Unarmed tree up to 15 m high, glabrous throughout; bark greyish-brown to black, fissured, reticulate or scaly. Leaves bipinÂnate, eglandular: petiole 4-7,5 cm long; rhachis 2-15 cm long; pinnae 2-5 opposite or subopposite pairs; rhachillae 6,5-15 cm long; leaflets 5-9 on each side of the rhachilla, alternate or sometimes subopposite, 1,2-2,5 x 0,7-1,5 cm, elliptic to obovate-elliptic, usually emarginate apically, on petiolules 1,5-3 mm long. Racemes (3)6-12 cm long, on peduncles 1-3 cm long, axillary. Flowers yellowish-white, on pedicels 1,5-3,5 mm long. Calyx cupular, very small, 0,5-1 mm long, usually 5-toothed. Petals free, 3-4 x 0,8-1 mm. Stamens usually 10, filaments 5-6 mm long; anthers eglandular. Ovary up to 2,5 mm long, very shortly stipitate. Pods 8-17 x 1,8-3 cm, straight or nearly so, bluntly tetragonal or subterete in section, brown, glossy, woody, indehisÂcent, rounded or pointed apically. Seeds elliptic, 10-13 x 7-8 x 4-5 mm.