The Luffa gourds, " Luffa aegyptiaca " and " Luffa acutangula ", have been used throughout recent history as scrubbing sponge and strainer.
2.
There are two species of luffas that are widely cultivated, Luffa aegyptiaca, the common luffa, and Luffa acutangula, the ridged luffa, both native to India.