2. Chinese aliases of Chimonanthus praecox: Jinmei, Chimonanthus praecox, Chimonanthus praecox and Huang Meihua. Chimonanthus of Chimonanthaceae is a deciduous shrub, often clustered. Flowering period 1 1 to March of the following year, and fruiting period 4- 1 1. Chimonanthus praecox fruit is poisonous and can be used as a laxative. Chimonanthus praecox likes sunshine, is resistant to shade, cold, drought and waterlogging. Chimonanthus praecox blooms proudly in frosty and snowy days, with yellow flowers like wax and fragrant smell. It is the main ornamental flower in winter. Afraid of wind and cold, it can safely overwinter when the temperature is not lower than-15℃. It can be cultivated in the open field in the south of Beijing, and the flowers will be frozen when the flowering period meets the low temperature of-10℃. It grows well on the slightly acidic sandy loam with deep, fertile and loose soil layer and good drainage, but it grows poorly on the saline-alkali soil. Chimonanthus praecox is not only an ornamental flower, but also contains many aromatic substances, such as linalool, borneol, eucalyptol, pinene, sesquiterpene alcohol and so on. It is one of the fragrant flowers for making high-grade scented tea. Its refined high-grade perfume,1000g, is equivalent to the price of 5000g gold in the international market.