snailflower: perennial tropical American vine cultivated for its racemes of showy yellow and purple flowers having the corolla keel coiled like a snail shell; sometimes placed in genus Phaseolus
legume: an erect or climbing bean or pea plant of the family Leguminosae
erasable programmable read-only memory: (computer science) a read-only memory chip that can be erased by ultraviolet light and programmed again with new data