Carissa macrocarpa

The tree can grow to 25 m in height, though 10 m is more common in cooler climates. The bark is smooth and grey, almost elephantine. The alternate leaves are narrow and sharp-toothed, rugose above and tomentose below, dark grey/green throughout the year, fading to a pale yellow before falling in autumn. The apetalous wind-pollinated flowers are perfect, small and green, either singly or in small clusters. The fruit is a small, dark-purple berry-like drupe, hanging in short clusters, and are extremely popular with birds and other wildlife. Long-living. The fruit of this tree is sweet and edible, and can be eaten raw or cooked. The leaves and fruit are astringent, lenitive and stomachic.