Chen Collection, Middle Volume Radical: Tree (mù) Entry: Lun Kangxi Stroke Count: 12 Page 531, Entry 21 Pronounced tun According to the Explanatory Dictionary of Chinese Characters (Shuowen Jiezi), it is the mother of the ailanthus-like tree. The large tree produces shoots from its side roots, hence it is called the mother tree. In the Er Ya, Explanation of Trees, it is stated that the lun tree is free of flaws. See the detailed note on the character. Also, pronounced lun. The meaning is the same.