Eucommia is a deciduous tree in the family of Eucommiaceae. The bark and leaves are used as medicine. The whole plant, except the xylem, contains myrtle coral glycosides and dulcium gum. The bark of the tree contains 5-10% of dulcolax, the root bark contains 10-12%, the leaves contain 3%, and the fruit contains 15-27.5%. Eucommia gum is the second largest rubber resource in China, with a wide range of uses. The bark still contains resin, and the leaves also contain kaempferol, caffeic acid, chlorogenic acid, tartaric acid and reducing sugar, etc. The seeds also contain a large number of fatty oils, mainly linoleic acid, and the extract of the bark has hypotensive effect and diuretic effect. It is sweet, slightly pungent and warm in nature.
It has the functions of tonifying the liver and kidney, strengthening the muscles and bones, stabilizing the fetus and lowering blood pressure. It is mainly used for treating kidney deficiency and lumbago, lumbar and knee weakness, urinary leakage, fetal leakage, hypertension and so on. Eucommia leaves contain the same active ingredients as the skin of Eucommia, and the pharmacological effects are basically the same, in addition to replacing the skin for medicinal purposes, but also can be made into health care tea for patients with high blood pressure and other long-term use, in addition, Eucommia leaves are mixed in the feed for chickens, can improve the egg production rate of laying hens. Mainly produced in Sichuan, Shaanxi, Hubei, Hunan, Jiangsu, Guizhou and Yunnan provinces. Many provinces and autonomous regions across the country have cultivation.
Suitable for mild, humid climate. It is highly adaptable and resistant to severe cold. Duchess tree in winter also requires a certain low-temperature dormancy stage, in China's southern subtropical regions, due to high winter temperatures, the lack of low-temperature conditions required for winter dormancy, so it is not suitable for introduction in the southern subtropical regions. Propagation by seed, cuttings can also be used to propagate.