Introduction to Qinggui: In the late Ming Dynasty and early Qing Dynasty, the osmanthus tree stump was also called golden osmanthus because of its golden color. According to expert determination, it is about 400 years old. It blooms twice a year and is fragrant. The old tree stump has rotted, and new branches will sprout from the stump. It is now listed as a protected ancient and valuable tree in Nanjing.