Tall, lareg, emergent, evergreen (apparently) tree c. 30 m tall; DBH c. 80 cm; base swollen and with rounded root buttresses; bark grey-brown, rough with small raised pustules, flaking off in few, large pieces leaving a dimpled surface. Leaves with 6-9, alternate leaflets; leaflets glossy above, pea green beneath, with a yellowish midvein. fruits becoming ochre yellow when ripe, with a brittle outer surface wich is inflated around 1 or rarely 2 cashew-nut shaped, dark brown seeds, the seeds enclosed in a fibrous covering which is wet and fleshy and smells fermented at first but eventually dries out (Seeeds 23-27 x 11-14 x 15-17 mm when fresh, swollen at one end)