Psophocarpus tetragonolobus L.

Other names: Asparagus pea, Goa bean, Four-angled bean, Manila bean, Princess bean, dragon bean.

Winged Bean is rich in protein, vitamins and mineral elements. It is helpful for heart and blood diseases. Both young pods and young shoots are used as a vegetable and tasty when cooked. Seeds have hard coat skin and hard to get good germination. Therefore the seeds need to be soaked in water one day (change water 2-3 times) and then kept at 25℃ for germination. The seeds not swollen when soaked can be scratched or cracked carefully, then to be soaked again.