Chen Collection, Middle Volume. Radical: Tree (mù). Kangxi strokes: 19. Page 560, Entry 02. Pronounced lei (rising tone). Defined as a vine. Book of Literary Exegesis (Er-ya), Explanation of Trees: Among the various vines of the mountains, there is the lei. Guo commentary: In the Jiangdong region, this is now called a vine; it resembles kudzu but is thicker and larger. Guanzi, Chapter on Earth Resources: In the soil of the five hidden types, the species include lei and kudzu. Also, Book of Literary Exegesis (Er-ya), Explanation of Trees: She is known as the tiger lei. Guo commentary: This is what is now called the tiger bean; it wraps and climbs around trees in the forest, and its pods are covered in hairs and thorns. In the Jiangdong region, this is called she. Also written as lei. Book of Odes (Shijing): In the south there are drooping trees, and the kudzu and lei vines entwine them. Book of Characters (Yupian): The same as lei. Also pronounced lei (third tone). The meaning is the same.