Luf'fa Luffa (aegypti'aca), Egypt, and L. Opercula'ta, Brazil, Vegetable Sponge, Wash-rag Sponge, Gourd Towel. Cu'cumis myriocar'pus; S. Africa.--These produce analogous fruits, which have similar action to colcynth, while the derma of Luffa serves as sponge.