Tree to 20 m tall, with fissured bark. Juvenile leaves simple, ± deeply palmately lobed, the adult ones digitately compound with petiole up to c. 40 cm long; leaflets 3–7, ovate, hairy to glabrous, (5–)6–13(–18) x 3–7(–9) cm, acuminate at the apex, cuneate to cordate and slightly asymmetric at the base, with serrate or crenate margin; petiolules up to 6 cm long. Flowers sessile, in spikes up to 12(–15) cm long, spikes often many together; bracts subtending flowers scale-like, c. 1 mm long. Fruit subglobose, 3–6 mm long.