Wu Collection, Upper Volume Radical: Jade (yù) Lü Kangxi Stroke Count: 21 Page 745, Entry 12 Collection of Rhymes (Jiyun): Pronounced lu. Meeting of Rhymes (Yunhui): Pronounced lu. Meeting of Rhymes (Yunhui): It is a type of green jade. Broad Refinements (Boya): Green lü, a name for jade.