.

Dendrobium Sw.

1. Dendrobium aclinia Rchb.f., Bonplandia 4 (1856) 329; Ames in Merrill, EPFP 1 (1924) 342. Distribution: Endemic to the Philippines. LUZON: Isabela, Rizal, Zambales. Notes: Epiphytic. Up to 300m elevation in Rizal. Native.
2. Dendrobium acuminatissimum (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 86; Ames in Merrill, EPFP 1 (1924) 342; ≡ Grastidium acuminatissimum Blume, Bijdr. fl. Ned. Ind. (1825) 333. Distribution: Borneo, Java, Lesser Sunda Isls, Moluccas, New Guinea, Philippines, Sumatra. LUZON: Laguna, MINDANAO: Cotabato. Native.
3. Dendrobium agusanense Ames, Schedul. Orchid. 6 (1923) 79; Ames in Merrill, EPFP 1 (1924) 343; ≡ Grastidium agusanense (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1997) 57; Type: Elmer 12462. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte, Surigao del Norte. Notes: Elevation 330m. Native.
4. Dendrobium albayense Ames, PJS 7c (1912) 14; Ames in Merrill, EPFP 1 (1924) 343; ≡ Aporum albayense (Ames) M.A.Clem., Telopea 10 (2003) 294; Cootes, Philippine Native Orchid Species (2011) 26. Distribution: Endemic to the Philippines. LEYTE, LUZON: Albay, Benguet, Laguna, Quezon, Rizal, MINDANAO: Agusan del Norte, Agusan del Sur, Cotabato, Davao, Surigao, Zamboanga del Norte (photos), NEGROS, PALAWAN, POLILLO, SAMAR. Notes: Epiphytic up to 900m. Fairly common. Native.
5. Dendrobium aliciae Ames & Quisumb., PJS 52 (1934) 443; ≡ Grastidium aliciae (Ames & Quisumb.) M.A.Clem. & D.L.Jones, Lasianthera 1 (1997) 58. Distribution: Endemic to the Philippines. Native.
6. Dendrobium aloifolium (Blume) Rchb.f., Ann. Bot. Syst. 6 (1861) 279; Cootes, Orch. Philip. (2001) 65; ≡ Aporum aloifolium (Blume) Brieger, Orchideen (Schlechter), 3rd Ed. 1 (1981) 676; Cootes, Philippine Native Orchid Species (2011) 26; ≡ Macrostomium aloifolium Blume, Bijdr. fl. Ned. Ind. (1825) 355. Distribution: Borneo, Cambodia, Java, Laos, Malay Peninsula, New Guinea, Philippines, Thailand, Vietnam. LUZON: Nueva Vizcaya, MINDORO. Notes: Epiphytic in rather well-lit sites, to 300m. Conservation status: Least Concern (IUCN 3.1). Native.
7. Dendrobium amethystoglossum Rchb.f., Gard. Chron., 1st Ser. 1872 (1872) 109; Ames in Merrill, EPFP 1 (1924) 343; Cootes, Orch. Philip. (2001) 66; Cootes, Philippine Native Orchid Species (2011) 104; ≡ Pedilonum amethystoglossum (Rchb.f.) M.A.Clem., Telopea 10 (2003) 288. Distribution: Endemic to the Philippines. LUZON: Abra (photos), Benguet, Mountain Province, Nueva Ecija, Nueva Vizcaya, Pangasinan, ?MINDORO. Notes: Epiphyte, usually in brightly-lit sites above 820m (photos) and 1000m. Native.
8. Dendrobium annemarieae Cabactulan, Cootes, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 10; Type: M.D. De Leon MDL1803023 (CAHUP073647, holo), Mindanao: Bukidnon, 1500m, 3-Mar-18. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Native.
9. Dendrobium anosmum Lindl., Edwards's Bot. Reg. 31(Misc.) (1845) 32; Ames in Merrill, EPFP 1 (1924) 343; Cootes, Orch. Philip. (2001) 66; Cootes, Philippine Native Orchid Species (2011) 104. = Dendrobium superbum Rchb.f., Ann. Bot. Syst. 6 (1861) 282. = Dendrobium anosmum var. dearei (Rolfe) Ames & Quisumb., PJS 56 (1935) 435; Cootes, Philippine Native Orchid Species (2011) 105; ≡ Dendrobium superbum var. dearei Rolfe, Lindenia 6 (1891) 52. = Dendrobium anosmum var. huttonii (Rchb.f.) Ames & Quisumb., PJS 56 (1935) 454; Cootes, Philippine Native Orchid Species (2011) 105; ≡ Dendrobium superbum var. huttonii Rchb.f., Gard. Chron., 1st Ser. 1869 (1869) 1206. = Dendrobium superbum var. giganteum Rchb.f., Ann. Bot. Syst. 6 (1861) 283. Distribution: Borneo, Hong Kong, India, Java, Laos, Malay Peninsula, Moluccas, Myanmar, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam. BOHOL, CEBU (photos), LEYTE, LUZON: Abra, Benguet, Cavite (photos), Ilocos Sur (photos), Mountain Province, Nueva Vizcaya, Rizal, MINDANAO: Cotabato (photos), Davao, MINDORO, SAMAR (photos). Notes: Epiphyte. Native.
10. Dendrobium aphyllum (Roxb.) C.E.C.Fisch., Fl. Madras 3 (1928) 1416; Cootes, Philippine Native Orchid Species (2011) 105; ≡ Limodorum aphyllum Roxb., Pl. Coromandel 1 (1795) 34. = Dendrobium cucullatum R.Br., Bot. Reg. 7 (1821) t.548. Distribution: Cambodia, India to China, Laos, Malay Peninsula, Myanmar, Philippines, Thailand, Vietnam. LEYTE, MINDORO. Notes: Epiphyte, c. 1000m. Native.
11. Dendrobium auriculatum Ames & Quisumb., PJS 49 (1932) 488; Cootes, Orch. Philip. (2001) 67; Cootes, Philippine Native Orchid Species (2011) 105. Distribution: Endemic to the Philippines. LUZON: Albay (photos), Bulacan, Camarines Sur (photos), Mountain Province, Nueva Ecija, Nueva Vizcaya, Quezon, MINDANAO: Davao, Davao Oriental (photos), MINDORO, NEGROS (photos), PANAY (photos). Notes: Epiphyte or lithophyte. 560m (photos) to 900m. Native.
12. Dendrobium balzerianum Fessel & Lückel, Orchidee (Hamburg) 48 (1997) 173; Cootes, Orch. Philip. (2001) 68; ≡ Euphlebium balzerianum (Fessel & Lückel) M.A.Clem. & Cootes, OrchideenJ. 2009 (2009) 26; Cootes, Philippine Native Orchid Species (2011) 155. Distribution: Endemic to the Philippines. LEYTE. Notes: Epiphytic, up to 300m. Native.
13. Dendrobium basilanense Ames, PJS 7c (1912) 14; Ames in Merrill, EPFP 1 (1924) 345; ≡ Aporum basilanense (Ames) M.A.Clem., Telopea 10 (2003) 295. Distribution: Endemic to the Philippines. BASILAN, LUZON: Rizal, MINDANAO: Agusan, Agusan del Norte, Zamboanga, Zamboanga del Sur, PANAY, SULU ARCHIPELAGO. Notes: Epiphytic, sea-level to 400m. Native.
14. Dendrobium bicaudatum Reinw. ex Lindl., J. Proc. Linn. Soc., Bot. 3 (1859) 20; Cootes, Orch. Philip. (2001) 68; Cootes, Philippine Native Orchid Species (2011) 106; ≡ Ceratobium bicaudatum (Reinw. ex Lindl.) M.A.Clem. & D.L.Jones, Orchadian 13 (2002) 486. = Dendrobium burbidgei Rchb.f., Gard. Chron., n.s. 10 (1878) 300. Distribution: Moluccas, Philippines, Sulawesi. MINDANAO: Agusan, Bukidnon, NEGROS, SULU ARCHIPELAGO. Notes: Epiphyte up to 300m. Conservation status: Least Concern (IUCN 3.1). Native.
15. Dendrobium bicolense Lubag-Arquiza, J. Orchideenfr. 13 (2006) 337; ≡ Euphlebium bicolense (Lubag-Arquiza) M.A.Clem. & Cootes, OrchideenJ. 2009 (2009) 26; Cootes, Philippine Native Orchid Species (2011) 155. Distribution: Endemic to the Philippines. LUZON: Albay, Aurora, Camarines (photos), Laguna (photos), Quezon, Sorsogon. Notes: Epiphytic. 800m (photos). Native.
16. Dendrobium blanche-amesiae A.D.Hawkes & A.H.Heller, Lloydia 20 (1957) 119; ≡ Grastidium blanche-amesiae (A.D.Hawkes & A.H.Heller) M.A.Clem. & D.L.Jones, Lasianthera 1 (1997) 64; Cootes, Philippine Native Orchid Species (2011) 167. = Dendrobium verruculosum Ames, PJS 8c (1913) 426; Ames in Merrill, EPFP 1 (1924) 357; Type: Lyon 143 (AMES, holo; AMES, iso), Philippines: 1909. Distribution: Endemic to the Philippines. LEYTE, LUZON: Ilocos Norte, Quezon, Rizal, Sorsogon. Notes: Epiphytic, up to 300m. Native.
17. Dendrobium blumei Lindl., Gen. Sp. Orchid. Pl. (1830) 88; Cootes, Orch. Philip. (2001) 69; Cootes, Philippine Native Orchid Species (2011) 106; ≡ Onychium fimbriatum Blume, Bijdr. fl. Ned. Ind. (1825) 325. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sumatra, Thailand. BASILAN, LEYTE, MINDANAO: Agusan del Norte, Bukidnon, Lanao, Surigao, Zamboanga, SAMAR. Notes: Epiphytic. Sometimes in swamps, to 1000m. Native.
18. Dendrobium boosii Cootes & W.Suarez, Austral. Orchid Rev. 76(4) (2011) 49; Cootes, Philippine Native Orchid Species (2011) 106. Distribution: Endemic to the Philippines. LEYTE. Notes: Epiphyte, c. 700m. Native.
19. Dendrobium bukidnonense Ames & Quisumb., PJS 59 (1936) 5; Cootes, Philippine Native Orchid Species (2011) 107; ≡ Ceraia bukidnonensis (Ames & Quisumb.) M.A.Clem., Telopea 10 (2003) 291. Distribution: Endemic to the Philippines. LEYTE, MINDANAO: Bukidnon, Misamis, Misamis Oriental (photos). Notes: Epiphytic, up to 800m. Native.
20. Dendrobium bullenianum Rchb.f., Bot. Zeitung (Berlin) 20 (1862) 214.; Ames, PJS 7c (1912) 14; Ames in Merrill, EPFP 1 (1924) 345; Cootes, Orch. Philip. (2001) 70; Cootes, Philippine Native Orchid Species (2011) 107. = Dendrobium topaziacum Ames, Orchidaceae 5 (1915) 140; Ames in Merrill, EPFP 1 (1924) 357. Distribution: Endemic to the Philippines. BABUYAN, BUCAS GRANDE, LEYTE, LUZON: Apayao (photos), Camarines Sur, Isabela, Quezon, MINDANAO: Bukidnon (photos), Zamboanga del Norte (photos), MINDORO, NEGROS (photos). Notes: 300m (photos). DAO category: Endangered. Native.
21. Dendrobium bursigerum Lindl., J. Proc. Linn. Soc., Bot. 3 (1859) 16; Cootes, Philippine Native Orchid Species (2011) 107; ≡ Pedilonum bursigerum (Lindl.) Rauschert, Feddes Repert. 94 (1983) 458. ≠ Dendrobium secundum auct. non (Blume) Lindl.; Ames in Merr., EPFP 1 (1924) 355; Cootes, Orch. Philip. (2001) 89; Cortez et al., Check List 19 (2023) 989. Distribution: Endemic to the Philippines. BUCAS GRANDE (photos), LEYTE, LUZON: Aurora (photos), Bataan, Camarines, Camarines Sur, Nueva Vizcaya (photos), Rizal, MINDANAO: Agusan del Norte, Agusan del Sur, Davao, Lanao, Surigao, NEGROS, SIARGAO. Notes: Epiphytic. 0-500m. DAO category: Vulnerable (as Dendrobium secundum). Native.
22. Dendrobium busuangense Ames, Orchidaceae 6 (1920) 296; Ames in Merrill, EPFP 1 (1924) 346; ≡ Durabaculum busuangense (Ames) M.A.Clem. & D.L.Jones, Orchadian 13 (2002) 487; Type: Taylon s.n. Distribution: Endemic to the Philippines. BUSUANGA, CALAMIANES. Native.
23. Dendrobium butchcamposii Cootes, M.Leon & R.Boos, OrchideenJ. 2016 (2016) 5; Type: M.D. De Leon cult. MDL 006/2016 (CMUH00010805, holo), Mindanao: Misamis Oriental, 22-May-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1200m. Native.
24. Dendrobium cabadbarense Ames, Orchidaceae 5 (1915) 117; Ames in Merrill, EPFP 1 (1924) 346; ≡ Ceraia cabadbarensis (Ames) W.Suarez, OrchideenJ. 2010 (2010) 12. Distribution: Endemic to the Philippines. LUZON: Quezon, Rizal, MINDANAO: Agusan del Norte, Davao, Davao de Oro, Surigao. Native.
25. Dendrobium candoonense Ames, Orchidaceae 7 (1922) 94; Ames in Merrill, EPFP 1 (1924) 346; ≡ Flickingeria candoonensis (Ames) Seidenf., Dansk Bot. Ark. 34 (1980) 17. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Native.
26. Dendrobium carinatum (L.) Willd., Sp. Pl., 4th Ed. 4 (1805) 133; Ames in Merrill, EPFP 1 (1924) 346; Cootes, Orch. Philip. (2001) 70; ≡ Ceraia carinata (L.) M.A.Clem., Telopea 10 (2003) 291; ≡ Bulbophyllum carinatum (L.) Náves, Fl. Filip., 3rd Ed. 4(Nov. App.) (1880) 235; ≡ Epidendrum carinatum L., Sp. Pl., 1st Ed. (1753) 953; Type: FB 6315 Curran. = Ceraia robinsonii (Ames) M.A.Clem., Telopea 10 (2003) 293; ≡ Dendrobium robinsonii Ames, PJS 8c (1914) 425; Cootes, Philippine Native Orchid Species (2011) 120. Distribution: Endemic to the Philippines. LUZON: Aurora (photos), Mountain Province, Nueva Vizcaya, Quezon, Rizal, Zambales, MINDORO. Notes: Epiphytic, up to 1000m. Native.
27. Dendrobium carmindae M.Leon, Cootes & R.Boos, OrchideenJ. 2016 (2016) 33; Type: M.D. De Leon s.n. (CMUH009836, holo), Mindanao, 15-Nov-15. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon (photos). Notes: c. 800-880m. Native.
28. Dendrobium ceraula Rchb.f., Linnaea 41 (1876) 40; Ames in Merrill, EPFP 1 (1924) 346; Cootes, Orch. Philip. (2001) 70; Cootes, Philippine Native Orchid Species (2011) 108. = Dendrobium gonzalesii Quisumb., PJS 66 (1938) 143. Distribution: Endemic to the Philippines. CAMIGUIN (photos), LUZON: Albay, Camarines Sur (photos). Notes: Epiphytic. 1300-1400(-?)m. Native.
29. Dendrobium cerinum Rchb.f., Gard. Chron., n.s. 12 (1879) 554; Cootes, Orch. Philip. (2001) 71; Cootes, Philippine Native Orchid Species (2011) 108. Distribution: Endemic to the Philippines. LUZON: Rizal. Notes: Epiphytic, c. 800m. Native.
30. Dendrobium chameleon Ames, Orchidaceae 2 (1908) 174; Ames in Merrill, EPFP 1 (1924) 346; Cootes, Orch. Philip. (2001) 72; Cootes, Philippine Native Orchid Species (2011) 108; Type: R.S. Williams 1940 (NY, holo; AMES, K, NY, iso), Luzon: Benguet, Baguio, 30-Sep-1904. Distribution: Philippines, Taiwan. LUZON: Benguet, Laguna, Mountain Province, Nueva Vizcaya (photos), Pampanga, Sorsogon, MINDORO, NEGROS (photos). Notes: Epiphytic, above 1000m. Native.
