四棱豆又叫翼豆(Winged Beau),原产东南亚一带,它的嫩豆荚,茎叶都可作蔬菜,豆子可榨油及加工豆制品,老藤叶是优质的饲料和绿肥,块根也可食用,其根瘤能培肥地力。故四棱豆是一种粮、油、菜、饲料、绿肥等多用途植物。据国外资料报道 Four-winged beans, also known as Winged Beau, are native to Southeast Asia. Their tender pods, stems and leaves can be used as vegetables, and beans can be pressed for oil and processed soy products. The old vine leaves are good fodder and green manure. Edible, its nodules fertility fertility. Therefore, four-sided beans is a grain, oil, vegetables, feed, green manure and other plants. According to foreign reports