Shen Collection, Upper Volume Radical: Grass (cǎo) 蔖 Kangxi Strokes: 17 Page 1054, Entry 12 Pronounced cuó. Lu cu, a type of grass. Can be used for making straw shoes. Book of Erya (Erya), Explanations of Grass: Lu is also known as cu. Commentary: Lu is also known as cu, and is a type of cogon grass. Also pronounced chá. Chu kui (a type of mallow). Sometimes also written in a variant form (zū). Also pronounced cǎi. Dead grass.