Chen Collection, Middle Volume, Radical: Tree (mù) 樕; Kangxi Stroke Count: 15; Page 550, Entry 05 Pronounced su (entering tone) — Tangyun Pronounced su (entering tone) — Jiyun, Yunhui, Zhengyun Said to be "pǔ sù, xiǎo mù yě" (small trees) — Shuowen "lín yǒu pǔ sù" (In the forest are small trees) — Book of Odes (Shijing) Also, "sù pǔ, xīn" (small trees, heartwood) — Erya, Explanation of Trees Commentary: "xīn, hú sù bié míng" (heartwood, another name for Quercus serrata) — Guo Pu Explication: "Quercus serrata has heartwood that can be moist; in the Jiang and He regions, it is used for pillars." — Erya, Explanation of Trees