A New Species of Mucuna (Leguminosae-Phaseoleae) from Thailand, and a Revised Key to the Species in Thailand, Indochina and the Malay Peninsula

Abstract

Mucuna oligoplax Niyomdham & Wilmot-Dear sp. nov. fructu atque forma coloreque corollae M. giganteae (Willd.) DC. similis sed lamellis partialibus tantum sed manifestis ex superficie fructus orientibus, pedicellis omnibus ? aequilongis, partibus corollae maioribus, inflorescentia brevi atque lobis calycis longis M. acuminatae simulantibus, caule foliisque ferruginoso-pubescentibus M. monospermae simulantibus differt. Typus: Thailand peninsula, Songkhla, Nathawee, Khao Nam Kaang Nat. Park, 22 Oct. 1991, Larsen et al. 42455 (holotypus K!; isotypi AAU, BKF, L, PSU).