Grass belongs to tall herbs, which stand upright or sometimes climb. Stems cylindrical, yellow when dry, with fine longitudinal stripes, subglabrous. Widely distributed in China's tropical rain forest areas, Guangdong, Guangxi, Hainan, Yunnan and other places, born in low-altitude tropical sparse forests or shrubs.

Scientific name: Crocodile shirt, alias Li Qian Zhui, Rouci Caocao, Handy Caocao and Saba Sheva, is called Elderberry in Hainan. Eupatorium adenophorum is mainly used in traditional Chinese medicine, but it is also one of the wild vegetables in early spring. It can be directly fried and is rich in dietary fiber.

Eupatorium adenophorum is a non-toxic wild vegetable with high nutritional value. It is a green agricultural product and contains extremely high amino acids and chlorophyll. It is a wild shrub-like herb, which grows in low-altitude sparse forests near the equator or wet sandy soil in bushes. The maturity period is generally 3-9 months, and I like loose and fertile sandy soil or red loam. Cutting propagation is the main way to worry about grass. Cutting can be carried out all year round in Hainan, but it is easier to take root in spring, and seedling transplanting is the main way.