Where is the origin of Eucommia ulmoides? What is the growing environment?

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

From the literature records before modern times, it can be seen that in ancient times, Eucommia ulmoides mainly originated in Hanzhong and Shangzhou of Shaanxi Province (that is, the south slope of Qinling Mountains in southern Shaanxi), and north of Changzhi City, Shanxi Province (Luliang Mountain). Wushan County, Sichuan Province (Bashan), Yichang, Hubei Province (Shennongjia), Huaiyang and Sanmenxia City, Henan Province (East Qinling, Funiu Mountain, Xionger Mountain). It shows that it mainly produces mountain areas. There are few specific sites for the production of Eucommia ulmoides in rare ancient books, which can be seen that these places are authentic producing areas of Eucommia ulmoides. According to the biological characteristics of Eucommia ulmoides, it can be seen from modern books and textual research that the natural distribution areas of Eucommia ulmoides are in the Qinling Ba (Mountain) Mountains of Shaanxi and Sichuan, the north of Hubei, the southwest of Henan and the northwest of Hunan. Lueyang is located in the southern foot of Qinling Mountains, within the authentic and central producing areas of Eucommia ulmoides. The development history of Lueyang Eucommia ulmoides also develops with the history of Lueyang. Lueyang has an early history of development. Dongcheng, which is inhabited by the Baiyan clan before the pre-Qin Dynasty, is a cluster of nomadic people. the mountainous and rich vegetation in the county made its way of life mainly grazing and medicine picking. in addition, connected with the Hanzhong geographical plank road, the shipping of the Jialing River is very developed, Lueyang Eucommia began to be used at this time.

Second, the 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.