    • ssp. chameleon. Native.
      • forma alba Ames & Quisumb., PJS 44 (1931) 372. Distribution: Endemic to the Philippines. Native.
      • var. ovatilabium Ames & Quisumb., PJS 44 (1931) 372; Cootes, Orch. Philip. (2001) 72; Cootes, Philippine Native Orchid Species (2011) 109. Distribution: LUZON: Benguet, Pampanga, MINDORO. Notes: Epiphytic, above 1000m. Native.
31. Dendrobium chloranthum Schuit. & Peter B.Adams, Muelleria 29 (2011) 68; ≡ Grastidium chlorinum M.A.Clem. & Cootes, OrchideenJ. 2009 (2009) 25; Cootes, Philippine Native Orchid Species (2011) 167. Distribution: Endemic to the Philippines. LUZON: Nueva Vizcaya, ?MINDANAO: ?Davao del Sur. Notes: Epiphytic, c. 1200m. Native.
32. Dendrobium chrysographatum Ames, Orchidaceae 5 (1915) 119; Ames in Merrill, EPFP 1 (1924) 346; ≡ Flickingeria chrysographata (Ames) A.D.Hawkes, Orchid Weekly 2 (1961) 452; Orquídea (Rio de Janeiro) 27 (1965) 302; Cootes, Philippine Native Orchid Species (2011) 157; ≡ Ephemerantha chrysographata (Ames) P.F.Hunt & Summerh., Taxon 10 (1961) 103. Distribution: Endemic to the Philippines. LUZON: Aurora, Bataan, Benguet, Mountain Province, Quezon, Rizal, Zambales. Notes: Epiphytic, 500-2000m. Native.
33. Dendrobium clemensiae Ames, PJS 7c (1912) 16; Ames in Merrill, EPFP 1 (1924) 346; ≡ Diplocaulobium clemensiae (Ames) A.D.Hawkes, Lloydia 20 (1957) 128; Cootes, Philippine Native Orchid Species (2011) 147. Distribution: Endemic to the Philippines. BASILAN, LEYTE, MINDANAO: Davao Oriental (photos), Lanao, Surigao, NEGROS, SULU ARCHIPELAGO. Notes: Epiphytic, up to 800m. Native.
34. Dendrobium comatum (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 76; ≡ Flickingeria comata (Blume) A.D.Hawkes, Orchid Weekly 2 (1961) 453; ≡ Ephemerantha comata (Blume) P.F.Hunt & Summerh., Taxon 10 (1961) 103; ≡ Desmotrichum comatum Blume, Bijdr. fl. Ned. Ind. (1825) 329; Type: from Java. = Flickingeria fimbriatolabellum (Hayata) A.D.Hawkes, Orchid Weekly 2 (1961) 454; ≡ Ephemerantha fimbriatolabella (Hayata) P.F.Hunt & Summerh., Taxon 10 (1961) 104; ≡ Dendrobium fimbriatolabellum Hayata, Icon. Pl. Formosan. 4 (1914) 38; Type: not from the Philippines. Distribution: Australia, Java, Malaysia, New Guinea, Pacific Ocean, Philippines, Taiwan. LUZON: Quezon. Native.
35. Dendrobium conanthum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 550; Cootes, Orch. Philip. (2001) 73; Cootes, Philippine Native Orchid Species (2011) 109. Distribution: Bismarck Arch, New Guinea, Pacific Ocean, Philippines, Solomon Isls. BUSUANGA, CALAMIANES, PALAWAN. Notes: Epiphytic, to 300m. Native.
36. Dendrobium connatum (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 89; ≡ Onychium connatum Blume, Bijdr. fl. Ned. Ind. (1825) 328. Distribution: Borneo, Java, Malaysia, Moluccas, Philippines, Sumatra, Thailand. MINDANAO: Bukidnon. Native.
37. Dendrobium convexum (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 76; ≡ Flickingeria convexa (Blume) A.D.Hawkes, Orchid Weekly 2 (1961) 453; Cootes, Philippine Native Orchid Species (2011) 157; ≡ Desmotrichum convexum Blume, Bijdr. fl. Ned. Ind. (1825) 330. Distribution: Australia, Borneo, Java, Malay Peninsula, Philippines, Solomon Isls, Sumatra, Thailand. LEYTE, MINDANAO: Cotabato, Davao del Sur (photos), MINDORO. Notes: Epiphytic, up to 600m. Native.
38. Dendrobium crassimarginatum L.O.Williams, Bot. Mus. Leafl. 5 (1937) 42; Cootes, Philippine Native Orchid Species (2011) 109. Distribution: Endemic to the Philippines. LEYTE, MINDANAO: Agusan. Notes: Epiphytic, 600-1000m. Conservation status: Endangered (IUCN 3.1). Native.
39. Dendrobium crumenatum Sw., J. Bot. (Schrader) 1799 (1800) 237; Ames in Merrill, EPFP 1 (1924) 346; Cootes, Orch. Philip. (2001) 73; Cootes, Philippine Native Orchid Species (2011) 110; Raganas et al., Biodiversitas 26 (2025) 1195; Type: from Indonesia. = Dendrobium simplicissimum (Lour.) Kraenzl., Pflanzenr. (Engler) IV (50 II B 21) (1910) 235; ≡ Ceraia simplicissima Lour., Fl. Cochinch. (1790) 518. = Ceraia saaronica (J.Koenig) M.A.Clem. & D.L.Jones, Orchadian 13 (2002) 486; ≡ Epidendrum saaronicum J.Koenig, Observ. Bot. (Retzius) 6 (1791) 58. Distribution: Andaman Isls, Borneo, Cambodia, China, India, Java, Laos, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, Philippines, Sri Lanka, Sulawesi, Sumatra, Taiwan, Thailand, Vietnam. BALABAC, BATAN, BOHOL, CAMIGUIN DE BABUYANES, CEBU (photos), DINAGAT (photos), LEYTE, LUZON: Albay (photos), Benguet, Camarines, Quezon, Rizal, MINDANAO: Agusan del Norte, Agusan del Sur, Bukidnon (photos), Davao, Davao del Norte, Lanao del Sur (photos), Surigao, Surigao del Norte, Zamboanga del Norte (photos), MINDORO, PALAWAN, POLILLO, SAMAR. Notes: Common and widely distributed throughout the Philippines. 0-790m (photos). Native.
40. Dendrobium davaoense Lubag-Arquiza, Austral. Orchid Rev. 71(1) (2006) 22; Cootes, Philippine Native Orchid Species (2011) 110; Type: Lubag-Arquiza MARS2001.001 (ONUPLB, holo), Mindanao; Davao City, Marilog, 11-Sep-2001. Distribution: Endemic to the Philippines. MINDANAO: Davao del Sur. Notes: Epiphytic. 1100m. Native.
41. Dendrobium dearei Rchb.f., Gard. Chron., n.s. 18 (1882) 361; Ames in Merrill, EPFP 1 (1924) 348; Cootes, Orch. Philip. (2001) 75; Cootes, Philippine Native Orchid Species (2011) 110; Cortez et al., Check List 19 (2023) 989. Distribution: Endemic to the Philippines. DINAGAT, LUZON: Aurora (photos), MINDANAO: Bukidnon (photos), MINDORO, SIARGAO. Notes: E coast of entire Philippines. Epiphytic. 0-500m. Native.
42. Dendrobium decoratum (M.A.Clem. & Cootes) Schuit. & Peter B.Adams, Muelleria 29 (2011) 66; ≡ Euphlebium decoratum M.A.Clem. & Cootes, OrchideenJ. 2009 (2009) 25; Cootes, Philippine Native Orchid Species (2011) 155. Distribution: Endemic to the Philippines. LUZON: Nueva Ecija, Nueva Vizcaya. Notes: Epiphytic, c. 1000m. Native.
43. Dendrobium deleonii Cabactulan, Cootes & R.B.Pimentel, OrchideenJ. 2018 (2018) 10; Type: M.D. De Leon MDL1803010 (CAHUP073550, holo), Mindanao: Bukidnon, c. 1300m, 2-Mar-2018. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Native.
44. Dendrobium derekcabactulanii Cootes, R.B.Pimentel & M.Leon, OrchideenJ. 2017 (2017) 5; Type: M.D. De Leon 003/2017 (CMUH, holo), Mindanao: Bukidnon, 4-Nov-16. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1600m. Native.
45. Dendrobium diffusum L.O.Williams, Bot. Mus. Leafl. 5 (1937) 44; Type: Elmer 11502 (AMES), Mindanao: Davao, Todaya (Mt Apo), Cati Creek, Aug-1909, 5750ft. Distribution: Endemic to the Philippines. MINDANAO: Davao del Sur. Notes: 1753m. Native.
46. Dendrobium dimorphum J.J.Sm., Bull. Jard. Bot. Buitenzorg, 3rd Sér. 11 (1930) 75; ≡ Flickingeria dimorpha (J.J.Sm.) S.Thomas, Schuit. & de Vogel, Lindleyana 17 (2002) 35. Distribution: Philippines, Sulawesi. Notes: Present in the Philippines according to Jim Cootes (pers. comm., 2-Jan-20). Native.
47. Dendrobium distichum (C.Presl) Rchb.f., Linnaea 41 (1876) 39; Ames in Merrill, EPFP 1 (1924) 348; Cootes, Orch. Philip. (2001) 75; ≡ Aporum distichum (C.Presl) Rauschert, Feddes Repert. 94 (1983) 439; Cootes, Philippine Native Orchid Species (2011) 27; ≡ Schismoceras disticha C.Presl, Reliq. Haenk. 1 (1827) 96. Distribution: Endemic to the Philippines. LUZON: Albay, Aurora, Bataan, Benguet, Camarines, Ifugao, Laguna, Nueva Vizcaya, Quezon, Rizal, Sorsogon, Zambales, MINDANAO: Surigao, MINDORO, PALAWAN, PANAY (photos), POLILLO, SULU ARCHIPELAGO. Notes: Epiphyte to 900m. Fairly common in Luzon. Native.
48. Dendrobium elineae (Calaramo, Naive, Cootes, H.Nuytemans & J.C.Martyr) Naive & Calaramo, Lankesteriana 19 (2019) 21; ≡ Euphlebium elineae Calaramo, Naive, Cootes, H.Nuytemans & J.C.Martyr, OrchideenJ. 2017 (2017) 165; Type: M. Calaramo 10699 (HNUL007903, holo), Luzon: Ilocos Norte, Adams, Mt Palemlem, 17-Apr-2009. Distribution: Endemic to the Philippines. LUZON: Apayao (photos), Ilocos Norte. Notes: P.B. Pelser (20-Dec-2017): Naive MAKN 023 (CMUH00010911) is incorrectly listed as an isotype, but is in effect a paratype. 400-700m. Native.
49. Dendrobium equitans Kraenzl., Pflanzenr. (Engler) IV (50 II B 21) (1910) 228; Cootes, Orch. Philip. (2001) 76; Cootes, Philippine Native Orchid Species (2011) 110; ≡ Ceraia equitans (Kraenzl.) M.A.Clem., Telopea 10 (2003) 291; ≡ Aporum equitans (Kraenzl.) Brieger, Orchideen (Schlechter), 3rd Ed. 1 (1981) 673; Type: from Taiwan. = Dendrobium batanense Ames & Quisumb., PJS 47 (1932) 200. Distribution: Philippines, Taiwan. BATAN, BATANES, LUZON: Cagayan, MINDORO. Notes: Epiphytic, c. 600m. Native.
50. Dendrobium erosum (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 86; Cootes, Philippine Native Orchid Species (2011) 111; ≡ Chromatotriccum erosum (Blume) D.L.Jones & M.A.Clem., Orchadian 13 (2002) 494; ≡ Pedilonum erosum Blume, Bijdr. fl. Ned. Ind. (1825) 320. Distribution: Borneo, Java, Malay Peninsula, New Guinea, Pacific Ocean, Philippines, Sumatra, Thailand. LUZON: Benguet (photos), ?Mountain Province, Nueva Vizcaya, MINDANAO: Bukidnon (photos). Notes: Epiphytic, c. 1000m. Native.
51. Dendrobium escritorii Ames, Orchidaceae 5 (1915) 123; Ames in Merrill, EPFP 1 (1924) 348; Cootes, Philippine Native Orchid Species (2011) 111; Cortez et al., Check List 19 (2023) 989; ≡ Ceraia escritorii (Ames) W.Suarez, OrchideenJ. 2010 (2010) 12; ≡ Aporum escritorii (Ames) M.A.Clem., Telopea 10 (2003) 295. Distribution: Endemic to the Philippines. LUZON: Camarines Norte, Camarines Sur, Laguna, Quezon, MINDANAO: Davao, Surigao, Surigao del Norte, SIARGAO. Notes: Epiphytic, low elevation. 0m. Native.
52. Dendrobium eurorum Ames, Orchidaceae 5 (1915) 124; Ames in Merrill, EPFP 1 (1924) 348; ≡ Flickingeria eurorum (Ames) A.D.Hawkes, Orchid Weekly 2 (1961) 454; Orquídea (Rio de Janeiro) 27 (1965) 303; ≡ Ephemerantha eurorum (Ames) P.F.Hunt & Summerh., Taxon 10 (1961) 103; ≡ Desmotrichum eurorum (Ames) A.D.Hawkes, Lloydia 20 (1957) 125. Distribution: Endemic to the Philippines. LEYTE, LUZON: Bataan, Benguet, Laguna, Rizal, MINDANAO: Surigao, MINDORO, PANAY. Native.
53. Dendrobium fairchildiae Ames & Quisumb., PJS 47 (1932) 202; Cootes, Philippine Native Orchid Species (2011) 111. Distribution: Endemic to the Philippines. CATANDUANES, DINAGAT, LUZON: Apayao (photos), Mountain Province, Nueva Ecija, Nueva Vizcaya (photos), Rizal. Notes: Epiphytic or lithophytic. 1200m. Native.
    • forma album Cootes, Austral. Orchid Rev. 66(3) (2001) 21; Cootes, Philippine Native Orchid Species (2011) 112. Distribution: Endemic to the Philippines. Notes: Albino form. Native.
    • forma fairchildiae. Distribution: Endemic to the Philippines. CATANDUANES, LUZON: Apayao (photos), Mountain Province, Nueva Ecija, Rizal. Notes: Epiphytic or lithophytic in shaded sites, up to 1200m. Native.
54. Dendrobium gerlandianum Kraenzl., Repert. Spec. Nov. Regni Veg. 6 (1909) 317; Ames in Merrill, EPFP 1 (1924) 348; Cootes, Orch. Philip. (2001) 77; Ormerod et al., Harvard Papers in Botany 24 (2019) 283; ≡ Ceraia gerlandiana (Kraenzl.) M.A.Clem., Telopea 10 (2003) 291; Type: Loher s.n. (B, holo, lost), Luzon: Manila, cult. Hort. Bot. Gard. Erlangen s.n., Jan-1909; Loher s.n. (M, isoepi), Luzon: Manila, cult. Hort. Bot. Gard. Erlangen s.n., Jan-1910. = Ceraia philippinensis (Ames) M.A.Clem., Telopea 10 (2003) 293; ≡ Dendrobium philippinense Ames, PJS 8c (1913) 424; Ames in Merrill, EPFP 1 (1924) 353; Cootes, Orch. Philip. (2001) 84; Cootes, Philippine Native Orchid Species (2011) 116; Type: Wenzel 6 (AMES, holo; GH, K, iso), Leyte: Dagami, 20-Nov-1912. Distribution: Endemic to the Philippines. LEYTE, LUZON: Bataan, Bulacan, Laguna, Quezon, Rizal, Zambales, MINDANAO, MINDORO, PALAWAN, PANAY, POLILLO, SAMAR. Notes: See note in Ormerod et al. (2019); epiphytic. 0-305m. Native.
55. Dendrobium ginalopeziae (Cootes, M.Leon & Naive) Naive & Alejandro, Phytotaxa 356 (2018) 100; ≡ Grastidium ginalopeziae Cootes, M.Leon & Naive, Die Orchidee 3 (2017) 5; Type: M.D. De Leon 026/2016 (CMUH, holo), Mindanao: Bukidnon, Kalatungan Mountain Range, 27-July-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1100-1300m. Native.
