1. Cao Yun is unfamiliar with the name of this plant for the first time, but its function is very practical. For the first time in history, it was recorded in the Book of Rites:? (Mid-winter Moon) Have you started living? . In addition to this name, Cao Yun has several other aliases, namely Rucao and Vanilla. You can see the characteristics of Eupatorium odoratum only by its name. It is born with a unique fragrance. Eupatorium adenophorum is a tufted herb with round and obovate leaves, golden yellow flowers and long stems. If we want to investigate the origin of its weeds in the history of China, we should trace it back to the time when we went to the Western Regions in A.D. 138.
This book is the fragrance of grass. This book is not a book. The so-called scholarly family does not mean that the book itself has the fragrance of scholarly people, but the fragrance of grass influenced by grass. Besides its own fragrance, Cao Yun is also a precious medicinal material, which has insect repellent and wind repellent. However, the ancient people had limited skills, so it was inevitable that a large number of books were harassed by moths. Moth is a kind of moth in books, which was born by destroying books.
What does it have to do with Yuncao? Is it fragrant? This role, according to Mei's description, is: Please add the wild grass to the shelf, and do not send squid in the middle. . Cao Yun is an indispensable plant on the bookshelf, and it is often used by bibliophiles and scholarly families in order to maintain the original flavor of books. Weeds have a unique fragrance, which is often put in books and naturally contaminated with rue, so there is? Shuxiang? The origin of.