A large handsome tree, 12-24 m tall; bark smooth grey. Leaves abruptly bipinnate. Main rachis 15-30 cms long; pinnae 6-20 paired, each pinna with 20-30 pairs of leaflets. Leaflets oblong, notched at the apex and unequal sided. Calyx coppery red. Petals wavy, yellow, inversely oval, hairy at the base and much crinkl¬ed about the margins. Stamens 10, densely hairy at the base, anthers golden yellow. Style long and thread like. Pod copper-red, oblong, flat, thin, hard, narrowed at both the ends, 5-10 cm long, c. 2.5 cm broad. Seeds brown.