Perennial herb, stem reduced. Leaf imparipinnately compound, c. 8-37 cm long, petiole c. 3-9 cm long, glabrous or pubescent; leaflets 15-25, c. 6-20 mm long, orbicular-ovate or orbicular-obovate, subobtuse, glabrous above, glabrous or pubescent below; stipules c. 8-13 mm long, glabrous or pubescent. Inflorescence an axillary, pedunculate raceme, peduncle c. 5-12 cm long. Bracts c. 5-9 mm long. Pedicel 2-3 mm long, glabrous. Calyx c. 14-17 mm long, pubescent to subpubescent, teeth c. 2-3 mm long. Corolla yellow. Vexillum c. 32-38 mm long, glabrous. Wing c. 20-26 mm long. Keel c. 24-29 mm long. Fruit c. 16-24 mm long, pubes-cent, hairs spreading, bilocular to semibilocular, stipitate.