Tree 30 m or more tall. Leaves 3-foliate, palmate or pedately compound, to 35 cm long; petiole 5-14 cm long; leaflets entire, serrate, crenate, long-petiolulate, penninerved, ovate, elliptic or lanceolate, c. 7-20 cm long. Inflorescence 6-15 cm long, not exceeding leaves. Tepals 3-6 mm long, cream-coloured; abaxial surface villous, with upward-pointing hairs; adaxial surface glabrous in upper half, vesicular in lower half. Anthers 1.4-2.5 mm long; mucro 0.1-0.2 mm long; filament 0.1-0.4 mm long. Ovary 0.7-1.4 mm long; style 1.8-2.7 mm long. Fruit 3.6-5 cm long, 15-21 mm wide; pedicels lateral. Seeds 1-2, 3-4.3 cm long, 8-15 mm wide; embryo 10-14 mm long, 8-13 mm wide.