Mucuna acuminata Graham ex Baker

Wiriadinata, H., Ohashi, H. & Adema, F., 2016, Notes on Malesian Fabaceae (Leguminosae-Papilionoideae) 16. The genus Mucuna, Blumea 61 (2), pp. 90-124 : 103

1. Mucuna acuminata Graham ex Baker

Mucuna acuminata Graham ex Baker (1879) 185; Prain (1897a) 67; Ridl. (1922) 577;Backer & Bakh.f.(1964) 630; Wilmot-Dear (1992) 214. — Type: Wall . Cat 5621 (K-Wall, BM, K), Penang, 1822.

Mucuna lucidula Burck (1893) 190. — Type: Beccari PS 621 (K, L), Sumatra, Ajer Mantjoer .

Distribution — Malesia: Peninsular Malaysia; Singapore; Sumatra; Java; Lesser Sunda Islands: Bali, Flores.

Habitat & Ecology — Primary and secondary forest, water- sides, shrubbery, hedges, edges of sugarcane fields.Altitude up to 1400 m. Flowering: January, February, July, August, December; fruiting: January, February, May to August.

Note — The inflorescence is basically a pseudoraceme with (few) brachyblasts clustered at the apex of the rachis with 3 flowers at the apex of the brachyblasts. The whole looks like an umbel. The calyx is in bud more or less cylindrical or urnshaped, when the corolla starts to expand the calyx widens and gets pushed backwards, finally the calyx is campanulate and tucked up. Ripe pods are mostly glabrous except for the wings, the irritant hairs are present at the wings for a long time.