Nymphae is a shallow water plant. The stems are slender, soft and multi-branched, growing prostrate, with roots at the nodes, floating on the water or growing in the soil. The leaf-shaped water lilies are small and unique. The bright yellow flowers stick out of the water. They have many flowers and a long flowering period. They are a good decoration for the waterscape in the courtyard. It is native to China and widely distributed, from temperate Europe to India, China, Japan, North Korea, South Korea and other regions in Asia. The rhizomes are edible and can be used as vegetables to make soup. They are soft and tender and were a delicacy in ancient times.