Phaseolus coccineus, known as runner bean,scarlet runner bean, or multiflora bean, is a plant in the Fabaceae family. Runner beans have also been called "Oregon Lima Bean", and in Nahuatl "ayocotl" or in Spanish "ayocote". It differs from the common bean (P. vulgaris) in several respects: the cotyledons stay in the ground during germination, and the plant is a perennial vine with tuberous roots (though it is usually treated as an annual). This species originated from...