Chen Collection, Middle Volume Radical: Wood (mù) Entry: Pǐ Kangxi Stroke Count: 9 Page 518, Entry 03 Tang Rhymes (Tangyun) and Collection of Rhymes (Yunhui): Pronounced bi (rising tone). Explaining Graphs and Analyzing Characters (Shuowen): It is a fir tree. Approaching Elegance (Erya), Explanation of Trees: Pi is a shan tree. Commentary: Pi is also known as shan. Also, Collection of Rhymes (Yunhui): Pronounced pi (rising tone). Meaning is the same. Also, Classified Materia Medica (Bencao Bieli): The fruit of the torreya tree is also known as pi. See the detailed entry for the character fei.