Brasenia is the tender stems and leaves of Nymphaea medicinal plants. It is a perennial aquatic herb, which is delicious and tender. It is one of the precious vegetables. Brasenia is native to China and is now distributed in eastern Asia, southern Africa, Oceania and North America. my country is mainly produced in the Taihu Lake Basin of Zhejiang and Jiangsu Provinces. The tender leaves with rolled leaves are picked from late April to late October. The West Lake Brasenia is the most famous. Brasenia has been regarded as a precious vegetable since ancient times. It has a plump and tender taste, rich in amino acids, arabinose, mannose, vitamins and other signature nutrients, which is deeply loved by people.