Catha edulis

About

Khat or qat, also known as Bushman's tea in South Africa, is a species of flowering plant in the family Celastraceae, and the sole species in the genus Catha. It is a shrub or tree native to eastern and southern Africa, ranging from Ethiopia and South Sudan to Angola and the Cape Provinces of South Africa. It grows in montane riverine and evergreen forests from 1,100 to 2,400 metres elevation.

Summary from Wikipedia