Herb, shrub, or small tree to 3 m tall; stem terete, strigulose. Leaves trifo-liolate, the terminal leaflet elliptic or elliptic lanceolate, apex acute or acuminate, the base cuneate, 3.3-8.0 cm long, 1.0-3.3 cm broad, the margins entire, above glabrous, beneath strigulose, veins 7-11 on each side of the midvein, lateral leaflets similar but slightly smaller; petiole 2.0-6.3 cm long; stipules linear tri-angular, ca. 1.0 mm long, persistent. Inflorescences leaf-opposed racemes bearing 20-36 flowers; bracts linear triangular, 1.0-1.7 mm long, persistent; pedicels 4.0-5.0 mm long; bracteoles absent or represented by a barely visible lobe above mid-pedicel. Flowers yellow, 9-11 mm long; calyx 8-9 mm long, the tube campanu-late, the lobes about twice as long as the tube, strigulose; corolla yellow, occa-sionally tinged with purple, 7.0-9.5 mm long, the standard 7.0-9.5 mm long, 7-10 mm broad, retuse, the wings 6-8 mm long, the claws 1.5-2.5 mm long, oblong or elliptic, oblique, the keel 2.4 mm long, the short anthers 0.6-0.9 mm long; style with a pubescent stigma, curved geniculate, 6-8 mm long. Legume inflated, 1.3-2.3 cm long, strigulose, brown at maturity; seeds ca. 16, green or brown, oblique cordiform, to 3.8 mm long.
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A shrub. It grows 2 m tall. The leaves have 3 leaflets. The flowers are yellow. The pods are 15 mm long.
Moist thickets and fields, often in waste or cultivated ground, sometimes on brushy rocky hillsides, at elevations of 200-2,400 metres.
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It is a tropical plant. It occurs at 250-1,650 m above sea level.
Can be grown by seedlings. Seeds needs soaking.
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