刺猴橙

pungens; prickly, referring to the leaf tips

Small, deciduous to sometimes evergreen tree. Bark grey to brown, rough and flaking in to squares lower on older trunks, grey and smooth higher up and on younger trees; branches corky and with swollen nodes and conspicuous lenticels. Leaves opposite, 3-veined from (near) the base, narrowly elliptic, 3-8 cm long, rigid or leathery, hairless with a hard, spiny apical point; margin entire; petiole thick, up to 4 mm long. Inflorescences in tight, axillary clusters, c. 2 cm wide; flowers greenish-white, up to 9 mm long. Fruit up to 12 cm in diameter, with a hard, woody shell, bluish-green, yellow when ripe, edible but less tasty than of other species.

Tropical Africa to Botswana and Limpopo, North-West, Gauteng and Mpumalanga, South Africa.