Winged bean is also known as Asparagus pea, Winged pea, Four Angled bean, Manila bean, Princess bean, and Dragon bean. Almost every part of this tropical plant is edible: The beans (used as a vegetable), the leaves (cooked like spinach), the roots (similar to potato), and the dried seeds (used for flour).
It is a warm-season annual. This bean is high in protein and rich in vitamin A, C, calcium and iron.