Chen Collection, Middle Volume Radical: Tree (mù) Entry: Shan Kangxi stroke count: 17 Page 556, Entry 11 Exposition of Written Characters (Shuowen Jiezi): This is the original form of the character for fir. Xu Xuan states: It is written as the variant form (shan) in common usage, which is incorrect. For a detailed explanation, see the entry for the character for fir.