The yard-long bean is an annual vine that climbs on any supports provided. The pod is long and green. The young pod has crisp flesh and smootth skin. The mature pod is swell out and tough. The skin is rough and wavy due to the seeds inside. The seeds are kidney-shaped and light green in colour. It can be added into sour spicy soup, fried or boiled and eaten with name prik. It can be grown in all regions of the country. The plant is propagated through seeds.