Sub-Saharan crop (3)
I believe the answer is:
yam
(Other definitions for yam that I've seen before include "Tropical tuber" , "May be a sweet potato" , "Edible root" , "Potato-like vegetable" , "US sweet-potato" .)
I believe the answer is:
yam
(Other definitions for yam that I've seen before include "Tropical tuber" , "May be a sweet potato" , "Edible root" , "Potato-like vegetable" , "US sweet-potato" .)