Woody herb, erect or scrambling, branches velvety tomentose. Leaf trifoliolate, petiole 0.5-3.0 cm long, terminal leaflet 0.4-3.0 cm long, 0.6-4.0 cm broad, transversely elliptic to rhomboid, acute to obtuse; lateral leaflets smaller, obliquely ovate, velvety pubescent and gland dotted on both surfaces, specially on the lower side, glands yellow; stipules 2.5-4.0 mm long, pubescent. Inflorescence a 1-10-flowered lax raceme. Bracts 1.5-2.0 mm long. Pedicel c. 0.5-3.0 mm long. Calyx pubescent and gland dotted, tube 1-2 mm long, teeth subequal, 1.5-4.5 mm long. Corolla pale yellow. Vexillum 4-6.5 mm long, densely pubescent externally. Fruit 1.5-2.0 cm long, 5.5-6.0 mm broad, densely pubescent and glandular punctate, 2-seeded.