The lima bean, Phaseolus lunatus , is probably native to Central or northern South America. It appears to have spread northward into Mexico and southward into other parts of South America. Domestication may have arisen in several different areas. In 1492, they were cultivated from Canada to Argentina. These are usually perennials in the tropics.
Many lima beans are highly toxic unless prepared properly.
This is not true in the United States and Europe, however. Lima beans Scarlet runner bean. They are still commonly eaten there and this is a common bean in Europe. Scarlet runner beans Common beans Kidney beans, pinto beans, navy beans, black beans, green beans, wax beans, snap beans, etc. are all Phaseolus vulgaris . They were domesticated in Mexico and South America and almost certainly were domesticated several times.