Suffruticose perennial, up to 90 cm tall. Branches glabrous to subglabrous. Stipules lateral, c. 1.5 mm long, acute. Leaf paripinnate, c. 4.5-11.5 cm long. Leaflets 5-9 pairs, petiolule c. 1 mm long, lamina c. 1.2-4 cm long, c 3.5-10 mm wide, glabrous to sparingly hairy on both sides, lanceolate to ovate, tip acute. Inflorescence termical or axillary raceme, up to 15 cm long. Young flowers covered with c. 7-8 mm long cup-shaped bracts. Pedicel 3-4 cm long. Sepals 5, subequal, 10-13 mm long, c. 6-8 mm broad, spoon shaped or cup shaped, light yellow in colour. Petals 5, subequal, 14-17 mm long, 7-10 mm wide, obovate, shortly claw¬ed, deep yellow, veins becoming prominent after drying. Stamens 10, upper 3 reduced to staminodes, rest perfect, 2 lower largest. Ovary densely hairy, stipitate. Fruit c. 4-5 cm long, c. 16-22 mm broad, sparsely hairy, turning black at maturity, generally 4-10 seeded; stipe 2-3 mm.
Flowering: April-June.