Escalloniaceae

Polyosma Blume

Last edited by Pieter B. Pelser, 28 May 2026
  1. Polyosma fragrans (Wall.) Benn., Pl. Jav. Rar. (Bennett) (1840) 196; ≡ Itea fragrans Wall., Fl. Ind. (Carey & Wallich) 2 (1824) 420. = Polyosma mutabilis Blume, Mus. Bot. 1 (1851) 261. Distribution: Borneo, Malay Peninsula, Philippines, Sumatra, Thailand, Vietnam. PALAWAN. Conservation status: Least Concern (IUCN 3.1). Native.
  2. Polyosma gitingensis Elmer, LPB 5 (1913) 1634; Merrill, EPFP 2 (1923) 220. Distribution: Endemic to the Philippines. BILIRAN, LEYTE, PANAY, SIBUYAN. Notes: Forests. 500-914m. Native.
  3. Polyosma integrifolia Blume, Bijdr. fl. Ned. Ind. (1826) 659; Saw in Ng (ed.), Tree Fl. Malaya 4 (1989) 466; Paul et al., Blumea 69 (2024) 74; Type: from Java. = Polyosma apoensis Elmer, LPB 5 (1913) 1633; Merrill, EPFP 2 (1923) 220. = Polyosma cyanea Elmer, LPB 5 (1913) 1637; Merrill, EPFP 2 (1923) 220. Distribution: Andaman Isls, Borneo, Java, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, New Guinea, Philippines, Solomon Isls, Sulawesi, Thailand. BILIRAN, CAMIGUIN, CATANDUANES, LEYTE, LUZON: Apayao, Aurora, Benguet, Laguna, Mountain Province, Quezon, Sorsogon, MINDANAO: Agusan, Agusan del Norte, Bukidnon, Cotabato, Davao, Davao Oriental, Davao del Sur, Surigao, PALAWAN, PANAY, SIBUYAN. Notes: Lowland to ridge-top forests. 100-1500(-2000)m. Conservation status: Least Concern (IUCN 3.1). Native.
  4. Polyosma lagunensis Merr., PJS 10c (1915) 5; Merrill, EPFP 2 (1923) 220; Type: BS 20393 Ramos. Distribution: Endemic to the Philippines. CATANDUANES, LUZON: Laguna. Notes: Lowland and medium elevation forests. Native.
  5. Polyosma linearibractea Merr., PJS 10c (1915) 6; Merrill, EPFP 2 (1923) 220; Type: BS 19656 R.C. McGregor. Distribution: Endemic to the Philippines. LUZON: Apayao (photos), Benguet, Ifugao, Mountain Province, Nueva Vizcaya. Notes: Montane forests. 1400(-?)m. Native.
  6. Polyosma longipetiolata Merr., PJS 14 (1919) 400; Merrill, EPFP 2 (1923) 221; Type: BS 33259 Ramos. Distribution: Endemic to the Philippines. LUZON: Ilocos Norte. Notes: Synonym of Polyosma philippinensis Merr.? Forests. 1000m. Native.
  7. Polyosma philippinensis Merr., Publ. Bur. Sci. Gov. Lab. 29 (1905) 16; Merrill, EPFP 2 (1923) 221; Type: FB 828 Borden. Distribution: Endemic to the Philippines. CAMIGUIN, LEYTE, LUZON: Bataan, Benguet, Camarines, Laguna, Mountain Province, Quezon, Sorsogon, Zambales, MINDANAO: Davao, Davao del Sur, MINDORO. Notes: Medium elevation forests. (?-)2000m. Native.
  8. Polyosma piperi Merr., PJS 7c (1912) 271; Merrill, EPFP 2 (1923) 221; Type: Piper 519, Mindanao: Surigao del Sur, Hinatuan, 16-May-1911. Distribution: Endemic to the Philippines. LEYTE, MINDANAO: Bukidnon, Surigao del Sur, SAMAR. Notes: Low and medium elevation forests. Native.
  9. Polyosma pulgarensis Elmer, LPB 5 (1913) 1636; Merrill, EPFP 2 (1923) 221; Type: Elmer 13187. Distribution: Endemic to the Philippines. PALAWAN. Notes: From Puerto Princesa (Thumb Peak). Exposed ridge and peak thickets. 1280m. DAO category: Other Threatened Species. Native.
  10. Polyosma retusa C.B.Rob., PJS 6c (1911) 321; Merrill, EPFP 2 (1923) 221; Type: BS 9362 Robinson. Distribution: Endemic to the Philippines. LUZON: Quezon. Notes: 840m. Native.
  11. Polyosma urdanetensis Elmer, LPB 5 (1913) 1637; Merrill, EPFP 2 (1923) 221; Type: Elmer 13793. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte, ?Davao de Oro (photos). Notes: Mossy forests. 1905m. Native.
  12. Polyosma verticillata Merr., PJS 7c (1912) 272; Merrill, EPFP 2 (1923) 221; Type: Merrill Philip. Pl. 772, Luzon: Benguet, Mt Tonglon (Santo Tomas), May-1911. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province, MINDANAO: Bukidnon, Davao del Sur, NEGROS, SAMAR. Notes: Montane forests. 1650-2400m. Native.
  13. Polyosma villosa Merr., PJS 14 (1919) 399; Merrill, EPFP 2 (1923) 221; Type: BS 33340 Ramos. Distribution: Endemic to the Philippines. LUZON: Apayao (photos), Ilocos Norte. Notes: Forests. 900m to 1900-1950m (photos). Native.

Needs name

  1. Polyosma sorsogonensis Elmer, LPB 10 (1939) 3790; LPB 9 (1925) 3137, nom. inval., nom. nud.; Type: Elmer 14693 (HGB, US, isosyn), Luzon: Sorsogon, Irosin, Mt Bulusan, Oct-1915; Elmer 15263 (HGB, US, isosyn), Luzon: Sorsogon, Irosin, Mt Bulusan, Nov-1915; Elmer 16678 (HBG, P, US, isosyn), Luzon: Sorsogon, Irosin, Mt Bulusan, Jul-1916. Distribution: Endemic to the Philippines. LEYTE, LUZON: Laguna, Quezon, Sorsogon, PALAWAN. Native.

References