Plants shrubs or small trees. Leaves: rachises 5-25 cm long, without glands; leaflets in 5-12 pairs, (1.5-)3-6(-7.5) cm long, (8)12-30(-45) mm wide, ovate-elliptic to oblong-elliptic, pubescent or puberulous, tips rounded to subacute. Racemes 0.5-9 cm long, bracts persisting while flowers are open. Petals yellow, 1.5-3.5 cm long, 7-18 mm wide. Pods cylindrical, 30-90 cm long, 15-25 mm wide, pubescent or glabrous, blackish, indehiscent. Seeds numerous, 9-12 mm long, 8-9 mm wide, brown to blackish.