![](http://assets.echocommunity.org/publication_issue/958f7cbe-0fc9-4757-9e50-a383d32a724e/en/canavalia-ensiformis__0.jpg?w=400)
General description and special characteristics – Jack bean is an annual legume. It is bushy (vines less than 1 meter (3 ft.) long), having a deep root system that makes it drought-tolerant. It produces large leaves and smooth pods (up to 30 cm/12 in. long) that yield large, smooth white seeds.
Variety – Chiang Dao