Pyrenacantha
Pyrenacantha is a genus of flowering plants in the family Icacinaceae. The genus is native to Africa, with most species found in southern Africa. These plants are typically woody vines or shrubs, often with a scrambling or climbing habit. They are characterized by their distinctive fruits, which are drupes with a hard, stony endocarp, resembling a small stone or pit, hence the genus name which combines Greek "pyrene" (stone) and "acantha" (thorn), though not all species have thorns.
The leaves of Pyrenacantha are usually simple, alternate, and can vary in shape from ovate to elliptic,
Species within the genus are adapted to a range of habitats, from arid scrublands to forests. Some