Where is the origin of Eucommia ulmoides?

Eucommia ulmoides is also called neem bark, silk cotton bark, cotton bark and so on. Eucommia ulmoides is a deciduous tree plant of Eucommia ulmoides family. Dry bark has the effects of tonifying liver and kidney, strengthening muscles and bones, recuperating Chong Ren, fixing menstruation and calming fetus. It can treat waist and leg pain or weakness caused by deficiency of kidney yang, unfixed twins caused by deficiency of liver-qi, wet itching of scrotum and other diseases, which is listed as top grade in Shennong Materia Medica. Now let's take a look at the origin of Eucommia ulmoides.

Where is the origin of Eucommia ulmoides?

Eucommia ulmoides is endemic to China, widely cultivated in Shaanxi, Gansu, Henan, Hubei, Sichuan, Yunnan, Guizhou, Hunan, Anhui, Shaanxi, Jiangxi, Guangxi, Zhejiang and other places. Zhangjiajie is the largest wild Eucommia ulmoides producing area in the world. There are a large number of artificial cultivation of Eucommia ulmoides in the national forestry base in Jiangsu Province, and it is also introduced to botanical gardens in Europe and the United States, which is called "Chinese rubber tree", although it is not related to the rubber tree.

Growth environment of Eucommia ulmoides

Eucommia ulmoides likes the warm and humid climate and sunny environment, can withstand severe cold, and the adult plant can survive normally under the condition of-30 ℃. It can be cultivated in most areas of our country with strong adaptability and no strict selection of soil, but the loam with deep soil layer, loose and fertile soil, moist and good drainage is the most suitable. The growth rate of Eucommia ulmoides trees was slow in their infancy, and the fast-growing period appeared in 7 ~ 20 years. After 20 years, the growth rate decreased year by year. After 50 years, the height growth basically stopped and the plants withered naturally.

China's "hometown of Eucommia ulmoides"

1. Zhangjiajie: due to the special geographical environment of Zhangjiajie, Hunan, Eucommia ulmoides survived in the Wuling Mountains, thus becoming the largest wild Eucommia ulmoides producing area in the world. Zhangjiajie Cili County, as the largest wild Eucommia forest base in China, is known as "mysterious latitude 30 degrees north, the hometown of Eucommia ulmoides in China".

2. Wangcang County: Wangcang County, Sichuan Province, located in Qinba Mountain area, is known as "Yinyin Medicine Township". It is very rich in traditional Chinese medicine resources and was listed as "production Base County of traditional Chinese Medicine in Sichuan Province" in 1984. It has been awarded the title of "hometown of Eucommia ulmoides" by the State Forestry Administration, and its main wild medicinal materials are Gastrodia elata, Eucommia ulmoides, Phellodendron Phellodendri and so on.

3. Xiangshui County: as early as the 1980s, Qitao Township, Xiangshui County, Jiangsu Province was famous for growing Eucommia ulmoides both inside and outside the province. In the mid-1990s, Seven sets of townships established Xiangshui Eucommia Tea Factory. Its "Tingquan Brand" bag bubble health tea won the famous brand product of Yancheng in 1999. Consumers can trust the products. The Eucommia ulmoides tea produced by it sells well in China and sells well in Japan, South Korea and other countries. Planting Eucommia ulmoides has become one of the important ways to increase farmers' income in this township.

4. Lueyang County: Lueyang County in southern Shaanxi is the origin and suitable area of Eucommia ulmoides. It is generally believed that Eucommia ulmoides originated in the Qinling Mountains at the junction of Shaanxi, Gansu and Sichuan provinces. Because it is located in the Qinba mountain area and the geographical traffic is underdeveloped, the germplasm resources of many species have been well protected, and it is also one of the famous "hometown of Eucommia ulmoides" in our country.