The common name for the aquatic plant "Nymphaea" is the water lily. Water lilies are beautiful, floating plants that thrive in still or slow-moving freshwater bodies, such as ponds and lakes. They are recognized for their large, flat leaves that float on the water's surface and their vibrant, showy flowers that bloom atop the water. Water lilies play a crucial role in aquatic ecosystems, providing shelter and habitat for various organisms while contributing to oxygen production in the water. They are admired for their aesthetic appeal and are often cultivated in water gardens and ornamental ponds.