Chen Collection, Middle Volume Radical: Tree (mù) Grain (gu) Kangxi strokes: 14 Page 543, Entry 07 Pronounced gu (falling tone). Pronounced gu (rising tone). The pronunciation is the same as that of the character for grain (gu). Shuowen Jiezi (Explanation of Graphs and Analysis of Characters) defines it as the paper mulberry tree. Book of Odes (Shijing), Minor Odes: It says, where the sandalwood trees grow, there grow the paper mulberry trees below them. Commentary: This is a type of inferior tree; in the Materia Medica (Bencao), it is written as gou. Erya Yi (Expanded Annotations of the Erya): When the leaves are not divided, it is called the gou tree. Piya (Classic of Zoology and Botany): A tree with white bark is called gu, and one with patterned bark is called chu; in reality, it is one thing with three names. Detailed explanations are found in the entry for the chu character. Furthermore, Book of Documents (Shangshu), Xian Yi section, preface: Records that in the territory of Bo, strange phenomena occurred; mulberry trees and paper mulberry trees grew together in the imperial court. Kong Commentary: This is a punishment for disrespectful conduct. Furthermore, Classic of Mountains and Seas (Shanhaijing): On Mount Zhaoyao, there is a tree named mi-gu; if one wears it, one will not lose their way. Furthermore, Leipian (Classified Chapters): Pronounced gou (falling tone), the sound is the same as that of the character gou. The meaning is identical. Correction: The text regarding the Book of Documents, Xian Yi section, citing mulberry and paper mulberry trees growing together in the court, is found in the preface to the Book of Documents, not the primary text. Following the original source, the character for preface must be added after Xian Yi.