四棱豆又名翅豆、翼豆,原产印度、泰国、印尼等东南亚地区,属亚热带作物。1973年以前还是默默无闻的四棱豆,近年来却身价百倍,被称为绿色的金子。四棱豆植株生长繁茂,花浅蓝色,荚成四棱,带翼状边缘。荚长达30厘米,每荚有种子10～20粒,种子百粒重为29克左右。四棱豆营养丰富:种子蛋白质含量一般为34％, Four-winged beans, also known as wing beans, wing beans, native India, Thailand, Indonesia and other Southeast Asian regions, is a subtropical crop. Before 1973 or obscurity of the beans, in recent years, but worth a hundred times, known as the green gold. Four-bean plants grow lush, light blue flowers, pods into four edges, with a winged edge. Pod up to 30 cm, 10-20 pods per seed, seed weight of about 29 grams. Bean is nutritious: the seed protein content is generally 34%