- cowpea, cowpea plant, black-eyed pea, Vigna unguiculata, Vigna sinensis - sprawling Old World annual cultivated especially in southern United States for food and forage and green manure
--1 is a kind of legume, leguminous plant
--1 is a member of Vigna, genus Vigna
--1 has parts: black-eyed pea, cowpea; cowpea, black-eyed pea