A large tree of the mango family that grows up to 30m tall. Crown is dense and dome-shaped. Trunk is columnar, without buttresses, with grey-ish bark that exudes irritant sap. Leaves are large and leathery. Flowers are pinkish in colour. Flowering around April to June. Fruits are pale-brown with rough skin, flesh is white and has a sour taste.
Native to Singapore. According to the Singapore Red Data Book (2008, 2nd Edition), this species is critically endangered in the wild population in Singapore, (Category D) with fewer than 50 mature individuals, OR if more than 50 mature individuals but less than 250, with some evidence of decline or fragmentation.
The Binjai was commonly planted in villages for its brown potato-like fruits.