a shrub of the genus Carissa having fragrant white flowers and plumlike red to purple-black fruits.

This scarlet fruit of a South African shrub is an oval berry about 2 inches long. This fruit is used in pies, jellies, and preserves. Also called "Natal plum."

Carissa is a genus of about 20-30 species of shrubs or small trees native to tropical and subtropical regions of Africa and Asia.