Shen Collection, Upper Volume Radical: Grass (cǎo) Character: 蕦 Kangxi Strokes: 18 Page 1058, Entry 37 Pronounced xu (level tone). Pronounced xu (level tone). The pronunciation is the same as xu (level tone). It is an alternative name for the plant wanwu, and it was originally written as xu (level tone). The Book of Erya (Erya), section on explaining plants, states: Xu is the wanwu plant. The commentary explains: It resembles a sheep's hoof, its leaves are fine, and it has a sour taste; it is edible. Textual research: In the Book of Erya (Erya), section on explaining plants, the text states "Xu is the wanwu plant." In the commentary, the phrase "somewhat fine" has been corrected to "leaves fine" based on the original text.