Botanical names: Majidea zanguebarica, Harpullia zanguebarica
Common names: Black Pearl, Velvet-seed Tree, Mgambo Tree
Family: Sapindaceae
Origin: Africa
USDA Plant Hardiness Zone Map
Small tree to 5m. Leaves compound, pinnate, up to 10 pairs leaflets. Flowers small green, dense custers. Fruits spherical with 3 lobes, 3cm long; splits open, interior bright red with 3 spherical, velvety blue-black seeds.
Similar plants: Majidea zanguebarica (Black Pearl)
Link to this plant:
https://toptropicals.com/catalog/uid/majidea_zanguebarica.htm