What is "scarlet runner bean"

n. tropical American high-climbing bean with red flowers and mottled black beans similar to Phaseolus vulgaris but perennial; a preferred food bean in Great Britain [syn: scarlet runner, Dutch case-knife bean, runner bean, Phaseolus coccineus, Phaseolus multiflorus]

long bean pods always sliced into half-inch lengths; a favorite in Britain [syn: scarlet runner, runner bean, English runner bean]