Pistia stratiotes, commonly known as Water Lettuce, is a free-floating, frost-tender aquatic perennial that is commonly used as an ornamental plant in water gardens. It produces rosettes of wedge-shaped, overlapping, fluted, velvety, soft green leaves covered with water-repellant hairs. Plants resemble small open heads of lettuce. Min 40cm depth of water required
Pistia stratiotes has many benefits such as being used as an animal food and for medicinal purposes in China. It also has ornamental use as an aquarium plant.