56. Dendrobium goldschmidtianum Kraenzl., Repert. Spec. Nov. Regni Veg. 7 (1909) 40; Cootes, Philippine Native Orchid Species (2011) 112; ≡ Pedilonum goldschmidtianum (Kraenzl.) Rauschert, Feddes Repert. 94 (1983) 460; Type: H. Goldschmidt-Essen s.n. (HBG, holo), cultivated, Jul-1907. = Dendrobium miyakei Schltr., Repert. Spec. Nov. Regni Veg. Beih. 4 (1919) 64; Hatusima, Mem. Fac. Agr. Kagoshima Univ. 5 (1966) 63. = Dendrobium irayense Ames & Quisumb., PJS 52 (1934) 446. Distribution: Philippines, Taiwan. BATANES, CAMIGUIN DE BABUYANES, LUZON (photos). Notes: Epiphytic, 200-1000m. DAO category: Endangered. Native.
57. Dendrobium guerreroi Ames & Quisumb., PJS 49 (1932) 489; Cootes, Philippine Native Orchid Species (2011) 112. Distribution: Endemic to the Philippines. DINAGAT, MINDORO. Notes: Epiphytic, up to 500m. Native.
58. Dendrobium hampelii Cootes & R.Boos, OrchideenJ. 2015 (2015) 8; Type: G. Hampel cult. (CMUH00009781, holo), Mindanao: Misamis Oriental, 28-Feb-15, c. 1200m. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon (photos), Misamis Oriental. Native.
59. Dendrobium hymenanthum Rchb.f., Bonplandia 3 (1855) 222; Ames in Merrill, EPFP 1 (1924) 350; Cootes, Philippine Native Orchid Species (2011) 112; ≡ Ceraia hymenantha (Rchb.f.) W.Suarez, OrchideenJ. 2010 (2010) 12; ≡ Bolbidium hymenanthum (Rchb.f.) Rauschert, Feddes Repert. 94 (1983) 433. = Dendrobium micholitzii Rolfe ex Ames, Proc. Biol. Soc. Washington 17 (1904) 119. Distribution: Malay Peninsula, Myanmar, Philippines, Thailand, Vietnam. BOHOL, ?BUCAS GRANDE (photos), LUZON: Bataan, Quezon, Rizal, MINDANAO: Bukidnon, POLILLO. Notes: Epiphyte, sometimes in mangrove trees, up to 300m. Native.
60. Dendrobium indivisum (Blume) Miq., Fl. Ned. Ind. 3 (1859) 630; ≡ Aporum indivisum Blume, Bijdr. fl. Ned. Ind. (1825) 334. Distribution: PALAWAN. Native.
    • var. indivisum. Distribution: Bangladesh to Malesia, Philippines. Native.
61. Dendrobium interjectum Ames, Orchidaceae 5 (1915) 125; Ames in Merrill, EPFP 1 (1924) 350; ≡ Flickingeria interjecta (Ames) A.D.Hawkes, Orchid Weekly 2 (1961) 454; Orquídea (Rio de Janeiro) 27 (1965) 304; Cootes, Philippine Native Orchid Species (2011) 158; ≡ Ephemerantha interjecta (Ames) P.F.Hunt & Summerh., Taxon 10 (1961) 104; ≡ Desmotrichum interjectum (Ames) A.D.Hawkes, Lloydia 20 (1957) 126. Distribution: Endemic to the Philippines. CEBU (photos), LEYTE, LUZON: Quezon, MINDANAO: Davao Oriental (photos), Misamis Oriental (photos), South Cotabato (photos), MINDORO, NEGROS (photos), PANAY. Notes: Epiphytic. (?-)750m to 900-1300m (photos). Native.
62. Dendrobium ionopus Rchb.f., Gard. Chron., n.s. 18 (1882) 808; Cootes, Orch. Philip. (2001) 79; Cootes, Philippine Native Orchid Species (2011) 113. = Dendrobium epidendropsis Kraenzl., Orchis 2 (1908) 79; Ames in Merrill, EPFP 1 (1924) 348. Distribution: Endemic to the Philippines. LUZON: Bataan, Benguet, Laguna (photos), Nueva Ecija, Nueva Vizcaya, Rizal. Notes: Epiphytic, c. 1200m. Native.
63. Dendrobium jimcootesii Cabactulan & M.Leon, Die Orchidee 2 (2016) 3; Type: M.D. De Leon s.n. (CMUH00010832, holo), Mindanao: Bukidnon, 5-Aug-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1400m. Native.
64. Dendrobium josephinae Cootes, Austral. Orchid Rev. 73(4) (2008) 24; ≡ Euphlebium josephinae (Cootes) M.A.Clem. & Cootes, OrchideenJ. 2009 (2009) 26; Cootes, Philippine Native Orchid Species (2011) 156. Distribution: Endemic to the Philippines. NEGROS. Notes: Epiphytic, c. 350m. Native.
65. Dendrobium junceum Lindl., Edwards's Bot. Reg. 28(Misc.) (1842) 9; Cootes, Orch. Philip. (2001) 80; Cootes, Philippine Native Orchid Species (2011) 113; ≡ Ceraia juncea (Lindl.) M.A.Clem., Telopea 10 (2003) 291; ≡ Aporum junceum (Lindl.) Rauschert, Feddes Repert. 94 (1983) 440. Distribution: Borneo, Philippines. BUCAS GRANDE, LEYTE, LUZON: Cagayan, Quezon, Rizal, MINDANAO: Surigao, Surigao del Norte. Notes: Epiphytic, c. 500m. Native.
66. Dendrobium junctilobum (Fessel & Lückel) Schuit. & Peter B.Adams, Muelleria 29 (2011) 67; ≡ Flickingeria junctiloba Fessel & Lückel, Orchidee (Hamburg) 49 (1998) 254; Cootes, Philippine Native Orchid Species (2011) 158. Distribution: Endemic to the Philippines. LEYTE, LUZON: Quezon. Notes: Epiphytic, 800-1000m. Native.
67. Dendrobium jyrdii Cabactulan, Cootes, M.Leon & R.B.Pimentel, OrchideenJ. 2018 (2018) 11; Type: M.D. De Leon MDL1803024 (CAHUP073649, holo), cult. from Palawan: 780m, 30-Apr-18. Distribution: Endemic to the Philippines. PALAWAN. Native.
68. Dendrobium lobbii Teijsm. & Binn., Natuurk. Tijdschr. Ned.-Indië 5 (1853) 491; ≡ Conostalix lobbii (Teijsm. & Binn.) Rauschert, Feddes Repert. 94 (1983) 444. Distribution: Philippines. BOHOL, SAMAR. Native.
69. Dendrobium loherianum Kraenzl., Ann. Naturhist. Hofmus. Wien 30 (1916) 62; Ames in Merrill, EPFP 1 (1924) 350; ≡ Flickingeria loheriana (Kraenzl.) W.Suarez, OrchideenJ. 2010 (2010) 14. Distribution: Endemic to the Philippines. Native.
70. Dendrobium lunatum Lindl., J. Proc. Linn. Soc., Bot. 3 (1859) 4; Ames in Merrill, EPFP 1 (1924) 351; Cortez et al., Check List 19 (2023) 989; ≡ Aporum lunatum (Lindl.) M.A.Clem., Telopea 10 (2003) 296. Distribution: Endemic to the Philippines. DINAGAT (photos), LEYTE, LUZON: Quezon, MINDANAO: Sultan Kudarat (photos), PALAWAN, SIARGAO. Notes: Epiphytic. 0-500m. DAO category: Endangered. Native.
71. Dendrobium luxurians J.J.Sm., Bull. Jard. Bot. Buitenzorg, 3rd Sér. 3 (1921) 288; ≡ Flickingeria luxurians (J.J.Sm.) A.D.Hawkes, Orchid Weekly 2 (1961) 457; Orquídea (Rio de Janeiro) 27 (1965) 305; Cootes, Philippine Native Orchid Species (2011) 159; ≡ Desmotrichum luxurians (J.J.Sm.) Carr, Gard. Bull. Straits Settlem. 7 (1932) 9; ≡ Ephemerantha luxurians (J.J.Sm.) P.F.Hunt & Summerh., Taxon 10 (1961) 105. Distribution: Borneo, Java, Malay Peninsula, Philippines, Thailand. DINAGAT, MINDANAO: Surigao, TAWI-TAWI. Notes: Epiphytic, up to 300m. Native.
72. Dendrobium luzonense Lindl., Edwards's Bot. Reg. 30(Misc.) (1844) 54; Ames in Merrill, EPFP 1 (1924) 351; ≡ Grastidium luzonense (Lindl.) M.A.Clem. & D.L.Jones, Lasianthera 1 (1997) 89; Type: from Philippines. = Grastidium alagense (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1997) 57; Cootes, Philippine Native Orchid Species (2011) 167; ≡ Dendrobium alagense Ames, PJS 2c (1907) 328. Distribution: Philippines, Taiwan. CATANDUANES, LEYTE, LUZON: Albay, Aurora, Benguet, Isabela, Kalinga, Kalinga-Apayao, Laguna, Pangasinan, Quezon, Rizal, Sorsogon, MINDANAO: Agusan, Agusan del Norte, Davao, Davao del Norte, Lanao, Lanao del Sur, Zamboanga Sibugay, MINDORO, PALAWAN. Notes: Epiphytic, sea-level to 1300m. Fairly common. Native.
73. Dendrobium lydiae Cootes, M.Leon & Naive, OrchideenJ. 2016 (2016) 3; Type: M.D. De Leon MDL 014/2016 (CMUH00010803, holo), Mindanao: Bukidnon (cult. in Misamis Oriental), 27-May-2016. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1200m. Native.
74. Dendrobium macrophyllum A.Rich., Voy. Astrolabe 2 (1834) 22; ≡ Sayeria macrophylla (A.Rich.) Rauschert, Feddes Repert. 94 (1983) 467; ≡ Latourorchis macrophylla (A.Rich.) Brieger, Orchideen (Schlechter), 3rd Ed. 1 (1981) 727. Distribution: LUZON: Bataan, Rizal, MINDANAO: Zamboanga del Norte (photos). Conservation status: Least Concern (IUCN 3.1). Native.
    • var. macrophyllum. Distribution: Malesia, Pacific Ocean, Philippines. Native.
75. Dendrobium marivelense Ames, Orchidaceae 2 (1908) 180; Ames in Merrill, EPFP 1 (1924) 351; ≡ Ceraia marivelensis (Ames) W.Suarez, OrchideenJ. 2010 (2010) 12; ≡ Aporum marivelense (Ames) Rauschert, Feddes Repert. 94 (1983) 440. Distribution: Endemic to the Philippines. LUZON: Bataan, MINDANAO: Bukidnon (photos). Notes: Possibly a synonym of Dendrobium parciflorum Rchb.f. ex Lindl. 1050m (photos). Native.
76. Dendrobium masarangense Schltr., Repert. Spec. Nov. Regni Veg. 10 (1911) 78; Type: from Indonesia. Distribution: Java, New Guinea, Pacific Ocean, Philippines. Native.
77. Dendrobium merrillii Ames, Orchidaceae 2 (1908) 181; Ames in Merrill, EPFP 1 (1924) 352; Cootes, Orch. Philip. (2001) 80; Cortez et al., Check List 19 (2023) 989; ≡ Aporum merrillii (Ames) M.A.Clem., Telopea 10 (2003) 296; Cootes, Philippine Native Orchid Species (2011) 27. Distribution: Endemic to the Philippines. LEYTE, LUZON: Ifugao, Pangasinan, Quezon, Rizal, MINDORO, PALAWAN, SAMAR, SIARGAO. Notes: Epiphytic. 0-350m. Conservation status: Least Concern (IUCN 3.1). Native.
78. Dendrobium microphyton L.O.Williams, Bot. Mus. Leafl. 5 (1937) 47; ≡ Cadetia microphyton (L.O.Williams) Christenson, Lindleyana 7 (1992) 89; Cootes, Philippine Native Orchid Species (2011) 67. Distribution: Philippines, Sulawesi. BOHOL, BUCAS GRANDE (photos), MINDANAO: Bukidnon, Surigao del Sur (photos), PANAY (photos), SAMAR. Notes: Epiphyte or lithophyte. 60m (photos) to 300-1000m. Native.
79. Dendrobium milaniae Fessel & Lückel, Orchidee (Hamburg) 47 (1996) A131; Cootes, Philippine Native Orchid Species (2011) 113. Distribution: Endemic to the Philippines. LEYTE, LUZON: Aurora (photos), MINDANAO: Davao del Sur (photos), Misamis Oriental (photos). Notes: Epiphytic. 600m to 1200-1670m (photos). Native.
80. Dendrobium mindanaense Ames, PJS 8c (1913) 423; Ames in Merrill, EPFP 1 (1924) 352; Cootes, Orch. Philip. (2001) 81; Cootes, Philippine Native Orchid Species (2011) 114; ≡ Ceraia mindanaensis (Ames) W.Suarez, OrchideenJ. 2010 (2010) 12; ≡ Aporum mindanaense (Ames) M.A.Clem., Telopea 10 (2003) 296. Distribution: Endemic to the Philippines. CULION, LEYTE, LUZON: Quezon, Rizal, MINDANAO: Agusan del Norte, Agusan del Sur, Cotabato, Davao, Misamis Oriental (photos), Surigao del Norte, Surigao del Sur, Zamboanga, Zamboanga del Sur (photos), NEGROS, PALAWAN, POLILLO. Notes: Epiphytic, also found in mangroves. 0-300m. Native.
81. Dendrobium miyasakii Ames & Quisumb., PJS 44 (1931) 373; Cootes, Philippine Native Orchid Species (2011) 114. Distribution: Endemic to the Philippines. LUZON: Pampanga, Zambales. Notes: Terrestrial or lithophytic, c. 600m. Native.
82. Dendrobium modestum Rchb.f., Bonplandia 3 (1855) 222; Ames in Merrill, EPFP 1 (1924) 352; Cootes, Orch. Philip. (2001) 82; ≡ Ceraia modesta (Rchb.f.) M.A.Clem., Telopea 10 (2003) 292. Distribution: CORON, LUZON: Abra (photos), Nueva Vizcaya, Quezon, Rizal, PALAWAN. Notes: Epiphytic, often in well-lit sites. 350m (photos) to 1200m. Native.
83. Dendrobium multiramosum Ames, Orchidaceae 5 (1915) 129; Ames in Merrill, EPFP 1 (1924) 352; Cootes, Philippine Native Orchid Species (2011) 114; ≡ Ceraia multiramosa (Ames) M.A.Clem., Telopea 10 (2003) 292. Distribution: Endemic to the Philippines. LUZON: Benguet, Nueva Vizcaya, Rizal, MINDORO. Notes: Ephiphytic, low elevation. Native.
84. Dendrobium nebularum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 540; ≡ Pedilonum nebularum (Schltr.) Rauschert, Feddes Repert. 94 (1983) 461. Native.
85. Dendrobium nemorale L.O.Williams, Bot. Mus. Leafl. 5 (1937) 41; Cootes, Orch. Philip. (2001) 82; Cootes, Philippine Native Orchid Species (2011) 115. Distribution: Endemic to the Philippines. LUZON: Apayao (photos), Aurora, Quezon, Rizal, MINDANAO: Misamis Oriental (photos), MINDORO. Notes: Epiphytic, c. 400m. DAO category: Vulnerable. Native.
86. Dendrobium niveobarbatum Cootes, Austral. Orchid Rev. 73(4) (2008) 22; Cootes, Philippine Native Orchid Species (2011) 115; ≡ Ceraia niveobarbata (Cootes) W.Suarez & Cootes, OrchideenJ. 2015 (2015) 60. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: Epiphytic, c. 500m. Native.
87. Dendrobium obrienianum Kraenzl., Gard. Chron., 3rd Ser. 11 (1892) 266; Ames in Merrill, EPFP 1 (1924) 352. Distribution: Endemic to the Philippines. Native.
