Shen Collection, Upper Volume Radical: Grass (cǎo) 蘨 Kangxi Stroke Count: 23 Page 1070, Entry 02 Tang Rhymes (Tangyun) and Correct Rhymes (Zhengyun) indicate the pronunciation is yao. Shuowen Jiezi (Shuowen): The appearance of luxuriant grass. Commonly written as yao. Book of Documents (Shangshu), Tribute of Yu (Yu Gong): Its grass is lush (yao). Rhyme Compendium (Yunhui): Pronounced you. Same meaning. Collected Rhymes (Jiyun): Written as the variant form.