Assertion: cowpea | /r/HasProperty | cultivated in africa
Facets:
value: for its edible grains
type: PURPOSE
value: for leaves
type: PURPOSE
value: widely
type: DEGREE
Source sentences:
text: In Africa, cowpea is widely cultivated for its edible grains and leaves, both of which are rich in proteins (22%), carbohydrates, carotenoids and micro-nutrients  .