A cucurbitaceous summer vegetable grown in Asia, whose fruits are ribbed. The genus derives its name from the product loofah, which is used in bathing sponges, scrubber pads, doormats, pillows, mattresses, and also for cleaning utensils. (Flowers of India, 2019 https://www.flowersofindia.net/catalog/slides/Bitter%20Luffa.html)