Common names: Common bean, White kidney bean, Kidney bean
Phaseolus vulgaris belongs to the botanical family, Leguminosae, is a sub-erect or twining annual herb, native of tropical America and now grown extensively throughout the warm regions of the world. The leaves are trifoliate; flowers white to violet-purple; pods slender, 10-26 cm long, straight or slightly curved, the surface glabrous or faintly pubescent, the beak prominent. Seeds more or less kidney shaped, elongated or nearly globular or somewhat compressed.
Common beans are classified based on various characteristic features; some classifications are based on morphological characters of the plant, pod and seeds, while others are based on their mode of use.