#wavy leaves
- Aponogeton crispus — A species of perennial aquatic plant in the genus Aponogeton, native to the wetlands and streams of Sri Lanka, characterized by translucent, light-green or brownish submerged leaves with heavily wavy and crinkled margins; widely used in freshwater aquaristics. It is prized for its relatively high adaptability in aquariums compared to other species in the family, developing solitary white or yellowish spike-like inflorescences that rise above the water surface.