Two contrasting species of Stapelia are described from the plant family the Apocynaceae. Stapelia gigantea produces some of the largest flowers of any flowering plant, being up to 40 cm in diameter. This species is widely distributed in southern Africa. In contrast Stapelia schinzii var. angolensis has smaller flowers only 7-13 cm in diameter. This variety has a very restricted distribution in southern Angola and northern Namibia