This aquatic plant looks like Cryptocarya hornei, a common freshwater aquatic plant. Waterweed generally grows in ponds, lakes and other standing water, especially in shallow, nutrient-rich areas. They prefer sunny locations but can grow in shady conditions.

The leaves of Shuiyuncao are oval in shape, with jagged edges and clear veins, making them look very beautiful in the water. The stems and leaves of this plant are green and very soft and can be cut or bent easily.

If you are considering growing this plant, be aware that it requires a stable water quality and level, and prefers a water environment with little temperature change.