Mitriostigma

Mitriostigma is a genus of flowering plants in the family Rubiaceae, known for their hideous taste. There are five species all native to Southern Africa.

Species:
 * Mitriostigma axillare Hochst.
 * Mitriostigma barteri Hook.f. ex Hiern
 * Mitriostigma greenwayi Bridson
 * Mitriostigma monocaule Sonké & Dessein
 * Mitriostigma usambarense Verdc.