cowpea: An annual African plant (Vigna unguiculata) in the pea family, widely cultivated in warm regions for food, forage, and soil improvement. 豇豆一种一年生非洲豆科植物(豇豆属豇豆),广泛种植于温带地区,可以食用、作为饲料及改良土壤
2. An annual African plant(Vigna unguiculata) in the pea family, widely cultivated in warm regions for food, forage, and soil improvement. 豇豆一种一年生非洲豆科植物(豇豆属豇豆),广泛种植于温带地区,可以食用、作为饲料及改良土壤收藏指正
Vigna is a genus of flowering plants in the legume family, Fabaceae, with a pantropical distribution. It includes some well-known cultivated species, including many types of beans. Some are former members of the genus Phaseolus. According to Hortus Third, Vigna differs from Phaseolus in biochemistry and pollen structure, and in details of the style and stipules.