This is a tall forest tree that can grow up to 50m in its native habitat. The trunk of mature trees often display buttresses. Its leaves and twigs are hairy, and young leaves are deeply lobed, and becomes more entire when they mature. Mature leaves are very stiff and leathery. Male flowers occur in spike like heads that are furrowed and ridged, turning yellowish to brownish, and hang from stalks about 6cm long. Female flower heads are upright, barrel-shaped with soft, hairy, curved spines. Fruits are about 18cm long, cream yellow then brownish in colour, emits a nauseous rancid smell when ripe; seeds covered in white pulp.
Distribution: Malesia. Native to Singapore. The latex of the tree is called Gutta Terap and was used as gum (bird lime) to trap birds.