The term "water-lily family" refers to a group of aquatic plants with round or oval-shaped leaves that float on the surface of the water. Some common synonyms for this family of plants include Nymphaeaceae, the waterlily family, and the pond lily family. The family includes over 70 species of water lilies, which come in a wide range of colors, including white, pink, yellow, and blue. These plants are known for their beauty and are often used in ornamental ponds and water gardens. The water-lily family is also important to the ecosystem, providing food and habitat for many aquatic creatures.