88. Dendrobium omissum Schuit. & Peter B.Adams, Muelleria 29 (2011) 67; ≡ Flickingeria praetermissa W.Suarez & Cootes, Philipp. Orchid Rev. 15(2) (2007) 19; Cootes, Philippine Native Orchid Species (2011) 159; Type: Wenzel 65 (AMES, holo), Leyte: Leyte, Dagami, Puguahaan, 17-May-1913. Distribution: Endemic to the Philippines. LEYTE, LUZON: Laguna, Nueva Vizcaya, Quezon, MINDANAO: Davao del Sur, Lanao del Norte (photos), Zamboanga, MINDORO. Notes: Lowland mixed dipterocarp forests, epiphytic on limbs of medium-sized to tall trees, in exposed sites, 120-750m. P.B. Pelser (6-May-2022): the name Dendrobium praetermissum is occupied by Dendrobium praetermissum Seidenf. Native.
89. Dendrobium orbilobulatum Fessel & Lückel, Orchidee (Hamburg) 47 (1996) A232; Cootes, Orch. Philip. (2001) 83; ≡ Euphlebium orbilobulatum (Fessel & Lückel) M.A.Clem. & Cootes, OrchideenJ. 2009 (2009) 26; Cootes, Philippine Native Orchid Species (2011) 156. Distribution: Endemic to the Philippines. LEYTE, MINDORO, SAMAR. Notes: Epiphytic, hanging over water, c. 600m. Native.
90. Dendrobium ornithoflorum Ames, Orchidaceae 3 (1908) 60; Ames in Merrill, EPFP 1 (1924) 352; ≡ Grastidium ornithoflorum (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1997) 95; Cootes, Philippine Native Orchid Species (2011) 168; Type: FB 4627 Mearns & Hutchinson. Distribution: Endemic to the Philippines. BOHOL, CAMIGUIN (photos), LUZON: Quezon, MINDANAO: Misamis Occidental, Misamis Oriental (photos), NEGROS. Notes: Epiphytic, up to 2000m. Native.
91. Dendrobium pachyphyllum (Kuntze) Bakh.f., Blumea 12 (1963) 69; ≡ Ceraia pachyphylla (Kuntze) W.Suarez, OrchideenJ. 2015 (2015) 60; ≡ Callista pachyphylla Kuntze, Revis. Gen. Pl. 2 (1891) 654. Distribution: India to Malesia, Philippines. MINDANAO: Agusan, Bukidnon, Davao. Native.
92. Dendrobium papilio Loher, Gard. Chron., 3rd Ser. 21 (1897) 416; Ames in Merrill, EPFP 1 (1924) 352; Cootes, Orch. Philip. (2001) 83; Cootes, Philippine Native Orchid Species (2011) 115; Ormerod & Juswara, Harvard Papers in Botany 27 (2022) 171; ≡ Aporum papilio (Loher) Rauschert, Feddes Repert. 94 (1983) 441; Type: Loher 477 (K, neo), Luzon: Tonglon, and Benguet, Galou. = Dendrobium vanoverberghii Ames, PJS 8c (1913) 425; Type: Vanoverbergh 1345 (AMES, holo; GH, K, L, iso), Luzon: Bontoc subprov, 19-Jul-1911. Distribution: Endemic to the Philippines. LUZON: Albay, Benguet, Camarines Norte, Mountain Province, Nueva Vizcaya, MINDANAO: Davao, Davao del Sur, Surigao del Sur, NEGROS. Notes: Lithophytic or epiphytic, over 1200m. Native.
93. Dendrobium papilionaceum (Cootes & M.A.Clem.) Naive & Alejandro, Phytotaxa 356 (2018) 100; ≡ Euphlebium papilionaceum Cootes & M.A.Clem., Die Orchidee 3 (2017) 81; Type: J.E. Cootes s.n. (CANB, holo), cult. ex Mindoro: Puerto Galera. = Dendrobium sibuyanense Lubag-Arquiza, Naranja, Baldos & Sacdalan, Orchid Digest 70 (2006) 174, nom. inval.; Phil. Agr. Sci. 88 (2005) 4, 484, nom. inval.; ≡ Euphlebium sibuyanense (Lubag-Arquiza, Naranja, Baldos & Sacdalan) M.A.Clem. & Cootes, OrchideenJ. 2009 (2009) 26, nom. inval.; Cootes, Philippine Native Orchid Species (2011) 157. Distribution: Endemic to the Philippines. MINDORO, SIBUYAN. Notes: Epiphytic, 500-700m. P.B. Pelser (17-Aug-2019): see Sennikov 2010 for notes about the nomenclature of Dendrobium sibuyanense and Euphlebium sibuyanense. Native.
94. Dendrobium parietiforme J.J.Sm., Icon. Bogor. (Boerlage) 2 (1903) t.117C; ≡ Flickingeria parietiformis (J.J.Sm.) A.D.Hawkes, Orchid Weekly 2 (1961) 457; Type: from Sulawesi. Distribution: Philippines, Sulawesi, Taiwan. BASILAN, LEYTE, LUZON: Aurora, Camarines Sur, Laguna, Quezon, MINDANAO: Agusan, MINDORO. Notes: Epiphytic, low elevation. Native.
95. Dendrobium parthenium Rchb.f., Gard. Chron., n.s. 24 (1885) 489; Cootes, Philippine Native Orchid Species (2011) 116. Distribution: Borneo, Philippines. PALAWAN. Notes: Epiphytic, up to 900m. Native.
96. Dendrobium pentapterum Schltr., Nachtr. Fl. Schutzgeb. Südsee (1905) 161; Cootes, Orch. Philip. (2001) 83; Cootes, Philippine Native Orchid Species (2011) 116. Distribution: New Guinea, Philippines. MINDANAO: Davao del Sur. Notes: On mossy branches, 500-2500m. Conservation status: Least Concern (IUCN 3.1). Native.
97. Dendrobium pergracile Ames, PJS 8c (1913) 423; Ames in Merrill, EPFP 1 (1924) 353; ≡ Grastidium pergracile (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1997) 97; Type: M.S. Clemens 999. Distribution: Endemic to the Philippines. MINDANAO: Lanao del Sur. Native.
98. Dendrobium phillipsii Ames & Quisumb., PJS 56 (1935) 457; Cootes, Orch. Philip. (2001) 84; Cootes, Philippine Native Orchid Species (2011) 117. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Misamis Oriental (photos). Notes: Epiphytic, c. 800m. Native.
99. Dendrobium planibulbe Lindl., Edwards's Bot. Reg. 29(Misc.) (1843) 54; Ames in Merrill, EPFP 1 (1924) 353; Agoo, Philippine J. Syst. Biol. 1 (2007) 84; ≡ Ceraia planibulbis (Lindl.) M.A.Clem., Telopea 10 (2003) 293; ≡ Aporum planibulbe (Lindl.) Rauschert, Feddes Repert. 94 (1983) 441. Distribution: Borneo, Malay Peninsula, Philippines, Thailand. BASILAN, MINDANAO: Agusan, Lanao del Sur, Surigao del Norte, Zamboanga, Zamboanga Sibugay, SAMAR. Native.
100. Dendrobium planum J.J.Sm., Orch. Java (1905) 352. = Grastidium leytense (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1997) 89; Cootes, Philippine Native Orchid Species (2011) 168; ≡ Dendrobium leytense Ames, Orchidaceae 5 (1915) 126; Ames in Merrill, EPFP 1 (1924) 350. Distribution: Java, New Guinea, Philippines, Sumatra. LEYTE, LUZON: Laguna, Quezon. Notes: Epiphytic in forest, 60-500m. Native.
101. Dendrobium platycaulon Rolfe, Bull. Misc. Inform. Kew 1892 (1892) 139; Ames in Merrill, EPFP 1 (1924) 353; Cootes, Orch. Philip. (2001) 85; Cootes, Philippine Native Orchid Species (2011) 117. Distribution: Endemic to the Philippines. BILIRAN, BOHOL, LEYTE, LUZON: Benguet, Laguna, Mountain Province, Quezon, MINDANAO: Surigao, Zamboanga. Notes: Epiphytic in shaded sites, c. 500m. Native.
102. Dendrobium plicatile Lindl., Edwards's Bot. Reg. 26(Misc.) (1840) 10; Ames in Merrill, EPFP 1 (1924) 353; ≡ Flickingeria fimbriata (Blume) A.D.Hawkes, Orchid Weekly 2 (1961) 454; Orquídea (Rio de Janeiro) 27 (1965) 303; Cootes, Philippine Native Orchid Species (2011) 158; ≡ Ephemerantha fimbriata (Blume) P.F.Hunt & Summerh., Taxon 10 (1961) 103; ≡ Dendrobium fimbriatum (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 76, nom. illeg., non Hook.; ≡ Desmotrichum fimbriatum Blume, Bijdr. fl. Ned. Ind. (1825) 329; Type: not from the Philippines. Distribution: Andaman Isls, Borneo, China, Java, Malay Peninsula, Nicobar Isls, Philippines, Sulawesi, Sumatra, Thailand, Vietnam. BOHOL, CATANDUANES, CEBU (photos), DINAGAT, LEYTE, LUZON: Bataan, Cagayan, Isabela, Laguna, Pampanga, Quezon, Rizal, Tarlac, MINDANAO: Agusan del Norte, Cotabato, Lanao, Sultan Kudarat (photos), Surigao, MINDORO, NEGROS (photos), PALAWAN, PANAY, SAMAR. Notes: Epiphytic. (?-)800m to 1047m (photos). Native.
103. Dendrobium polytrichum Ames, PJS 2c (1907) 328; Ames in Merrill, EPFP 1 (1924) 353; Cootes, Orch. Philip. (2001) 86; ≡ Ceraia polytricha (Ames) M.A.Clem., Telopea 10 (2003) 293. Distribution: Endemic to the Philippines. LUZON: Aurora, Bataan, Cagayan, Isabela, Laguna, Nueva Vizcaya, Quezon, Rizal, MINDORO, POLILLO. Notes: Usually a sun-loving epiphyte, up to 500m. Native.
104. Dendrobium profusum Rchb.f., Gard. Chron., n.s. 21 (1884) 510; Ames in Merrill, EPFP 1 (1924) 354; Cootes, Orch. Philip. (2001) 87; Cootes, Philippine Native Orchid Species (2011) 118. Distribution: Endemic to the Philippines. LUZON: Albay, Camarines, Laguna (photos), Quezon. Notes: Epiphytic in well-lit sites. 100-500m. Native.
105. Dendrobium pseudoconvexum Ames, Orchidaceae 5 (1915) 135; Ames in Merrill, EPFP 1 (1924) 354; ≡ Flickingeria pseudoconvexa (Ames) A.D.Hawkes, Orchid Weekly 2 (1961) 458; Orquídea (Rio de Janeiro) 27 (1965) 306; ≡ Desmotrichum pseudoconvexum (Ames) A.D.Hawkes, Lloydia 20 (1957) 126; ≡ Ephemerantha pseudoconvexa (Ames) P.F.Hunt & Summerh., Taxon 10 (1961) 105. Distribution: Borneo, Philippines. LUZON: Bataan, Laguna, Rizal, Sorsogon. Native.
106. Dendrobium pseudoequitans Fessel & Lückel, Orchidee (Hamburg) 51 (2000) 83; Cootes, Philippine Native Orchid Species (2011) 118; ≡ Ceraia pseudoequitans (Fessel & Lückel) M.A.Clem., Telopea 10 (2003) 293. Distribution: Endemic to the Philippines. LEYTE. Notes: Epiphytic at low elevation. Native.
107. Dendrobium pterocarpum Ames, Schedul. Orchid. 6 (1923) 80; Ames in Merrill, EPFP 1 (1924) 354. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Davao del Sur, South Cotabato. Native.
108. Dendrobium purpureostelidium Ames, Orchidaceae 5 (1915) 136; Ames in Merrill, EPFP 1 (1924) 354; ≡ Flickingeria purpureostelidia (Ames) A.D.Hawkes, Orchid Weekly 2 (1961) 458; Cootes, Philippine Native Orchid Species (2011) 159; ≡ Desmotrichum purpureostelidium (Ames) A.D.Hawkes, Lloydia 20 (1957) 127; ≡ Ephemerantha purpureostelidium (Ames) P.F.Hunt & Summerh., Taxon 10 (1961) 105. Distribution: Endemic to the Philippines. BASILAN, LEYTE, LUZON: Aurora, Camarines Sur, Laguna, Quezon, Sorsogon, MINDANAO: Agusan del Norte, Surigao del Norte, MINDORO, SULU ARCHIPELAGO. Native.
109. Dendrobium quisumbingii A.D.Hawkes & A.H.Heller, Lloydia 20 (1957) 123; ≡ Aporum macgregorii M.A.Clem., Telopea 10 (2003) 296; ≡ Dendrobium macgregorii Ames, PJS 7c (1912) 17, nom. illeg., non F.Muell. & Kraenzl. Distribution: Endemic to the Philippines. LUZON: Quezon, POLILLO. Notes: Jim Cootes and Derek Cabactulan (15-Jan-25) consider Dendrobium quisumbingii to be a synonym of Dendrobium merrillii. Mangrove swamp. 0m. Native.
110. Dendrobium ramosii Ames, PJS 7c (1912) 18; Ames in Merrill, EPFP 1 (1924) 354; Cootes, Orch. Philip. (2001) 87; Cootes, Philippine Native Orchid Species (2011) 119. Distribution: Endemic to the Philippines. LUZON: Benguet, Ilocos Sur, Mountain Province, Nueva Vizcaya (photos), Quezon, MINDANAO: Zamboanga. Notes: Terrestrial, over 1200m. Native.
111. Dendrobium ravanii Cootes, OrchideenJ. 2008 (2008) 70; Cootes, Philippine Native Orchid Species (2011) 119. Distribution: Endemic to the Philippines. MINDORO. Notes: Epiphytic, 500-800m. Native.
112. Dendrobium restrepioides (W.Suarez & M.A.Clem.) J.M.H.Shaw, Orchid Rev. 124(Suppl. 1314) (2016) 35; ≡ Flickingeria restrepioides W.Suarez & M.A.Clem., OrchideenJ. 2015 (2015) 68; Type: ORG 1866 (CANB, holo). Distribution: Endemic to the Philippines. LUZON: Zambales, MINDORO. Notes: 1300m. Native.
113. Dendrobium reypimentelii Cootes, Cabactulan & M.Leon, OrchideenJ. 2017 (2017) 7; Type: M.D. De Leon 004/2017 (CMUH, holo), Mindanao: Bukidnon, 9-Dec-16. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1600m. Native.
114. Dendrobium rhodochilum (Ferreras & Cootes) Schuit. & Peter B.Adams, Muelleria 29 (2011) 66; ≡ Euphlebium rhodochilum Ferreras & Cootes, OrchideenJ. 2010 (2010) 54; Cootes, Philippine Native Orchid Species (2011) 156. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Sur. Notes: Epiphytic, c. 350m. Native.
115. Dendrobium rhombeum Lindl., Edwards's Bot. Reg. 29 (1843) t.17; Clements & Cootes, OrchideenJ. 16 (2009) 19; Cootes, Philippine Native Orchid Species (2011) 119; Type: Cuming 319 (K-LINDL, holo), cult: Loddiges ex Manila, Aug-1842. ≠ Dendrobium heterocarpum auct. non Wall. ex Lindl.; Ames in Merr., EPFP 1 (1924) 349; Valmayor, Orchidiana Philippiniana 1 (1984) 154; Cootes, Orch. Philip. (2001) 78. Distribution: Endemic to the Philippines. LEYTE, LUZON: Albay, Bataan, Benguet, Ilocos, Laguna (photos), Mountain Province, Nueva Ecija, Nueva Vizcaya, Quezon, Rizal, Sorsogon, MINDANAO: Davao del Sur, Sultan Kudarat (photos), MINDORO, NEGROS (photos). Notes: Epiphytic. 400m (photos) to 986-1000(-?)m. Native.
116. Dendrobium rubroflavum Ormerod & Naive, Harvard Pap. Bot. 24 (2019) 283; Type: Quisumbing 6092 (BS 79073) (AMES, holo), Luzon: cult. ex Mr. Brown’s garden, Bureau Sci. Orch. House, Manila, 5-Jun-1930. Distribution: Endemic to the Philippines. ?CORON, ?CULION. Notes: Exact origin unknown. Native.
