What are the medicinal values ​​of knotweed?

Knotweed is a kind of Chinese herbal medicine. Most of this grass grows in bushes and grows in shaded places for a long time, so it is not easy to be found. Some people call Knotweed horsetail. Knotweed itself has a good effect on promoting blood circulation and removing blood stasis, and promoting blood circulation. Generally, Knotweed is added to ordinary Chinese medicine prescriptions. So what are the medicinal values ​​of Knotweed alone?

Equisetum arvense is a Chinese herbal medicine, its scientific name is "Equisetum arvense"

[Nature and flavor and meridians] Sweet, slightly bitter, neutral.

【Functions and indications】 Clears away heat, promotes diuresis, improves eyesight and removes cataracts, eliminates phlegm and relieves cough. Used for red and swollen eyes, corneal opacity, hepatitis, cough, bronchitis, and urinary tract infection.

Equisetum arvense, also known as file grass, horsetail, and pen-head grass, is a fern plant of the Equisetaceae family. It is abundant in Sandao Township. Equisetum has the function of dispelling wind and heat, relieving muscles and reducing fever. It can be used clinically to treat genital warts and psoriasis. At present, the School of Medicine of Yanbian University has focused on the research and development of the effective anti-skin disease ingredients in Equisetum arvense and its pharmaceutical preparations. It is the whole herb of Equisctum ramosissimum Desf., a plant of the genus Equisetaceae. Available in all seasons.

This species is a poisonous plant included in the Chinese Plant Atlas Database, and the whole plant is poisonous. After being poisoned, horses and mules mainly show symptoms of central nervous system poisoning, mainly motor dysfunction, including unstable standing, staggering gait, swaying hindquarters, drooping eyelids, muscle rigidity, systemic or local muscle tremors, paroxysmal spasms, difficulty breathing, sweating all over the body, and finally falling into a state of collapse and suffocation.

Perennial, with slender rhizomes that grow deep into the soil and are dark brown. The stem is thin and weak, green, with many branches at the base, few branches or partial branches at the top, rough and ribbed, and the leaves are scaly, whorled, and united into a sheath at the base. The sporangium is oblong with a small pointed end; the sporophylls are hexagonal with a concave center. Reproduction by rhizomes or spores.

The rhizomes germinate in early March and produce spore spikes in April. When they mature, they scatter and germinate, becoming autumn weeds.

Widely distributed everywhere, likes to be near water, and is a weed in farmland. However, the occurrence is small and the harm is not great. In Henan Province, it is one of the main weeds in hills, beaches and wheat fields.

[Other names] Equisetum arvense, lockeye grass, pen grass

[Source] The whole herb of Equisctum ramosissimum Desf., a plant of the genus Equisetaceae. It can be harvested in all seasons. Cut the whole grass from the ground, wash it and dry it in the sun.

[Nature and flavor and meridians] Sweet, slightly bitter, neutral.

【Functions and indications】 Clears away heat, promotes diuresis, improves eyesight and removes cataracts, eliminates phlegm and relieves cough. Used for red and swollen eyes, corneal opacity, hepatitis, cough, bronchitis, and urinary tract infection.

【Usage and Dosage】 0.3～1 liang.

As a common Chinese medicine, knotweed likes to grow in the grass and is difficult to find. It grows in a wide area and can be harvested all year round, spring, summer, autumn and winter. The medicinal value of knotweed is very wide, and it has a good effect on clearing heat and detoxifying, treating bronchitis, male impotence and premature ejaculation, and urinary tract infections.