Deciduous tree to 20 m, sometimes taller. Leaves pinnately compound with terminal leaflets, 7-17 leaflets, 15-40 cm long. Flowers in dense terminal clusters, dark pink to purplish red, c. 1 cm long. Flowering is often preceded by leaf fall and flushes of new growth. The whole crown is flushed with purple blooms. Fruits are 1-seed pods, 4-8 cm long, oval-shaped.