Harpagocarpus

About

The genus Fagopyrum is in the flowering plant family Polygonaceae. It includes some important food plants, such as F. esculentum (buckwheat) and F. tataricum. The genus is native to the Indian subcontinent, much of Indochina, central and southeastern China, and central and eastern tropical Africa. Species have been widely introduced elsewhere, throughout the Holarctic and parts of Africa and South America.

Summary from Wikipedia