Yardlong Bean: Thung Kwang Tong
(Vigna unguiculata subsp. sesquipedalis)
Yardlong beans are an annual, vining or bushy, subspecies of cowpea (Vigna unguiculata) that produce elongated pods up to 1 m long. Green pods and seeds are eaten as a fresh vegetable and the plants are also used as fodder, green manure, or cover crop.
Green pod 40 cm (16 in) long. Soft in texture.