Anisoptera

Anisoptera^[2] is a genus of plants in the family Dipterocarpaceae. The name Anisoptera is derived from Greek (anisos = “unequal” and pteron = “wing”) and describes the unequal fruit calyx lobes. It contains ten species distributed from Chittagong (Bangladesh) to New Guinea.^[3] Eight out of the ten species are currently listed on the IUCN redlist. Of these, four species are listed as critically endangered and the other four as endangered. The main threat is habitat loss. The timber is a light hardwood.

Species

Ten species are accepted:^[1]

• Anisoptera aurea Foxw. – Philippines
• Anisoptera costata Korth. – Indochina, Peninsular Malaysia, Sumatra, Java, Borneo, and Philippines
• Anisoptera curtisii Dyer ex King – Myanmar, Thailand, Peninsular Malaysia, and Sumatra
• Anisoptera grossivenia V.Sloot. – Borneo
• Anisoptera laevis Ridl. – Peninsular Thailand, Peninsular Malaysia, Sumatra, and Borneo
• Anisoptera marginata Korth. – Peninsular Malaysia, Sumatra, and Borneo
• Anisoptera megistocarpa Slooten – Peninsular Thailand, Peninsular Malaysia, and Sumatra
• Anisoptera reticulata P.S.Ashton – western and northwestern Borneo
• Anisoptera scaphula (Roxb.) Kurz – Assam, Bangladesh, Myanmar, Thailand, Peninsular Malaysia, and Vietnam
• Anisoptera thurifera (Blanco) Blume – Philippines, Sulawesi, Maluku, and New Guinea

NB: Anisoptera parvifolia Warb. is a synonym of Hopea parvifolia (Warb.) Slooten

References