Clethraceae

Clethra L.

Last edited by Pieter B. Pelser, 8 August 2024
  1. Clethra canescens Reinw. ex Blume, Bijdr. fl. Ned. Ind. (1826) 863; Fern.-Villar, Novis. App. (1880) 121; S.Vidal, Sinopsis Atlas (1883) 30; Phan. Cuming. Philip. (1885) 123; Rev. Pl. Vasc. Filip. (1886) 172; Merrill, EPFP 3 (1923) 242; Sleumer, Fl. Males. ser. 1, 7 (1971) 145. Distribution: New Guinea, Philippines, Sulawesi. BATAN, BILIRAN, CAMIGUIN, CATANDUANES, CEBU (photos), DINAGAT, LEYTE, LUZON: Abra, Albay, Apayao (photos), Aurora, Bataan, Benguet, Cagayan, Camarines Sur, Ifugao, Ilocos Norte, Ilocos Sur, Isabela, Laguna, Mountain Province, Nueva Ecija, Nueva Vizcaya, Pampanga, Quezon, Sorsogon, Zambales, MINDANAO: Agusan del Norte, Bukidnon, Cotabato, Davao, Davao Oriental, Davao del Sur, Misamis Occidental, Misamis Oriental (photos), South Cotabato, Surigao del Sur, Zamboanga del Norte (photos), MINDORO, NEGROS, PANAY (photos), SAMAR, SIBUYAN. Notes: Montane forests (including mossy), mainly on ridges and peaks. (400-)700-2100(-3000)m. Conservation status: Least Concern (IUCN 3.1). Native.
    • var. luzonica (Merr.) Sleumer, Bot. Jahrb. Syst. 87 (1967) 88; Sleumer, Fl. Males. ser. 1, 7 (1971) 145; ≡ Clethra luzonica Merr., Publ. Bur. Sci. Gov. Lab. 29 (1905) 38; Merrill & Merritt, PJS 5c (1910) 371; Merrill, EPFP 3 (1923) 242. Distribution: Endemic to the Philippines. LUZON: Aurora, Benguet, Ifugao, Ilocos Sur, Isabela, Mountain Province, Nueva Vizcaya, SAMAR, SIBUYAN. Notes: Lithocarpus or Podocarpus (Dacrycarpus)-dominated montane broad-leaved forests, pine forest, scrubs on exposed ridges, rather common locally. Fl. & fr. Jan-Dec. 1220-2250(-2700?)m. Native.
    • var. novoguineensis (Kaneh. & Hatus.) Sleumer, Bot. Jahrb. Syst. 87 (1967) 90; Sleumer, Fl. Males. ser. 1, 7 (1971) 146; ≡ Clethra longispicata var. novoguineensis Kaneh. & Hatus., Bot. Mag. (Tokyo) 56 (1942) 472. = Clethra williamsii C.B.Rob., Bull. Torrey Bot. Club 35 (1908) 73. = Clethra lancifolia Turcz., Bull. Soc. Imp. Naturalistes Moscou 36 (1863) 231; Merrill, EPFP 3 (1923) 242. = Clethra castanea Elmer, LPB 9 (1934) 3182; Type: Elmer 22245 (L, lecto; MO, NY, iso), Luzon: Pampanga, Mt Pinatubo, Camp Stotsenburg, May-1927. Distribution: BATAN, BILIRAN, CAMIGUIN, CATANDUANES, DINAGAT, LEYTE, LUZON: Abra, Albay, Aurora, Bataan, Benguet, Cagayan, Camarines Sur, Ifugao, Ilocos Norte, Laguna, Mountain Province, Nueva Ecija, Nueva Vizcaya, Pampanga, Quezon, Sorsogon, Zambales, MINDANAO: Agusan del Norte, Bukidnon, Cotabato, Davao, Davao Oriental, Davao del Sur, Misamis Occidental, South Cotabato, Surigao del Sur, MINDORO, NEGROS, SAMAR. Notes: (400-)700-2100m. Native.
  2. Clethra longispicata J.J.Sm., Bull. Jard. Bot. Buitenzorg, 3rd Sér. 4 (1922) 240; Sleumer, Bot. Jahrb. 87 (1967) 96; Sleumer, Fl. Males. ser. 1, 7 (1971) 148. Distribution: Borneo, Philippines, Sulawesi. MINDORO, PALAWAN. Notes: (60-)500-1525m. Native.
  3. Clethra pulgarensis Elmer, LPB 5 (1913) 1757; Merrill, EPFP 3 (1923) 243; Sleum., Bot. Jahrb. 87 (1967) 99; Fl. Males. ser. 1, 7 (1971) 150. Distribution: Endemic to the Philippines. PALAWAN. Notes: Low woody vegetation on summit of Mt Pulgar. Fl. & fr. May. 1200m. Conservation status: Critically Endangered (IUCN 3.1). DAO category: Vulnerable. Native.
  4. Clethra tomentella Rolfe ex Dunn, Bull. Misc. Inform. Kew 1922 (1922) 185; Merrill, EPFP 3 (1923) 243; Sleum., Bot. Jahrb. 87 (1967) 94; Fl. Males. ser. 1, 7 (1971) 148. Distribution: Endemic to the Philippines. LUZON: Aurora, Batangas, Benguet, Laguna, Mountain Province, Nueva Vizcaya, Quezon, Rizal. Notes: In Luzon from Mountain Province to Batangas. Scattered in thickets or forests, chiefly on ridges in mossy forests. Fl. & fr. May-Sep. 600-1800m. Conservation status: Vulnerable (IUCN 3.1). Native.

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