Deciduous tree to 25 m tall, with irregular rounded crown. Leaves bi-pinnately compound, 3-6 pairs of opposite pinnae 8-20 cm long. Flowers in 12-30 cm long spikes; creamy yellow, c. 1 cm long. Fruits pale green ripening brown to blackish, strap-shaped, curved slightly and becoming spirally twisted after dehiscing revealing a uniform red, smooth heart-shaped seeds.