Crotalaria microcarpa Hochst. ex Benth.

Much branched spreading and ascending or procumbent annual, up to 3–7 dm. tall, more rarely persisting as a perennial in damp places.. Stem covered with rather long white subappressed or spreading hairs.. Leaves 3-foliolate; leaflets lanceolate to oblanceolate, up to 12–28 mm. long, 4–7 mm. wide, pilose on both surfaces; petiole up to 2–4 mm. long.. Stipules filiform, 1–2 mm. long.. Flowers few to numerous in heads or short dense, rarely lax, racemes on a slender 3–10 cm. long peduncle; bracts linear or linear-lanceolate, 1·5–3·5 mm. long; bracteoles inserted at the base of the calyx, filiform, ± 1–2 mm. long.. Calyx 2·5–3·5 mm. long, appressed pilose; lobes triangular, ± as long as the tube.. Standard elliptic-obovate, yellow, usually marked red, pubescent outside; wings ± as long as the keel; keel bent at right-angles in the lower part, with a straight or slightly recurved narrow untwisted beak, 4·5–7·5 mm. long.. Pod sessile, ellipsoid-oblong or conoid-oblong, 4–7·5 mm. long, 2–4 mm. across, pubescent, ± 8–12-seeded.. Seeds oblique-cordiform, ± 1–1·2 mm. long, smooth, brown.

A tropical plant. It grows in sandy soils. It grows between sea level and 1,500 m above sea level. It can grow in arid places.

The leaves are eaten as a green vegetable.