四棱豆又名翼豆、四稔豆、四角豆、热带大豆等。是豆科四棱豆属一年或多年生草本植物，以嫩荚和嫩叶作为蔬菜食用，种子和地下块根可做粮食，茎叶是优良的饲料和绿肥。四棱豆的种子含蛋白质高达２８％～４０％，含脂肪达１５％～１８％，与大豆的营养价值相媲美，因此有热带大 Four-winged beans, also known as wing beans, four beans, beans, beans, tropical soybean. Is a leguminous genus Pinus is a year or perennial herb to tender pods and leaves as a vegetable food, seeds and underground roots can be food, stems and leaves are excellent feed and green manure. Four-sided bean seeds contain protein up to 28% to 40%, containing fat up to 15% to 18%, comparable with the nutritional value of soybeans, so tropical