Crotalaria monteiroi Trubert ex Baker F.

Shrub or bushy subshrub, 1-2 m tall, with hairy ± glabrescent branches. Leaves often with short axillary shoots bearing clusters of smaller leaves, 3-foliolate; leaflets usually small and obovate, but in var. galpinii varying from oblong-oblanceolate to elliptic-obovate, 7-20(-30) x 4-10 mm, usually glabrous above, puberulous beneath; petiole ±0.5-1.7 times as long as the leaflets. Stipules absent. Racemes mostly few-flowered; bracts subulate or linear, 1-3 mm long; bracteoles minute. Calyx 7-10 mm long, puberulous, rarely subglabrous; lobes triangular, sometimes acuminate, ± as long as the tube. Standard ovate, yellow, usually marked orange or brown, glabrous or medially puberulous outside; wings 0.75-0.9 times as long as the keel; keel rounded about the middle, with a rather short bluntly pointed beak, 1.6-2 cm long. Legume oblong-clavate, with the 6-8 mm long stipe 2-3(-3.5) cm long, pubescent. Seeds subcircular-cordiform, ±3.5 mm long, granulate or slightly rugulose, ochre or pale brown.