Protein-rich plant (4)
I believe the answer is:
soya
(Other definitions for soya that I've seen before include "Form of protein derived from beans" , "Vegetable with very high protein" , "Oily bean" , "source of protein" , "Bean protein" .)
I believe the answer is:
soya
(Other definitions for soya that I've seen before include "Form of protein derived from beans" , "Vegetable with very high protein" , "Oily bean" , "source of protein" , "Bean protein" .)