Clethraceae

Clethra L.

Last edited by Pieter B. Pelser, 5 April 2024
  1. Clethra canescens Reinw. ex Blume, Bijdr. (1826) 863. Distribution: New Guinea, Philippines, Sulawesi. BATAN, BILIRAN, CAMIGUIN, CATANDUANES, 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, South Cotabato, Surigao del Sur, MINDORO, NEGROS, SAMAR. Notes: Montane forests (including mossy), mainly on ridges and peaks, (400-)700-2100m. Native.
    • var. luzonica (Merr.) Sleumer, Bot. Jahrb. 87 (1967) 88; Fl. Males. ser. 1, 7 (1971) 145; ≡ Clethra luzonica Merr., Govt. Lab. Publ. (Philip.) 29 (1905) 38; PJS 5 c (1910) Bot. 371; EPFP 3 (1923) 242. Distribution: Endemic to the Philippines. LUZON: Aurora, Benguet, Ifugao, Ilocos Sur, Isabela, Mountain Province, Nueva Vizcaya, SAMAR. Notes: Lithocarpus or Podocarpus (Dacrycarpus)-dominated montane broad-leaved forests, pine forest, scrubs on exposed ridges, 1220-2250(-2700?)m, rather common locally. Fl. & fr. Jan-Dec. Native.
    • var. novoguineensis (Kaneh. & Hatus.) Sleumer, Bot. Jahrb. 87 (1967) 90; Fl. Males. ser. 1, 7 (1971) 146; ≡ Clethra longispicata var. novoguineensis Kaneh. & Hatus., Bot. Mag. Tokyo 56 (1942) 472. = Clethra lancifolia Turcz., Bull. Soc. Nat. Mosc. 362 (1863) 231; Merr., 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. ≠ Clethra canescens auct. non Reinw. ex Blume; Fern.-Villar, Novis. App. (1880) 121; S.Vidal, Sinopsis Atlas (1883) 30; Phan. Cuming. Philip. (1885) 123; Rev. Pl. Vasc. Filip. (1886) 172; Merr., EPFP 3 (1923) 242. 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. Native.
  2. Clethra longispicata J.J.Sm., Bull. Jard. Bot. Buitenz. 3, 4 (1922) 240; Sleum., Bot. Jahrb. 87 (1967) 96; Fl. Males. ser. 1, 7 (1971) 148. Distribution: Borneo, Philippines, Sulawesi. MINDORO, PALAWAN. Native.
  3. Clethra pulgarensis Elmer, LPB 5 (1913) 1757; Merr., 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, 1200m. Fl. & fr. May. Conservation status: Vulnerable (DAO 2017-11). Native.
  4. Clethra tomentella Rolfe ex Dunn, Bull. Misc. Inform. Kew 1922 (1922) 185; Merr., 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, 600-1800m. Fl. & fr. May-Sep. Native.

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