How to identify Huangdan tree seedlings, and how many years of planting until fruiting?
The Huangdan tree is not actually a kind of tree, but the name of a traditional Chinese medicine, being the stems and roots of the Berberidaceae plant Berberis lushanensis. Its appearance is a dried stem that is subcylindrical, with a grayish-brown surface, grooves, and a few small lenticels; it mainly grows under forest and beside ditches, and is distributed in Guangxi, Jiangxi, Jiangsu, Zhejiang and other places. So how do you identify Huangdan tree seedlings? How many years of planting until fruiting? Let's find out together.
How to identify Huangdan tree seedlings?
Much branched, branches about 3-5 mm in diameter, appearing grayish-brown to dark brown, with several obvious longitudinal ridges on the surface; the main root is cylindrical, 4-5 cm in diameter, and the lateral roots and branch roots are twisted; the surface is earth-yellow to grayish-brown, and the cork bark easily flakes off in pieces to reveal the brownish-yellow bark; the texture is hard, the cross-section is strongly fibrous and bright yellow; the odor is slight and the taste is extremely bitter.
How many years of planting until fruiting?
The fruit of the Huangdan tree is oblong-elliptic and turns red when ripe. There are about 500 species in the genus Berberis, and China has 200 species; when encountering Berberis in the wild, it is not easy to readily distinguish whether it is the Huangdan tree. When flowering, the inflorescence is slightly raceme-like, or nearly umbellate, about 2-3.5 cm long, much shorter than the leaves, with 5-10 flowers, and the pedicels are slender. The flowering period is April-May, and the fruiting period is June-September.
Medicinal value of the Huangdan tree
The Huangdan tree generally uses the stems and roots as medicine. Traditional Chinese medicine holds that the Huangdan tree is bitter in flavor, cold in nature, non-toxic, and enters the stomach, liver, and large intestine meridians. Its main effect is to clear heat and detoxify, and its functions and indications are hepatitis, cholecystitis, enteritis, bacillary dysentery, pharyngitis, conjunctivitis and other disease symptoms. In modern times it is mainly used to treat infectious hepatitis, and the method of consumption is internal use, decocted in water, 3-5 qian. It can also be used externally, decocted in water for washing.
The above is the full introduction to the dried Huangdan tree. The Huangdan tree mostly grows wild in mountain thickets at an altitude of 250-1400 m or in shady places beside mountain valley streams. It is not often cultivated artificially. Generally, it is dug up in spring and autumn, the branches, leaves and fibrous traces are cut off, part of the cork bark is scraped off, and it is sun-dried before being processed into medicine.
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