The Shinshu Runner Phaseolus coccineus. Unique bean from Japan, with the largest bean we have seen, 8 to 12 ft vines with red flowers.
Shinshu Runner Phaseolus coccineus
This species originated from the mountains of Central America. Most varieties have red flowers and multicolored seeds . Although some have white flowers and white seeds. Also they are often grown as ornamental plants. The vine can grow to 3 m (9 ft) or more in length.
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).