Shen Collection, Upper Volume Radical: Grass (cǎo) Zi Kangxi strokes: 19 Page 1060, Entry 28 Tang Rhymes (Tangyun) and Rhyme Anthology (Yunhui): Pronounced ci. Explaining Graphs and Analyzing Characters (Shuowen Jiezi): The appearance of abundant grass. Also, weeds. Chu Yuan, Encountering Sorrow (Lisao): Filling the room with caltrops, gromwell, and cocklebur. Commentary: This refers to caltrops. Also, a place name. History of the Former Han (Qian Hanshu), Treatise on Geography: The territory of Zi in Youbeiping Commandery. Also, Collected Rhymes (Jiyun): Pronounced zi. Broad Compendium (Boya): White hemp is called zi.