Winged Bean: Flat
(Psophocarpus tetragonolobus)

Winged bean is a climbing, nitrogen-fixing, short-lived perennial vine usually grown as an annual. The pods, beans, leaves, tubers, and flowers of this plant are all edible.  It thrives in hot, humid areas where other beans are more likely to succumb to plant diseases.

Produces large, flat green pods that make transport easy due to shape. A short day flowering variety (daylength sensitive).