树豆原产印度 ,分布于亚洲热带地区 ,台湾各地均有零星栽培于小坡地或埂边 ,尤其在台湾原住民部落普遍少量栽培作为副食之用。树豆之形态属矮性灌木 ,树高 0 .3～ 1m,于春季播种 ,秋季开花 ,冬季采收 ,其营养价值甚高 ,其医用价值也高 ,树豆种子有清热解毒 ,补中益气 ,利水消食 Native to India, the tree is native to the tropical region of Asia and has been sporadically cultivated in small sloping fields or bustards across Taiwan. In particular, aboriginal tribes in Taiwan are generally grown in small quantities as a non-staple food. The shape of the tree is a short shrub, tree height 0. 3 ~ 1m, sown in the spring, flowering in autumn, winter harvest, its high nutritional value, its high medical value, tree seeds detoxification, Bu Zhong Yi Qi , Water digestion