Flora of Barro Colorado Island

Teramnus uncinatus

(L.) Sw., Prodr. Veg. Ind. Occ. 105. 1788

Glycine uncinata (L.) J. F. Macbr.

Vine; most parts sericeous. Leaves trifoliolate; stipules ovate, ca 3 mm long; petioles 3-6 cm long; petiolules pulvinate, articulate; leaflets ovate to oblong-lanceolate, 5-8 cm long, acute to obtuse at apex, rounded or slightly subcordate at base, green and densely strigose above, pale and densely sericeous below. Racemes axillary, slender, bearing few flowers; calyx pilose, 5-6 mm long, the 5 lobes narrow; corolla purplish or whitish, only slightly exceeding the calyx. Legumes flattened, 4-7 cm long, 3-4 mm wide, densely long-villous, beaked; seeds num­erous, oblong, ca 3 mm long, shiny, brown. Croat 13151.

Collected at the edge of the forest, in shade near the Animal House in the Laboratory Clearing. Flowers and fruits in the early dry season, from December to February.

Southern Mexico to South America; West Indies; introduced into tropical Africa. In Panama, known from tropical moist forest in the Canal Zone, Los Santos, Panama, and Darien, from premontane wet forest in Chiriqui, and from premontane rain forest in Los Santos.