117. Dendrobium sanderae Rolfe, Gard. Chron., 3rd Ser. 45 (1909) 374; Ames in Merrill, EPFP 1 (1924) 354; Cootes, Orch. Philip. (2001) 87; Cootes, Philippine Native Orchid Species (2011) 120. = Dendrobium sanderae var. majus Anon., Orchid J. 3 (1954) 113. = Dendrobium sanderae var. milleri Quisumb., Philipp. Orchid Rev. 6 (1958) 11. = Dendrobium sanderae var. parviflorum Anschütz ex Quisumb., Philipp. Orchid Rev. 2 (1949) 3; Cootes, Philippine Native Orchid Species (2011) 120. Distribution: Endemic to the Philippines. BABUYAN ISLS, CALAYAN, LEYTE, LUZON: Aurora (photos), Benguet, Cagayan, Ifugao, Mountain Province, Nueva Vizcaya, Rizal, Zambales, MINDANAO: Davao Oriental, Surigao del Norte, Surigao del Sur, PALAWAN. Notes: Epiphytic. 0-1700m. Conservation status: Vulnerable (IUCN 3.1). DAO category: Vulnerable. Native.
     • var. emilianum M.Leon, Cabactulan, Cootes & V.T.Usita, Orchidee, Taxon. Mitt. 8 (2022) 64; Type: MDL 2202001 (PNH, holo), Luzon: Zambales, cultivated, 11-Aug-22. Distribution: Endemic to the Philippines. LUZON: Zambales. Notes: 300-400m. Native.
     • var. luzonicum D.Tiu, Philipp. Orchid Rev. 5 (1997) 30; Cootes, Philippine Native Orchid Species (2011) 120. Distribution: Endemic to the Philippines. CALAYAN, LUZON: Cagayan, Nueva Vizcaya (photos). Notes: Epiphytic, to 300m. Native.
118. Dendrobium schettleri Cootes, Cabactulan, R.B.Pimentel & M.Leon, OrchideenJ. 2017 (2017) 8; Type: M.D. De Leon 005/2017 (CMUH, holo), Mindanao: Bukidnon, 3-Dec-16. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon. Notes: 1600m. Native.
119. Dendrobium schuetzei Rolfe, Orchid Rev. 19 (1911) 224; Ames in Merrill, EPFP 1 (1924) 354; Cootes, Philippine Native Orchid Species (2011) 121. Distribution: Endemic to the Philippines. MINDANAO: Surigao del Norte, Surigao del Sur. Notes: Epiphytic, up to 300m elevation. Conservation status: Critically Endangered (IUCN 3.1). DAO category: Critically Endangered. Native.
120. Dendrobium scopa Lindl., Edwards's Bot. Reg. 28(Misc.) (1842) 55; Ames in Merrill, EPFP 1 (1924) 354; ≡ Flickingeria scopa (Lindl.) Brieger, Orchideen (Schlechter), 3rd Ed. 1 (1981) 742; Cootes, Philippine Native Orchid Species (2011) 160; ≡ Desmotrichum scopa (Lindl.) Kraenzl., Pflanzenr. (Engler) IV (50 II B 21) (1910) 349; ≡ Ephemerantha scopa (Lindl.) P.F.Hunt & Summerh., Taxon 10 (1961) 106. Distribution: New Guinea, Pacific Ocean, Philippines, Sulawesi, Taiwan. LEYTE, LUZON: Laguna, Quezon, Rizal, Tarlac, MINDANAO: Agusan del Norte, Agusan del Sur, Cotabato, South Cotabato, MINDORO, NEGROS (photos), PALAWAN. Notes: Epiphytic or lithophytic, up to 500m. Native.
121. Dendrobium serratilabium L.O.Williams, Bot. Mus. Leafl. 5 (1937) 45; Cootes, Orch. Philip. (2001) 90; Cootes, Philippine Native Orchid Species (2011) 121. Distribution: Endemic to the Philippines. CAMIGUIN (photos), DINAGAT, LEYTE, LUZON: Albay (photos), Aurora, Laguna, Quezon, Rizal, Sorsogon, MINDANAO: Bukidnon, Davao del Sur (photos), Misamis, Misamis Oriental (photos), NEGROS (photos). Notes: Epiphytic in deep shade. 500-1200m to 1240m (photos). Native.
122. Dendrobium setigerum Ames ex M.A.Clem., Austral. Orchid Rev. 64 (1999) 7; Cootes, Orch. Philip. (2001) 90; Cootes, Philippine Native Orchid Species (2011) 121. ≠ Dendrobium ternatense auct. non J.J.Sm.; Ames in Merr., EPFP 1 (1924) 356. Distribution: Endemic to the Philippines. LUZON: Bataan, Laguna, Mountain Province, Pampanga, Quezon, Rizal, MINDORO, NEGROS (photos). Notes: Epiphytic, usually up to 500m. Synonym of Dendrobium macrophyllum var. macrophyllum? Native.
123. Dendrobium sinuosum Ames, Orchidaceae 7 (1922) 96; Ames in Merrill, EPFP 1 (1924) 355; ≡ Ceraia sinuosa (Ames) W.Suarez, OrchideenJ. 2010 (2010) 12; ≡ Aporum sinuosum (Ames) M.A.Clem., Telopea 10 (2003) 297. Distribution: Endemic to the Philippines. LEYTE. Native.
124. Dendrobium spurium (Blume) J.J.Sm., Fl. Buitenz. 6 (Orch. Jav.) (1905) 343; Ames in Merrill, EPFP 1 (1924) 355; Cootes, Orch. Philip. (2001) 91; ≡ Dendrocolla spuria Blume, Bijdr. fl. Ned. Ind. (1825) 290. Distribution: Borneo, Java, Malay Peninsula, New Guinea, Philippines, Singapore, Sumatra. LUZON: Bataan, Cagayan, Ilocos Norte, Laguna, Sorsogon, MINDANAO: Davao Oriental (photos), Davao del Sur, PALAWAN. Notes: Epiphytic on tree trunks in well-lit sites, lowlands. Native.
125. Dendrobium stricticalcarum W.Suarez & Cootes, Austral. Orchid Rev. 73 (2008) 23; Cootes, Philippine Native Orchid Species (2011) 121. Distribution: Endemic to the Philippines. LEYTE, LUZON: Laguna, MINDORO. Notes: Epiphytic, 500-1100m. Native.
126. Dendrobium stuposum Lindl., Edwards's Bot. Reg. 24(Misc.) (1838) 94; Cootes, Philippine Native Orchid Species (2011) 122. = Dendrobium pristinum Ames, Orchidaceae 5 (1915) 133; Ames in Merrill, EPFP 1 (1924) 353; Cootes, Orch. Philip. (2001) 86; Cootes, Philippine Native Orchid Species (2011) 117. Distribution: Bhutan, China, India, Java, Malaysia, Myanmar, Philippines, Sumatra, Thailand. LUZON: Laguna, Quezon, Rizal, MINDANAO: Bukidnon. Notes: Epiphytic, c. 1000m. Native.
127. Dendrobium surigaense H.P.Wood, Dendrobiums (2006) 704, nom. inval.; Cootes, Philippine Native Orchid Species (2011) 122; ≡ Dendrobium sanderae var. surigaense Quisumb., Philipp. Orchid Rev. 4 (1951) 2. Distribution: Endemic to the Philippines. MINDANAO: Surigao. Notes: Epiphytic, up to 300m. Also considered a synonym of Dendrobium sanderae Rolfe. Dendrobium surigaense H.P.Wood was not validly published, because it has an incorrect basionym reference. Native.
128. Dendrobium taurinum Lindl., Edwards's Bot. Reg. 29 (1843) t.28; Ames in Merrill, EPFP 1 (1924) 356; Cootes, Orch. Philip. (2001) 91; Cootes, Philippine Native Orchid Species (2011) 123; ≡ Durabaculum taurinum (Lindl.) M.A.Clem. & D.L.Jones, Orchadian 13 (2002) 489. = Dendrobium taurinum forma album Valmayor & D.Tiu, Philipp. Orchid Rev. A-V(3) (1983) 16; Cootes, Philippine Native Orchid Species (2011) 123. Distribution: Endemic to the Philippines. DINAGAT, HOMONHON, LUZON: Bulacan, Laguna, Quezon, Rizal, Zambales, MINDANAO: Bukidnon, Davao del Sur, PALAWAN, PANAY. Notes: Epiphytic, up to 300m elevation. Conservation status: Data Deficient (IUCN 3.1). Native.
129. Dendrobium tiongii Cootes, Austral. Orchid Rev. 75(5) (2010) 58; Cootes, Philippine Native Orchid Species (2011) 123; Coritico et al., PJS 151 (2022) 2440; ≡ Coelandria armeniaca M.A.Clem. & Cootes, OrchideenJ. 2009 (2009) 22. Distribution: Endemic to the Philippines. LUZON: Aurora, MINDANAO: Agusan, Bukidnon, Davao de Oro (photos), Misamis, Misamis Oriental (photos). Notes: 1000-1250m (photos). Native.
130. Dendrobium unicorne Ames, Orchidaceae 5 (1915) 140; Ames in Merrill, EPFP 1 (1924) 357; ≡ Flickingeria unicornis (Ames) A.D.Hawkes, Orchid Weekly 2 (1961) 459; Orquídea (Rio de Janeiro) 27 (1965) 307; ≡ Desmotrichum unicorne (Ames) A.D.Hawkes, Lloydia 20 (1957) 127; ≡ Ephemerantha unicornis (Ames) P.F.Hunt & Summerh., Taxon 10 (1961) 106. Distribution: Endemic to the Philippines. LEYTE, LUZON: Laguna. Native.
131. Dendrobium uniflorum Griff., Not. Pl. Asiat. 3 (1851) 305; Ames in Merrill, EPFP 1 (1924) 357; Cootes, Orch. Philip. (2001) 92; Cootes, Philippine Native Orchid Species (2011) 123; ≡ Distichorchis uniflora (Griff.) M.A.Clem., Telopea 10 (2003) 282. = Dendrobium quadrisulcatum J.J.Sm., Bull. Jard. Bot. Buitenzorg, 2nd Sér. 25 (1917) 49; Cootes, Philippine Native Orchid Species (2011) 118. = Distichorchis angusta (Quisumb.) M.A.Clem., Telopea 10 (2003) 280; ≡ Dendrobium uniflorum var. angustum Quisumb., Philipp. Orchid Rev. 3 (1950) 9. ≠ Dendrobium revolutum auct. non Lindl.; Merr., EPFP 1 (1924) 363. Distribution: Borneo, Malay Peninsula, Philippines, Thailand, Vietnam. BASILAN, BILIRAN, DINAGAT, LEYTE, LUZON: Apayao (photos), Aurora, Bataan, Cagayan, Ilocos Norte, Kalinga, Laguna, Quezon, Rizal, Sorsogon, Zambales, MINDANAO: Agusan del Norte, Davao Oriental, Lanao del Sur, Surigao, Surigao del Norte, Zamboanga, MINDORO, NEGROS, PALAWAN, PANAY, POLILLO, SAMAR, SIBUYAN. Notes: Epiphytic, often in well-lit sites. (?-)300-700m. Native.
132. Dendrobium × usitae T.Yukawa, Ann. Tsukuba Bot. Gard. 14 (1995) 43; Cootes, Philippine Native Orchid Species (2011) 124. Distribution: Endemic to the Philippines. BABUYAN. Notes: Natural hybrid: Dendrobium bullenianum × Dendrobium goldschmidtianum. Epiphytic, up to 300m. Native.
133. Dendrobium usterii Schltr., Bull. Herb. Boissier, 2nd Sér. 6 (1906) 458; Ames in Merrill, EPFP 1 (1924) 357; ≡ Ceraia usterii (Schltr.) M.A.Clem., Telopea 10 (2003) 294; ≡ Flickingeria usterii (Schltr.) Brieger, Orchideen (Schlechter), 3rd Ed. 1 (1981) 742; ≡ Ephemerantha usterii (Schltr.) P.F.Hunt & Summerh., Taxon 10 (1961) 107. Distribution: Endemic to the Philippines. Native.
134. Dendrobium usterioides Ames, Orchidaceae 5 (1915) 142; Ames in Merrill, EPFP 1 (1924) 357; Cootes, Philippine Native Orchid Species (2011) 124; ≡ Ceraia usterioides (Ames) M.A.Clem., Telopea 10 (2003) 294. Distribution: Endemic to the Philippines. MINDORO. Notes: Epiphytic, up to 500m. DAO category: Vulnerable. Native.
135. Dendrobium valmayorae D.Tiu, Philipp. Orchid Rev. 18(1) (2009) 4, nom. inval.; Cootes, Philippine Native Orchid Species (2011) 124. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon (photos). Notes: Epiphytic, c. 500m. Native.
136. Dendrobium velutinelabrum M.A.Clem. & Cootes, OrchideenJ. 2009 (2009) 18; ≡ Dendrobium aureum var. philippinense Rchb.f., Gard. Chron., n.s. 13 (1880) 72; ≡ Dendrobium heterocarpum var. philippinense (Rchb.f.) Kraenzl., Pflanzenr. (Engler) IV (50 II B 21) (1910) 45; Type: Veitch 142 (Christy) (W, holo), cult: Royal Exotic Nursery, Chelsea, Jan-1880. Distribution: Endemic to the Philippines. MINDANAO: Cotabato (photos). Native.
137. Dendrobium ventricosum Kraenzl., Pflanzenr. (Engler) IV (50 II B 21) (1910) 209; Ames in Merrill, EPFP 1 (1924) 357; Cootes, Orch. Philip. (2001) 93; Cootes, Philippine Native Orchid Species (2011) 124; ≡ Ceraia ventricosa (Kraenzl.) M.A.Clem., Telopea 10 (2003) 294. Distribution: Endemic to the Philippines. BATAN, LUZON: Nueva Vizcaya, Quezon, Sorsogon, Zambales, MINDANAO: Agusan del Norte, Agusan del Sur, Davao, Surigao, Surigao del Norte. Notes: Erroneously reported for Taiwan (Lin et al. 2016); epiphytic, up to 300m. Native.
138. Dendrobium victoriae-reginae Loher, Gard. Chron., 3rd Ser. 21 (1897) 399; Ames in Merrill, EPFP 1 (1924) 358; Cootes, Philippine Native Orchid Species (2011) 125; ≡ Pedilonum victoriae-reginae (Loher) Rauschert, Feddes Repert. 94 (1983) 465. = Dendrobium victoriae-reginae forma album Valmayor & D.Tiu, Philipp. Orchid Rev. A-V(3) (1983) 16. = Dendrobium coeleste Loher, Gard. Chron., 3rd Ser. 22 (1897) 1. Distribution: Endemic to the Philippines. BASILAN (photos), CAMIGUIN, LUZON: Aurora, Benguet, Cagayan (photos), Ifugao, Mountain Province, Nueva Vizcaya, Pampanga, Quezon, MINDANAO: Davao del Sur, Misamis Oriental (photos), MINDORO, NEGROS. Notes: Epiphytic in mossy cloud forests. 920m (photos) to 1300(-?)m. DAO category: Vulnerable. Native.
139. Dendrobium wenzelii Ames, Orchidaceae 5 (1915) 144; Ames in Merrill, EPFP 1 (1924) 358; Cootes, Orch. Philip. (2001) 94; ≡ Aporum wenzelii (Ames) M.A.Clem., Telopea 10 (2003) 297; Cootes, Philippine Native Orchid Species (2011) 27. Distribution: Endemic to the Philippines. LEYTE, LUZON: Aurora, Quezon, MINDANAO: Lanao del Sur, Surigao, Surigao del Norte, MINDORO. Notes: Epiphytic up to 500m. Native.
140. Dendrobium yeageri Ames & Quisumb., PJS 52 (1934) 447; Cootes, Orch. Philip. (2001) 94; Cootes, Philippine Native Orchid Species (2011) 125. Distribution: Endemic to the Philippines. LUZON: Aurora (photos), Benguet, Mountain Province. Notes: Epiphytic above 1000m. Native.
141. Dendrobium zamboangense Ames, Orchidaceae 5 (1915) 145; Ames in Merrill, EPFP 1 (1924) 358; Ormerod et al., Harvard Papers in Botany 24 (2019) 285; Type: Merrill 8174 (AMES, holo), Mindanao: Zamboanga, Nov/Dec-1911. = Dendrobium bunuanense Ames, Schedul. Orchid. 9 (1925) 53; ≡ Dendrobium appendiculoides Ames, Orchidaceae 7 (1922) 93, nom. illeg., non J.J.Sm; Ames in Merrill, EPFP 1 (1924) 345; Type: BS 38940 Ramos & Edaño (AMES, holo), Mindanao: Bukidnon, Mt Bunuan, 27-Jun-1920. Distribution: Endemic to the Philippines. MINDANAO: Agusan, Bukidnon, Davao, Zamboanga. Notes: 1525m. Native.

