Mystroxylon is a genus of flowering plants belonging to the family Celastraceae. Its native range is Tropical and Southern Africa, and the Western Indian Ocean.

Mystroxylon aethiopicum is an attractive evergreen tree that is useful as an ornamental garden tree, planted as a hedge, in groups or solitary and for attracting diverse creatures into the garden. The kooboo-berry flowers from early spring to late summer. The flowers are small, yellowish green and are borne in clusters in leaf axils. These are followed by small, fleshy fruits that are yellowish green, turning bright red as they ripen. They are edible to both man and animals and are said to be sweet tasting. They appear in November, but ripen in late autumn to early winter. This is a must-have biodiversity attraction in the garden, as it is enjoyed by man, animals, insects and birds.