Trees, ca. 15 m tall. Leaves imparipinnate, 15-18 cm; petiole 2.3-3.2 cm; rachis ca. 3 cm, prolonged 1-1.5 cm below terminal leaflet, glabrous or sparsely hairy at base; leaflets 5(-7), oblong, 3.3-9 × 1-3 cm, glabrescent or sparsely hairy only on midvein abaxially, glabrous adaxially, base cuneate, apex obtuse; lateral veins 6-8 pairs, angled 40° with midvein, veinlets indistinct, conspicuous, raised on both surfaces when dried. Infructescence racemose, terminal or axillary. Legumes elliptic, 4.5-5.6 × 2.5-3 cm; valves fleshy, woody, 3-4 mm thick, glabrous externally, internal septum absent. Seeds 1 or 2(or 3), ellipsoid, ca. 1.6 × 1-1.3 × 0.7-0.8 cm; hilum 8-10 mm.