Chimonanthus praecox shrub. Up to 4 meters.

1. wintersweet. ) link (Flora of China), English name: Winter Sweet, Chinese alias: Jinmei, Chimonanthus praecox, Chimonanthus praecox and Huang Meihua. Chimonanthus of Chimonanthaceae is a deciduous shrub, often clustered. The leaves are opposite, elliptic-ovate to ovate-lanceolate, and the flowers are born in the axils of biennial branches, with flowers first and leaves later, which are fragrant and 2~4 cm in diameter; Tepals are round, oblong, obovate, oval or spoon-shaped, hairless, filaments are longer than or equal to anthers, anthers are curved, hairless, styles are three times as long as ovaries, and hairs are at the base. Receptacle is nearly lignified, its mouth is contracted, and there are hairy creatures that are drilled and lanceolate. The late winter leaves open first, and the cultivated variety is Chimonanthus praecox; Diesel wintersweet; Chimonanthus praecox is native to Central China, and likes sunshine, but it is also slightly tolerant to shade, cold and drought, so it is called Chimonanthus praecox. Light loam which is not strict with soil quality and has good drainage is suitable. Chimonanthus praecox blooms in the dead of winter, fighting against Ao Shuang, showing the unyielding character of the Chinese nation in the face of violence, giving people spiritual enlightenment and beautiful enjoyment. It is beneficial to garden planting and also suitable for ancient pile bonsai, flower arrangement and plastic arts. It is an ideal and precious flower in winter. Flowers are fragrant and beautiful, and they are landscaping plants. Roots and leaves can be used as medicine to regulate qi and relieve pain, dispel cold and detoxify, and treat traumatic injury, low back pain, rheumatism numbness, cold and cold, knife wound and bleeding; Flowers relieve summer heat and promote fluid production, and treat vexation, thirst, qi stagnation and chest tightness; Germination oil for treating burns. 0.5-0.6% of Chimonanthus praecox extract can be extracted from flowers; Chemical components include benzyl alcohol, benzyl acetate vinegar, linalool, Arabic gum alcohol, terpineol, indole and so on. The seeds contain wintersweet alkaloids.

2. Arbor refers to a tall tree with an independent trunk at the root, and the trunk and crown are clearly distinguished. Woody plants with upright trunks, usually 6 meters to tens of meters high, are called trees. Its trees are often very tall, with obvious tall trunks. According to its height, it can be divided into Wei Qiao (above 3 1m), Da Qiao (2 1 ~ 30m), Zhongqiao (1~ 20m) and Xiaoqiao (6 ~ 10m). Trees correspond to low shrubs. Usually, tall trees are trees, such as tamarind, kapok, pine, magnolia and birch. Trees are divided into deciduous trees and evergreen trees according to whether they shed leaves in winter or dry season. Another example is kapok, pine, magnolia and birch. Shrub-like trees are short (generally less than 6 meters), with low trunks and inconspicuous trunks, which are in a tufted state. Woody plants that often have multiple branches at the base are called shrubs. Trees are widely distributed and basically grow in known places, including Gobi desert, desert, Antarctic, Arctic and other places with harsh environment. The continent with warm and humid environment is the most widely distributed.