Escalloniaceae

Polyosma Blume

Last edited by Pieter B. Pelser & Jayson Mansibang, 28 June 2022
  1. Polyosma gitingensis Elmer, LPB 5 (1913) 1634; Merr., EPFP 2 (1923) 220. Distribution: Endemic to the Philippines. BILIRAN, LEYTE, PANAY, SIBUYAN. Notes: Forests, 500-900m. Native.
  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. Distribution: Borneo, Java, Malay Peninsula, Philippines. MINDANAO: Agusan, Bukidnon, Davao, Surigao. Notes: Lowland to ridge-top forests, 100-1300m. Native.
  3. Polyosma lagunensis Merr., PJS 10 c (1915) Bot. 5; EPFP 2 (1923) 220; Type: BS 20393 Ramos. Distribution: Endemic to the Philippines. CATANDUANES, LUZON: Laguna. Notes: Lowland and medium elevation forests. Native.
  4. Polyosma linearibractea Merr., PJS 10 c (1915) Bot. 6; EPFP 2 (1923) 220; Type: BS 19656 R.C. McGregor. Distribution: Endemic to the Philippines. LUZON: Ifugao, Mountain Province. Notes: Montane forests at or above 1400m. Native.
  5. Polyosma longipetiolata Merr., PJS 14 (1919) 400; EPFP 2 (1923) 221; Type: BS 33259 Ramos. Distribution: Endemic to the Philippines. LUZON: Ilocos Norte. Notes: Forests, c. 1000m. Synonym of Polyosma philippinensis Merr.?. Native.
  6. Polyosma philippinensis Merr., Govt. Lab. Publ. (Philipp.) 29 (1905) 16; EPFP 2 (1923) 221; Type: FB 828 Borden. Distribution: Endemic to the Philippines. LUZON: Bataan, Benguet, Camarines, Laguna, Quezon, Sorsogon, Zambales, MINDORO. Notes: Medium elevation forests, ascending to 2000m. Native.
  7. Polyosma piperi Merr., PJS 7 c (1912) Bot. 271; EPFP 2 (1923) 221; Type: Piper 519. Distribution: Endemic to the Philippines. LEYTE, MINDANAO: Bukidnon, Surigao, SAMAR. Notes: Low and medium elevation forests. Native.
  8. Polyosma pulgarensis Elmer, LPB 5 (1913) 1636; Merr., EPFP 2 (1923) 221; Type: Elmer 13187. Distribution: Endemic to the Philippines. PALAWAN. Notes: From Puerto Princesa (Thumb Peak). Exposed ridge and peak thickets, c. 1250m. Conservation status: Other Threatened Species (DAO 2017-11). Native.
  9. Polyosma retusa C.B.Rob., PJS 6 c (1911) Bot. 321; EPFP 2 (1923) 221; Type: BS 9362 Robinson. Distribution: Endemic to the Philippines. LUZON: Quezon. Notes: 840m. Native.
  10. Polyosma urdanetensis Elmer, LPB 5 (1913) 1637; Merr., EPFP 2 (1923) 221; Type: Elmer 13793. Distribution: Endemic to the Philippines. MINDANAO: Agusan del Norte. Notes: Mossy forests, c. 1900m. Native.
  11. Polyosma verticillata Merr., PJS 7 c (1912) Bot. 272; EPFP 2 (1923) 221; Type: Merrill Philip. Pl. 772. Distribution: Endemic to the Philippines. LUZON: Benguet, Mountain Province. Notes: Montane forests, 1650-2400m. Native.
  12. Polyosma villosa Merr., PJS 14 (1919) 399; EPFP 2 (1923) 221; Type: BS 33340 Ramos. Distribution: Endemic to the Philippines. LUZON: Ilocos Norte. Notes: Forests, c. 900m. Native.

Possibly present

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

Needs name

  1. Polyosma sorsogonensis Elmer, LPB 10 (1939) 3790; LPB 9 (1925) 3137, 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. Native.

Literature