A shrub 1-5 m tall. Stem marked with leaf scars and persistent stipules. Stipules 6-9 mm long, persistent, auriculate. Petiole 1.5-2.5 cm long, rachis 30-60 cm long, leaflets 8-24 pairs, 3-15 cm long, 2-7 cm wide, oblong-elliptic or oblong¬-obovate, top rounded or slightly notched. Raceme 15-70 cm long; bracts 2-3 cm long, enclosing the bud, caducous. Flowers yellow. Sepals 1.5-2 cm long, 4-6 mm wide. Petals 1.5-2 cm long, 1 cm wide. Stamens 9 or 10, variable in size, all func¬tional. Pod straight with 2 longitudinal wings, 40-60 seeded.