Possibly present

1. Dendrobium compactum Rolfe ex Hemsl., Gard. Chron., 3rd Ser. 36 (1904) 400; Rolfe, Bull. Misc. Inform. Kew (1906) 113; Agoo, Philippine J. Syst. Biol. 1 (2007) 84. Distribution: China, Malay Peninsula, ?Philippines, Thailand.
2. Dendrobium hercoglossum Rchb.f., Gard. Chron., n.s. 26 (1886) 487; Ames in Merrill, EPFP 1 (1925) 489. Distribution: China, Indochina, Malay Peninsula, ?Philippines, Thailand.
3. Dendrobium parciflorum Rchb.f. ex Lindl., J. Proc. Linn. Soc., Bot. 3 (1858) 4. Distribution: India to China, ?Philippines.
4. Dendrobium sanguinolentum Lindl., Edwards's Bot. Reg. 28(Misc.) (1842) 62. Distribution: Malesia, ?Philippines, Thailand. ?SULU ARCHIPELAGO. Notes: Jim Cootes (23-Jul-26): It is highly doubtful that this species occurs in the Philippines.

Dendrolirium Blume

1. Dendrolirium ornatum Blume, Bijdr. fl. Ned. Ind. (1825) 345; Cootes, Philippine Native Orchid Species (2011) 145; ≡ Eria ornata (Blume) Lindl., Gen. Sp. Orchid. Pl. (1830) 66; Ames in Merrill, EPFP 1 (1925) 373. Distribution: Borneo, Java, Laos, Malay Peninsula, Philippines, Sulawesi, Sumatra, Thailand. LEYTE, LUZON: Abra (photos), Benguet, Ifugao, Mountain Province, Nueva Vizcaya, Rizal, Zambales, MINDANAO: Agusan, Bukidnon, Davao de Oro (photos), Sultan Kudarat (photos), Zamboanga, PALAWAN (photos), SAMAR. Notes: Epiphytic. (?-)700-1200m (photos) to 1450m. Native.

Didymoplexiella Garay

1. Didymoplexiella philippinensis (Ames) Cootes, Orchids Austral. 32 (2020) 10; ≡ Didymoplexis philippinensis Ames, Orchidaceae 5 (1915) 24; Ames in Merrill, EPFP 1 (1924) 268. Distribution: Endemic to the Philippines. LEYTE, LUZON: Batangas (photos), Camarines, PALAWAN. Notes: Forest up to 300m elevation. Native.

Didymoplexis Griff.

1. Didymoplexis micradenia (Rchb.f.) Hemsl., J. Linn. Soc., Bot. 20 (1883) 311; ≡ Epiphanes micradenia Rchb.f., Fl. Vit. (1868) 295; Type: from Fiji. Distribution: Malesia to Taiwan and Pacific Ocean, Philippines, Thailand, Vietnam. LUZON: Quezon, MINDANAO: Misamis Oriental (photos), NEGROS. Native.
2. Didymoplexis pallens Griff., Calcutta J. Nat. Hist. 4 (1844) 383; Ames in Merrill, EPFP 1 (1924) 267; Cootes, Philippine Native Orchid Species (2011) 145; Type: from India. Distribution: Afghanistan, Australia, Bangladesh, China, India, Java, Malay Peninsula, New Guinea, Pacific Ocean, Philippines, Ryukyu Isls, Sumatra, Taiwan, Thailand, Vietnam. BOHOL (photos), LEYTE, LUZON: Bulacan (photos), Camarines, Laguna, Pampanga, Rizal, Sorsogon (photos), PALAWAN, PANAY (photos). Notes: Terrestrial. 0-300m. Native.
3. Didymoplexis striata J.J.Sm., Icon. Bogor. (Boerlage) 2 (1903) t.104B. Distribution: Borneo, Java, Philippines, Solomon Isls, Thailand. LUZON: Aurora, Quezon. Notes: Present in the Philippines according to Jim Cootes (pers. comm., 2-Jan-20). c. 820m. Native.

Dienia Lindl.

