 It is a deciduous shrub or small tree growing to 10–15 m (rarely 20 m) tall with a trunk up to 50 cm diameter.The bark is smooth and dark grey-brown.The leaves are 15–40 cm long, pinnate, with 7–15 leaflets 2.5–10 cm long and 1.5–4.5 cm broad, with a coarsely and irregularly toothed margin.