They are Deciduous trees up to 15 m high and 1.3 cm thick, it is rough and dark greyish-brown in color exfoliating in long, narrow rectangular strips. Leaves – The fern-like leaves are 100-200 mm long and contain between 8 and 30 pairs of small leaves made up of numerous, oblong pairs of secondary leaflets 2-6 mm long. occurs in 5-10 cm long axillary spikes, pentamerous, white to pale yellow, with a campanulate calyx