Shen Collection, Upper Volume Radical: Grass (cǎo) Character: Yu Kangxi stroke count: 18 Page 1057, Entry 30 Compendium of Phonology (Jiyun): Pronounced zhu. Expository Dictionary of Characters (Erya), section on plants: Wei is called die-zhu. Sometimes also written in a variant form (yu). See the note under the character zhu for details. Also, in the Jade Chapters (Yupian): Yu-ru grass.