I hope I can help LZ

Description: The rhizome has creeping branches and sometimes straight roots. The stem is erect, with short hairs on the upper part and branches on the lower part or from bottom to top. The basal leaves withered at flowering stage; The stem leaves are oblanceolate or obovate, the fruit is slender, and achenes often have three thick edges and are triangular. All herbs can be used to treat the effects of clearing away heat and toxic materials, promoting digestion, diuresis, removing blood stasis and stopping bleeding. In Fujian and Guangdong, it is commonly known as Tianbian Chrysanthemum and Roadside Chrysanthemum; In Hubei, Sichuan, Guizhou and Guangxi, it is commonly known as fish loach string, loach and loach; In Yunnan, they are called Suoyilian. Young leaves are usually eaten as vegetables, and their tender stems and leaves are picked for eating, so they are called "Malantou".