Brucea javanica, commonly known as the Macassar kernels,[4] is a plant in the family Simaroubaceae.

[6] Brucea javanica grows as a shrub or small tree to 5 metres (16 ft) tall.

It has compound leaves with typically 7–9 (but range from 3–15) ovate to ovate-lanceolate leaflets with serrate margins.

[7] Brucea javanica occurs naturally from Sri Lanka and India to China, Indochina, Malesia, New Guinea and Australia.

[5] In Australia it grows as an understory tree from sea-level to 500 metres (1,600 ft) altitude.