Zombi pea, or tuber cowpea, is a tuberous legume with edible roots and seeds native to Africa and East Asia. The tubers are “fleshy and crispy” that can be eaten raw or cooked and the seeds are rich in protein (15%N). 

 

 

Reference: Bishop von Wettberg, Eric; Ken Natio, And Our, Niko Ludidi The unusual biogeography of zombi pea, Vigna vexillata