Twining plant cultivated for its edible tuber (3)
I believe the answer is:
yam
(Other definitions for yam that I've seen before include "A starchy tuber" , "Edible root" , "US sweet potato" , "May be a sweet potato" , "May be a sweet spud" .)
I believe the answer is:
yam
(Other definitions for yam that I've seen before include "A starchy tuber" , "Edible root" , "US sweet potato" , "May be a sweet potato" , "May be a sweet spud" .)