1. Dienia carinata Rchb.f., Bonplandia 3 (1855) 223; ≡ Crepidium carinatum (Rchb.f.) Marg., Edinburgh J. Bot. 62 (2005) 165-179. = Dienia benguetensis (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 41; ≡ Crepidium benguetense (Ames) Marg., Ann. Bot. Fenn. 39 (2002) 65; ≡ Malaxis benguetensis Ames, PJS 6c (1911) 43; Ames in Merrill, EPFP 1 (1924) 303. Distribution: Philippines, Sumatra. LUZON: Benguet, Pampanga, MINDANAO: Bukidnon (photos). Native.
2. Dienia ophrydis (J.Koenig) Seidenf., Contr. Orchid Fl. Thailand 13 (1997) 18; Cootes, Philippine Native Orchid Species (2011) 146; ≡ Malaxis ophrydis (J.Koenig) Ormerod, Descr. Epidendrorum J.G.König (1995) 18; ≡ Crepidium ophrydis (J.Koenig) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 38; ≡ Epidendrum ophrydis J.Koenig, Observ. Bot. (Retzius) 6 (1791) 46; Type: from India. = Dienia curranii (Ames) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 41; ≡ Malaxis curranii Ames, PJS 6c (1911) 44; Ames in Merrill, EPFP 1 (1924) 303. = Dienia latifolia (Sm.) M.A.Clem. & D.L.Jones, Lasianthera 1 (1996) 41; ≡ Malaxis latifolia Sm., Cycl. 22 (1819) n.3; Ames in Merrill, EPFP 1 (1924) 304; Type: from Nepal. Distribution: Andaman Isls, Australia, Bangladesh, Bhutan, Borneo, Cambodia, China, India, Java, Laos, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, Nepal, New Caledonia, New Guinea, Nicobar Isls, Philippines, Ryukyu Isls, Sri Lanka, Sulawesi, Sumatra, Taiwan, Thailand, Vietnam. LUZON: Abra (photos), Aurora (photos), Batangas, Benguet, Cavite, Laguna, Mountain Province, Pangasinan (photos), Rizal, Sorsogon, Zambales, MINDANAO: Agusan del Norte, Misamis Oriental (photos), Surigao del Norte, Surigao del Sur (photos), Zamboanga del Norte (photos), MINDORO, PALAWAN, ROMBLON (photos), TABLAS (photos), TAWI-TAWI. Notes: Terrestrial, low elevation. 50-200m (photos). Native.

Diglyphosa Blume

1. Diglyphosa elmeri Ames, LPB 5 (1912) 1555; Ames in Merrill, EPFP 1 (1924) 280. Distribution: Endemic to the Philippines. MINDANAO: Davao del Sur, Lanao del Sur (photos), South Cotabato (photos). Native.
2. Diglyphosa latifolia Blume, Bijdr. fl. Ned. Ind. (1825) 336. Distribution: China, India, Java, Malay Peninsula, Moluccas, New Guinea, Philippines, Sumatra. MINDANAO: Davao del Sur (photos), NEGROS. Notes: 1200-1670m. Native.

Dilochia Lindl.

1. Dilochia deleoniae Tandang & Galindon, PhytoKeys 139 (2020) 92; Type: Tadiosa 2059 with Tandang (PNH, holo; CMUH, BRIT, CAHUP, iso), Mindanao: Davao Oriental, San Isidro, Mt Hamiguitan Range Wildlife Sanctuary, 7-Jul-2016. Distribution: Endemic to the Philippines. MINDANAO: Davao Oriental. Notes: 1100-1650m. Conservation status: Vulnerable (Tandang et al. 2020). DAO category: Vulnerable. Native.
2. Dilochia elmeri Ames, LPB 5 (1912) 1554; Ames in Merrill, EPFP 1 (1924) 317; Cootes, Philippine Native Orchid Species (2011) 146. Distribution: Endemic to the Philippines. JOLO, LEYTE, LUZON: Quezon, Rizal, MINDANAO: Davao, Davao del Sur, Surigao del Norte, SAMAR. Notes: Epiphytic, c. 500m. Native.
3. Dilochia wallichii Lindl., Gen. Sp. Orchid. Pl. (1830) 38; Cootes, Philippine Native Orchid Species (2011) 146. Distribution: Borneo, Java, Malay Peninsula, Moluccas, Philippines, Sumatra, Thailand. MINDANAO: Davao Oriental, Davao de Oro (photos). Notes: Epiphytic, up to 800m. Native.

Dimorphorchis Rolfe.

1. Dimorphorchis breviscapa (J.J.Sm.) Kocyan & Schuit., Phytotaxa 161 (2014) 64; ≡ Arachnis breviscapa J.J.Sm., Natuurk. Tijdschr. Ned.-Indië 72 (1912) 74. = Arachnis longicaulis (Schltr.) L.O.Williams, Bot. Mus. Leafl. 5 (1937) 31; Cootes, Orch. Philip. (2001) 28; Cootes, Philippine Native Orchid Species (2011) 32; ≡ Vandopsis longicaulis Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1913) 973. = Arachnis lyonii Ames, Orchidaceae 5 (1915) 221; Ames in Merrill, EPFP 1 (1925) 427. = Arachnis longicaulis forma flavescens Valmayor & D.Tiu, Philipp. Orchid Rev. 5 (1983) 16. Distribution: New Guinea, Philippines. LUZON: Isabela, Nueva Ecija, Quezon, Rizal, MINDANAO: Lanao del Sur, TAWI-TAWI. Notes: High-canopy epiphyte, usually at c. 1000m. Native.

Dipodium R.Br.

1. Dipodium fevrellii J.J.Sm., Bot. Jahrb. Syst. 65 (1933) 497; Fernando et al., Forest Flora of Dinagat (2017) 36; Type: from Sulawesi. Distribution: Borneo, Cambodia, Malay Peninsula, Philippines, Sumatra, Thailand, Vietnam. DINAGAT, LEYTE, LUZON: Albay, Quezon, Sorsogon, MINDANAO: Bukidnon (photos), Davao Oriental, Surigao del Sur, MINDORO, PANAY, SAMAR, SIBUYAN. Notes: (?-)600m. Native.
   • ssp. deleonii P.O'Byrne, Malesian Orchid J. 19 (2017) 47; Type: Tandang & Tadiosa s.n. (PNH, holo), Samar: Brgy San Isidro, Samar Island National Park. Palau, Philippines. ≠ Dipodium paludosum auct. non (Griff.) Rchb.f.; Ames in Merr., EPFP 1 (1925) 402; Cootes, Orch. Philip. (2001) 112; Cootes, Philippine Native Orchid Species (2011) 147. Distribution: LEYTE, LUZON: Albay, Quezon, Sorsogon, MINDANAO: Davao Oriental, Surigao del Sur, MINDORO, PANAY, SAMAR, SIBUYAN. Notes: Up to 600m. Native.
2. Dipodium purpureum J.J.Sm., Icon. Bogor. (Boerlage) 4 (1910) t.304; Type: from Borneo. Distribution: Borneo, Moluccas, Philippines. MINDANAO: Bukidnon (photos), MINDORO, NEGROS. Notes: 650-917m (photos). Native.
   • ssp. philippinense P.O'Byrne, Malesian Orchid J. 19 (2017) 107; Type: Ridsdale 1230 (L, holo; K, PNH, iso), Mindoro: San Teodoro. ≠ Dipodium pictum auct. non (Lindl.) Rchb.f.; Cootes, Philippine Native Orchid Species (2011) 148. Distribution: Endemic to the Philippines. MINDANAO, MINDORO, NEGROS. Native.
3. Dipodium wenzelii P.O'Byrne, Malesian Orchid J. 19 (2017) 87; Type: Wenzel 418 (K, holo; L, PNH, SING, iso), Leyte: Buenavista, Jaro, 500 m. Distribution: Endemic to the Philippines. LEYTE. Native.

Disperis Sw.

1. Disperis neilgherrensis Wight, Icon. Pl. Ind. Orient. (Wight) 5 (1851) t.1719; Kurzweil, Blumea 50 (2005) 145; Adansonia sér. 3, 27(2) (2005) 174; Type: from India. = Disperis philippinensis Schltr., Repert. Spec. Nov. Regni Veg. 9 (1911) 436; Ames in Merrill, EPFP 1 (1924) 260; Type: Merrill 4215 (AMES, iso), Luzon: Pampanga, Mt Arayat, very scattered among boulders on forested slopes, 300-700m, Sep-1905. = Disperis siamensis Rolfe ex Downie, Bull. Misc. Inform. Kew 1925 (1925) 422; Type: from Thailand. = Stigmatodactylus palawensis Tuyama, Bot. Mag. (Tokyo) 53 (1939) 57. Distribution: Hong Kong, India, Java, Moluccas, New Guinea, Pacific Ocean, Philippines, Ryukyu Isls, Sri Lanka, Taiwan, Thailand. LUZON: Batangas, Pampanga, Sorsogon, PANAY (photos). Notes: Terrestrial at 300-700m. Native.

Epiblastus Schltr.

1. Epiblastus merrillii L.O.Williams, PJS 71 (1940) 113; Cootes, Philippine Native Orchid Species (2011) 148. Distribution: Endemic to the Philippines. MINDANAO: Bukidnon, Cotabato, Davao de Oro (photos), Misamis, Misamis Oriental (photos), South Cotabato, Zamboanga, Zamboanga del Sur. Notes: Epiphytic, 1000-2350 m. Native.

Epidendrum L. (Not native)

1. Epidendrum radicans Pav. ex Lindl., Gen. Sp. Orchid. Pl. (1831) 104. Distribution: C & S America. LUZON: Aurora. Notes: Naturalized in secondary forest in San Luis, Aurora (Jayson Mansibang, pers. comm. 23-Aug-21). Naturalized.

Epigeneium Gagnep.

1. Epigeneium acuminatum (Rolfe) Summerh., Kew Bull. 12 (1957) 260; Cootes, Orch. Philip. (2001) 113; Cootes, Philippine Native Orchid Species (2011) 149; ≡ Katherinea acuminata (Rolfe) A.D.Hawkes, Lloydia 19 (1956) 94; ≡ Dendrobium acuminatum Rolfe, Orchidaceae 1 (1905) 86, nom. illeg., non Kunth; Ames in Merrill, EPFP 1 (1924) 343; Type: C.A. Wenzel 47. = Dendrobium acutilingue Schuit. & Peter B.Adams, Muelleria 29 (2011) 65. Distribution: Endemic to the Philippines. LUZON: Abra, Apayao, Aurora, Bataan, Benguet, Kalinga, Nueva Ecija, Nueva Vizcaya, Quezon, Rizal, MINDANAO: Bukidnon (photos), Davao Oriental (photos), Misamis Oriental (photos), MINDORO. Notes: Epiphytic, often in full sun. 500-2000m. Native.
2. Epigeneium stella-silvae (Loher & Kraenzl.) Summerh., Kew Bull. 12 (1957) 265; Cootes, Philippine Native Orchid Species (2011) 150; ≡ Katherinea stella-silvae (Loher & Kraenzl.) A.D.Hawkes, Lloydia 19 (1956) 97; ≡ Dendrobium stella-silvae (Loher & Kraenzl.) Ames, Orchidaceae 5 (1915) 139; Ames in Merrill, EPFP 1 (1924) 356; ≡ Sarcopodium stella-silvae Loher & Kraenzl., Repert. Spec. Nov. Regni Veg. 7 (1909) 40. Distribution: Endemic to the Philippines. LUZON: Abra, Apayao (photos), Benguet, Ifugao, Mountain Province, Rizal, Zambales. Notes: Epiphytic, Forest slope. 500(-?)m. DAO category: Vulnerable. Native.
3. Epigeneium treacherianum (Rchb.f. ex Hook.f.) Summerh., Kew Bull. 12 (1957) 265; Cootes, Philippine Native Orchid Species (2011) 150; ≡ Katherinea treacheriana (Rchb.f. ex Hook.f.) A.D.Hawkes, Lloydia 19 (1956) 97; ≡ Dendrobium treacherianum Rchb.f. ex Hook.f., Bot. Mag. 107 (1881) t.6591. = Epigeneium lyonii (Ames) Summerh., Kew Bull. 12 (1957) 263; ≡ Dendrobium lyonii Ames, Orchidaceae 2 (1908) 177; Ames in Merrill, EPFP 1 (1924) 351; Type: Lyon s.n. Distribution: Borneo, Philippines. LUZON: Apayao, Bataan, Kalinga, Laguna, Nueva Ecija, Nueva Vizcaya, Quezon, Rizal, MINDORO, NEGROS, SAMAR. Notes: Commonly epiphytic, occasionally lithophytic, often in well-lit sites. 600-1200m. DAO category: Vulnerable. Native.

Epipogium Gmel. ex Borkh.

1. Epipogium roseum (D.Don) Lindl., J. Proc. Linn. Soc., Bot. 1 (1857) 177; Ames in Merrill, EPFP 1 (1924) 265; Cootes, Philippine Native Orchid Species (2011) 151; ≡ Limodorum roseum D.Don, Prodr. Fl. Nepal. (1825) 30; Type: from Nepal. Distribution: Australia, China, India, Japan, Java, Laos, Malaysia, Nepal, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sri Lanka, Taiwan, Thailand, Tibet, Vietnam. LEYTE, LUZON: Apayao (photos), Bataan, Benguet (photos), Cagayan (photos), Camarines Norte (photos), Laguna, Nueva Vizcaya, Pampanga, Quezon, Rizal, MINDANAO: Davao, Davao del Sur, Lanao, Lanao del Sur, Misamis, MINDORO, NEGROS. Notes: Terrestrial in forest. 250-1350m (photos). Native.

Eria Lindl.

1. Eria cochleata Lindl., Edwards's Bot. Reg. 30(Misc.) (1844) 14; Ames in Merrill, EPFP 1 (1924) 366; Ormerod & Juswara, Harvard Papers in Botany 27 (2022) 172; Type: Loddiges s.n. (K-L, holo), cult. from Luzon: Manila. = Eria merrillii Ames, PJS 2c (1907) 331; Ames in Merrill, EPFP 1 (1925) 372; Type: Merrill 5519 (PNH, holo, lost; AMES, iso), Mindoro: Alag River, 12-Nov-1906. Distribution: Endemic to the Philippines. LEYTE, LUZON: Rizal, Sorsogon, MINDANAO: Surigao, MINDORO, SAMAR. Notes: 120-800m. Native.
2. Eria sessilifolia (J.Fraser) D.L.Roberts & Sayers, Bot. Mag., n.s. 22 (2005) 40; ≡ Tainia sessilifolia J.Fraser, Gard. World 7 (1898) 187; Schuiteman et al., Nordic J. Bot. 26 (2008) 290. Distribution: Philippines, Sulawesi. BOHOL, LEYTE, LUZON: Rizal, Sorsogon, MINDANAO: Davao Oriental (photos), Surigao, MINDORO, SAMAR. Notes: Synonym of Eria javanica (Schuiteman et al. 2008)? Native.
3. Eria stellata Lindl., Bot. Reg. 11 (1825) t.904; Ormerod & Juswara, Harvard Papers in Botany 27 (2022) 174; Type: from Java. = Eria javanica var. philippinensis Kraenzl., Pflanzenr. (Engler) IV (50 II B 21) (1911) 26, nom. inval., nom. nud. ≠ Eria javanica auct. non (Sw.) Blume; Ames in Merr., EPFP 1 (1924) 369; Cootes, Orch. Philip. (2001) 117; Cootes, Philippine Native Orchid Species (2011) 151. Distribution: Java, Malay Peninsula, Myanmar, New Guinea, Philippines, Sumatra, Thailand. LEYTE, LUZON: Albay, Laguna, Rizal, MINDANAO: Lanao del Sur. Notes: 0-1200m. Native.

