Answer: cowpeas

AnswerCrossword Clue
COWPEASCattle fodder.
COWPEASVines grown for fodder.
COWPEASThey have black eyes
COWPEASSouthern U.S. forage plants
COWPEASLegumes with a "black-eyed" variety
cowpeasthe seed of this plant, used for food
cowpeasplant, Vigna unguiculata, extensively cultivated in the southern U.S. for forage, soil improvement, etc.
cowpeasCOWPEA, a black-eyed pea