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Escalloniaceae

Polyosma Blume

Last edited by John Paul Collantes & Pieter B. Pelser, 24 May 2020

Photos
  1. Polyosma gitingensis Elmer, LPB 5 (1913) 1634; --Merr., EPFP 2 (1923) 220. Endemic to the Philippines. SIBUYAN, PANAY, BILIRAN, LEYTE. Forests, 500-900m. Photos
  2. Polyosma integrifolia Blume, Bijdr. (1825) 659; --Saw in Ng (ed.), Tree Fl. Malaya 4 (1989) 466. --Polyosma apoensis Elmer, LPB 5 (1913) 1633; --Merr., EPFP 2 (1923) 220. --Polyosma cyanea Elmer, LPB 5 (1913) 1637; --Merr., EPFP 2 (1923) 220. Peninsular Malaysia, Java, Borneo, Philippines. MINDANAO: Bukidnon, Davao, Agusan, Surigao. Lowland to ridge-top forests, 100-1300m.
  3. Polyosma lagunensis Merr., PJS 10 c (1915) Bot. 5; EPFP 2 (1923) 220; --Type: BS 20393 Ramos. Endemic to the Philippines. LUZON: Laguna, CATANDUANES. Lowland and medium elevation forests.
  4. Polyosma linearibractea Merr., PJS 10 c (1915) Bot. 6; EPFP 2 (1923) 220; --Type: BS 19656 R.C. McGregor. Endemic to the Philippines. LUZON: Ifugao, Mountain Province. Montane forests at or above 1400m.
  5. Polyosma longipetiolata Merr., PJS 14 (1919) 400; EPFP 2 (1923) 221; --Type: BS 33259 Ramos. Endemic to the Philippines. LUZON: Ilocos Norte. Forests, c. 1000m. Synonym of Polyosma philippinensis Merr.?
  6. Polyosma philippinensis Merr., Govt. Lab. Publ. (Philipp.) 29 (1905) 16; EPFP 2 (1923) 221; --Type: FB 828 Borden. Endemic to the Philippines. LUZON: Benguet, Zambales, Bataan, Laguna, Quezon, Camarines, Sorsogon, MINDORO. Medium elevation forests, ascending to 2000m.
  7. Polyosma piperi Merr., PJS 7 c (1912) Bot. 271; EPFP 2 (1923) 221; --Type: Piper 519. Endemic to the Philippines. LEYTE, SAMAR, MINDANAO: Bukidnon, Surigao. Low and medium elevation forests.
  8. Polyosma pulgarensis Elmer, LPB 5 (1913) 1636; --Merr., EPFP 2 (1923) 221; --Type: Elmer 13187. Endemic to the Philippines. PALAWAN: Puerto Princesa (Thumb Peak). Exposed ridge and peak thickets, c. 1250m. Conservation status: Other Threatened Species (DAO 2017-11).
  9. Polyosma retusa C.B.Rob., PJS 6 c (1911) Bot. 321; EPFP 2 (1923) 221; --Type: BS 9362 Robinson. Endemic to the Philippines. LUZON: Quezon (Mt Binuang), c. 840m.
  10. Polyosma sorsogonensis Elmer, LPB 10 (1939) 3790; LPB 9 (1925) 3137, nom. nud.
  11. Polyosma urdanetensis Elmer, LPB 5 (1913) 1637; --Merr., EPFP 2 (1923) 221; --Type: Elmer 13793. Endemic to the Philippines. MINDANAO: Agusan del Norte (Mt Hilong-hilong). Mossy forests, c. 1900m.
  12. Polyosma verticillata Merr., PJS 7 c (1912) Bot. 272; EPFP 2 (1923) 221; --Type: Merrill Philip. Pl. 772. Endemic to the Philippines. LUZON: Mountain Province, Benguet. Montane forests, 1650-2400m.
  13. Polyosma villosa Merr., PJS 14 (1919) 399; EPFP 2 (1923) 221; --Type: BS 33340 Ramos. Endemic to the Philippines. LUZON: Ilocos Norte. Forests, c. 900m.

Possibly present:

  1. Polyosma fragrans (Wall.) Benn., Pl. Jav. Rar. (1840) 196; --Itea fragrans Wall., Fl. Ind. 2 (1824) 420. Peninsular Malaysia, ?Philippines. ?PALAWAN. Note by P.B. Pelser: possibly represented by Podzorski SMHI 2102 (L).

Acknowledgements

John Rey Callado contributed some of the photos linked to this webpage. John Paul Collantes brought the possible presence of Polyosma fragrans in the Philippines to the attention of the editors.

Literature

DENR Administrative Order. 2017. Updated national list of threatened Philippine plants and their categories. DAO 2017-11

Elmer, ADE. 1913. Philippine Polyosma. Leaflets of Philippine Botany 5: 1633-1639

Pelser, P.B., J.F. Barcelona & D.L. Nickrent (eds.). 2011 onwards. Co's Digital Flora of the Philippines. www.philippineplants.org

Copyright 2011, Co's Digital Flora of the Philippines

Last updated 14 September 2020