in taxon gourd plant angled loofah plant silky gourd ribbed gourd PLANTS:LUAC2 ribbed luffa singkwa towel gourd ridged gourd Luffa acutangula (Angled luffa, Ridged luffa, Vegetable Gourd, Silk squash, Sin qua) is a species of *Luffa*. It is commercially grown for its unripe fruits as a vegetable. Mature fruits are used to make cleaning sponges. Its fruit slightly resembles a cucumber with ridges. It ranges from central Asia and eastern Asia to southeastern Asia. angled luffa chinese-okra luffa acutangula ribbed gourd ribbed loofah ridged gourd silky gourd Luffa acutangula requires discussion