Possibly present

1. Eria cymbiformis J.J.Sm., Recueil Trav. Bot. Néerl. 1 (1904) 152. Distribution: ?Philippines, Sulawesi, Sumatra.

Erythrodes Blume

1. Erythrodes boettcheri Ames, Schedul. Orchid. 6 (1923) 8; Ames in Merrill, EPFP 1 (1924) 273. Distribution: Endemic to the Philippines. LUZON: Kalinga. Notes: 1000m. Native.
2. Erythrodes latifolia Blume, Bijdr. fl. Ned. Ind. (1825) 410. Distribution: Borneo, Java, Malay Peninsula, Philippines, Sumatra, Thailand. BASILAN (photos), CATANDUANES (photos), LUZON: Quezon (photos). Notes: 380m (photos). Native.
3. Erythrodes weberi Ames, Orchidaceae 5 (1915) 30; Ames in Merrill, EPFP 1 (1924) 273. Distribution: Endemic to the Philippines. JOLO, MINDANAO: Agusan, Agusan del Sur, Lanao del Sur. Notes: Terrestrial in shady forest at 10m elevation. In Jolo at 830m elevation. Native.
4. Erythrodes wenzelii Ames, Orchidaceae 5 (1915) 31; Ames in Merrill, EPFP 1 (1924) 273; Agoo, Philippine J. Syst. Biol. 1 (2007) 88; Cootes, Philippine Native Orchid Species (2011) 152. Distribution: Endemic to the Philippines. LEYTE, LUZON: ?Albay (photos), Quezon, PALAWAN. Notes: Terrestrial, 600-1800m. Native.

Erythrorchis Blume

1. Erythrorchis altissima (Blume) Blume, Rumphia 1 (1837) 200; Cootes, Philippine Native Orchid Species (2011) 152; ≡ Galeola altissima (Blume) Rchb.f., Xenia Orchid. 2 (1865) 77; Ames in Merrill, EPFP 1 (1924) 262; Holttum, Rev. Fl. Malaya 1 (1954) 99; ≡ Cyrtosia altissima Blume, Bijdr. fl. Ned. Ind. (1825) 396; Type: from Java. = Erythrorchis ochobiensis (Hayata) Garay, Bot. Mus. Leafl. 30 (1986) 234; ≡ Galeola ochobiensis Hayata, Icon. Pl. Formosan. 6 (1916) 87; Type: from Taiwan. Distribution: Borneo, Cambodia, China, India, Java, Laos, Malay Peninsula, Myanmar, Philippines, Ryukyu Isls, Taiwan, Thailand, Vietnam. BABUYAN ISLS, CAMIGUIN DE BABUYANES, LUZON: Cagayan, Isabela, Nueva Vizcaya, Pangasinan, Quezon, Sorsogon, MINDORO (photos), PALAWAN, SAMAR. Notes: Present in Cagayan according to Co; in Quezon according to Cootes (2011). Conservation status: Least Concern (IUCN 3.1). Native.

Eucosia Blume

1. Eucosia viridiflora (Blume) M.C.Pace, Brittonia 72 (2020) 264; ≡ Goodyera viridiflora (Blume) Blume, Fl. Javae Nov. Ser. 1 (1858) 34; Cootes, Philippine Native Orchid Species (2011) 163; ≡ Epipactis viridiflora (Blume) Ames, Orchidaceae 2 (1908) 61; Ames in Merrill, EPFP 1 (1924) 272; ≡ Neottia viridiflora Blume, Bijdr. fl. Ned. Ind. (1825) 408; Type: from Java. Distribution: Australia, Bhutan, China, Hong Kong, India, Japan, Java, Malaysia, Nepal, New Caledonia, New Guinea, Philippines, Ryukyu Isls, Sri Lanka, Taiwan, Thailand, Vietnam. LUZON: Bataan, Benguet, MINDANAO: Davao, MINDORO, NEGROS, PALAWAN. Notes: Epiphyte. (?-2000)m. Native.

Eulophia R.Br. ex Lindl.

1. Eulophia bicallosa (D.Don) P.F.Hunt & Summerh., Kew Bull. 20 (1966) 60; Ormerod, Taiwania 49(3) (2004) 176; ≡ Bletia bicallosa D.Don, Prodr. Fl. Nepal. (1825) 30; Type: from Nepal. = Eulophia merrillii Ames, Orchidaceae 5 (1915) 104; Ames in Merrill, EPFP 1 (1924) 339; Type: Merrill 5452 (AMES, holo), Mindanao: Davao Oriental, Caraga, open grassy slopes, 100m, 6-Oct-1906. = Eulophia vanoverberghii Ames, PJS 7c (1912) 13; Ames in Merrill, EPFP 1 (1924) 341; Type: Vanoverbergh 336 (AMES, holo), Luzon: Mountain Province, on hillocks, 1350m, 2-Apr-1910. Distribution: Australia, China, India, Java, Lesser Sunda Isls, Malaysia, Nepal, New Guinea, Philippines, Thailand. LUZON: Mountain Province, MINDANAO: Bukidnon, Davao, South Cotabato, Surigao. Notes: Near sea-level to 1350m. Probably erroneously reported from Taiwan (Lin et al. 2016). Native.
2. Eulophia dentata Ames, PJS 6c (1911) 51; Ames in Merrill, EPFP 1 (1924) 339. Distribution: Endemic to the Philippines. LUZON: Mountain Province, Rizal. Notes: Endemic only if Eulophia taiwanensis Hayata is not considered conspecific (Lin et al. 2016). Native.
3. Eulophia exaltata Rchb.f., Bonplandia 5 (1857) 38; Ormerod, Taiwania 49(3) (2004) 176. = Bletia stricta C.Presl, Reliq. Haenk. 1 (1827) 98; Lindl., Gen. Sp. Orchid. Pl. (1833) 185; ≡ Eulophia stricta (C.Presl) Ames, Orchidaceae 5 (1915) 103, nom. illeg., non Rolfe; Ames in Merrill, EPFP 1 (1924) 340; Type: from Java. Distribution: Borneo, Java, Lesser Sunda Isls, Philippines, Sulawesi. BOHOL, LUZON: Albay, Mountain Province, Rizal, MINDANAO: Agusan del Norte, Davao del Sur, Misamis Oriental (photos), South Cotabato. Native.
4. Eulophia graminea Lindl., Gen. Sp. Orchid. Pl. (1833) 182; Cootes, Philippine Native Orchid Species (2011) 153; Type: from Singapore. Distribution: Australia, Borneo, China, Hong Kong, India, Japan, Java, Laos, Malay Peninsula, Myanmar, Nepal, Nicobar Isls, Philippines, Ryukyu Isls, Singapore, Sri Lanka, Sumatra, Taiwan, Thailand, Vietnam. DINAGAT, LUZON: Cagayan (photos), SAMAR (photos). Notes: Terrestrial, up to 500m. Native.
5. Eulophia nuda Lindl., Gen. Sp. Orchid. Pl. (1833) 180; ≡ Eulophia spectabilis (Dennst.) Suresh, Interpr. Van Rheede's Hort. Malab. (1988) 300, nom. illeg., nom. superfl.; Cootes, Philippine Native Orchid Species (2011) 154; ≡ Wolfia spectabilis Dennst., Schlüssel Hortus Malab. (1818) 38, nom. illeg. = Eulophia squalida Lindl., Edwards's Bot. Reg. 27(Misc.) (1841) 77; Ames in Merrill, EPFP 1 (1924) 339. = Eulophia macgregorii Ames, PJS 9c (1914) 12; Type: not from the Philippines. Distribution: Bangladesh, Bhutan, Borneo, Cambodia, China, India, Java, Laos, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, Nepal, New Guinea, Pacific Ocean, Philippines, Solomon Isls, Sri Lanka, Sulawesi, Sumatra, Thailand, Vietnam. APULIT, BALABAC, BANCALAN, CEBU (photos), LEYTE, LUZON: Benguet, Mountain Province, Pampanga, Quezon, Tarlac, Zambales, MANGSEE, MINDANAO: Davao, Zamboanga del Norte (photos), MINDORO, PALAWAN. Notes: Terrestrial. (?-)100-200m (photos) to 1300m. Native.
6. Eulophia picta (R.Br.) Ormerod, Checkl. Papuasian Orchids (2017) 293; Naive et al., Phytotaxa 548 (2022) 292; ≡ Cymbidium pictum R.Br., Prodr. Fl. Nov. Holland. (1810) 331; Type: from Australia. = Limodorum densiflorum Lam., Encycl. (Lamarck) 3 (1792) 516; ≡ Malaxis cernua Willd., Sp. Pl., 4th Ed. 4 (1805) 93, nom. illeg.; ≡ Geodorum densiflorum (Lam.) Schltr., Repert. Spec. Nov. Regni Veg. Beih. 4 (1919) 259; Cootes, Philippine Native Orchid Species (2011) 162; ≡ Eulophia cernua (Willd.) T.C.Hsu, Ill. Fl. Taiwan 2 (2016) 36, nom. illeg.; ≡ Eulophia cernua (Willd.) M.W.Chase, Kumar & Schuit., Phytotaxa 491 (2021) 51, nom. illeg.; Type: from India. = Dendrobium nutans C.Presl, Symb. Bot. (Presl) 1 (1832) 34; ≡ Geodorum nutans (C.Presl) Ames, Orchidaceae 2 (1908) 164; Ames in Merrill, EPFP 1 (1924) 341; Type: T.Haenke, Sym. Bot. 1 (1831) t. 23 (K), Luzon. = Arethusa glutinosa Blanco, Fl. Filip., 1st Ed. (1837) 641; Voucher: Merrill Species Blancoanae 511 (US), Luzon: Near Manila, Oct-1914. = Geodorum semicristatum Lindl., Fol. Orchid. 6 (1855) 2; Type: Cuming 2107 (BM, K, L, syn), Philippines. Distribution: Australia, Bangladesh, China, Hong Kong, India, Java, Malay Peninsula, Myanmar, Nepal, New Caledonia, Pacific Ocean, Philippines, Ryukyu Isls, Sulawesi, Sumatra, Taiwan, Thailand, Vietnam. APULIT, BABUYAN ISLS, BANCALAN, BILIRAN, BOHOL (photos), BUSUANGA, CEBU (photos), DALUPIRI, JOLO (photos), LEYTE, LUZON: Albay (photos), Apayao (photos), Bataan, Batangas (photos), Benguet (photos), Camarines, Camarines Sur, Cavite, Ilocos Sur (photos), Laguna, Nueva Vizcaya, Pangasinan (photos), Quezon, Rizal, Sorsogon, Zambales (photos), MASBATE, MINDANAO: Bukidnon, Davao, Sultan Kudarat (photos), Surigao, Zamboanga del Norte (photos), MINDORO, NEGROS, PALAWAN, PANAY, POLILLO, SAMAR. Notes: The name Eulophia densiflora is already occupied by Eulophia densiflora Lindl. Terrestrial in secondary forests and open grasslands and other degraded habitats. 0-500m to 949-980m (photos). Native.
7. Eulophia pulchra (Thouars) Lindl., Gen. Sp. Orchid. Pl. (1833) 182; ≡ Eulophidium pulchrum (Thouars) Summerh., Bull. Jard. Bot. État Bruxelles 27 (1957) 400; ≡ Oeceoclades pulchra (Thouars) P.J.Cribb & M.A.Clem., Austral. Orchid Rev. 1 (1989) 99; Cootes, Philippine Native Orchid Species (2011) 193; Bone et al., Bot. J. Linn. Soc. 179 (2015) 43-56; ≡ Limodorum pulchrum Thouars, Hist. Orchid. (1822) t.43; Type: from Madagascar. = Eulophia macrostachya Lindl., Gen. Sp. Orchid. Pl. (1833) 133; Bot. Reg. 23 (1837) t. 1972; Ames in Merrill, EPFP 1 (1924) 339; Type: from Sri Lanka. Distribution: Africa, Australia, Cambodia, India, Indian Ocean, Java, Laos, Madagascar, Malaysia, New Guinea, Pacific Ocean, Philippines, Sri Lanka, Taiwan, Thailand, Vietnam. BILIRAN, BUSUANGA, CAMIGUIN, CEBU (photos), LEYTE, LUZON: Aurora, Benguet, Camarines, Laguna, Quezon, Sorsogon, MINDANAO: Lanao, Zamboanga, Zamboanga del Norte (photos), Zamboanga del Sur, MINDORO, PALAWAN, PANAY (photos), SAMAR. Notes: Terrestrial, up to 500m. Native.
8. Eulophia terrestris (L.) M.W.Chase, Kumar & Schuit., Phytotaxa 491 (2021) 53; ≡ Geodorum terrestre (L.) Garay, Harvard Pap. Bot. 2 (1997) 47; ≡ Phaius terrestris (L.) Ormerod, Austral. Orchid Rev. 59 (1994) 14; Cootes, Philippine Native Orchid Species (2011) 205; ≡ Epidendrum terrestre L., Syst. Nat., 10th Ed. 2 (1759) 1246. Distribution: Bangladesh to Malay Peninsula, Philippines. Native.
9. Eulophia zollingeri (Rchb.f.) J.J.Sm., Orch. Java (1905) 228; Cootes, Philippine Native Orchid Species (2011) 154; ≡ Cyrtopera zollingeri Rchb.f., Bonplandia 5 (1857) 38; Type: from Java. = Eulophia zollingerioides P.O'Byrne, Malesian Orchid J. 7 (2011) 58. Distribution: Australia, China, India, Java, Malaysia, New Guinea, Philippines, Ryukyu Isls, Sri Lanka, Taiwan, Thailand, Vietnam. BOHOL (photos), CEBU (photos), LEYTE, LUZON: Bataan, Bulacan (photos), Isabela (photos), Nueva Vizcaya (photos), Quezon, Rizal, Sorsogon, MINDANAO: Agusan del Sur (photos), Davao, Davao de Oro (photos), Davao del Sur (photos), Misamis Oriental (photos), Sultan Kudarat (photos), MINDORO, NEGROS. Notes: Terrestrial. 0-1000m. Native.