It's the size that really matters

Snake beans are getting extremely popular in the Western world of fine dining chefs. The plant is of a different genus than the common bean. It is a vigorous climbing annual vine. The plant is subtropical/tropical and most widely grown in the warmer parts of South Asia, Southeastern Asia, Thailand, and Southern China. A variety of the cowpea, it is grown primarily for its strikingly long (35-75 cm) immature pods and has uses very similar to that of the green bean. The many varieties of yardlong beans are usually distinguished by the different colors of their mature seeds.