Semecarpus forstenii is a species of tree in the family Anacardiaceae.

It is found in Indonesia, Papua New Guinea, and the Solomon Islands.

[1] The tree's sap is poisonous.

[2] S. forstenii is reconstructed as *lapuka in the Proto-Malayo-Polynesian language, the reconstructed ancestor of the Malayo-Polynesian languages.

This Anacardiaceae article is a stub.