What is Shi Wei?
(scientific name: Pyrrosia lingua (Thunb.) Farwell), which is also called Pyrrosiae Folium
or Pyrrosia lingua.
Pyrrosia lingua is a medium-sized epiphytic fern, and the plant can reach 30 cm. Horizontal rhizomes, scales lanceolate, distant leaves, leathery after drying, grayish green above, nearly oval sporangia, star-shaped light brown at first, brick red when mature.
Pyrrosia lingua, the name of traditional Chinese medicine. It is the dried leaves of Pyrrosio, sheareri (Bak.) Ching, Pyrrosia lingua (Thunb.) Farwell or Pyrrosia petiolosa (Christ) Ching of the family Water Keelaceae. It can be harvested throughout the year, remove rhizomes and roots, and dry in the sun or in the shade. Shi Wei is bitter and sweet to expel benefit, slightly cold can clear away, and enters the lung and bladder meridian. The lower part benefits the bladder and relieves stranguria, hemostasis, and expels stones; the upper part clears away lung-heat and relieves cough. It is most suitable for bloody stranguria and hematuria, hot stranguria and stone stranguria are also good, and it can be used for cough and asthma due to lung heat.
Types of Shi Wei
The leaves are slightly shriveled, lanceolate after flattening, 10-500px long and 3-ocm wide. The apex is acuminate, the base is ear-shaped and deviates, the margin is entire, and the pupil is often rolled inward at the edge; the upper surface is yellow-green or gray-green, scattered with small black round pits; the lower surface is densely covered with reddish-brown stellate hairs, and some lateral veins There are clusters of brown dot-shaped sporangia between them. Petiole with four edges, 10-500px long, 1.5-3mm in diameter, slightly twisted, with longitudinal grooves. Leaves leathery. Slight gas, slightly astringent and bitter taste.
The leaves are lanceolate or oblong-lanceolate, 8-300px long and 1-75px wide. Base cuneate, symmetrical. The sporangia are arranged tightly and neatly between the lateral veins. The petiole is 5-10 long and about 1.5mm in diameter.
Shiwei with handle
The leaves are mostly curled and cylindrical, and after being flattened, they are oblong or egg-shaped oblong, with a length of 3-200px and a width of 1-2.125px. Base cuneate, symmetrical; lower surface lateral veins inconspicuous, covered with sporangia. The petiole is 3-300px long and about 1mm in diameter.
Growth environment of Shi Wei
Shiwei epiphytes grow on tree trunks in low-altitude forests, or on slightly dry rocks, at an altitude of 100-1800 meters. Shiwei likes a cool and dry climate.
Shiwei is produced in various provinces and regions south of the Yangtze River, from Gansu (Wenxian) in the north, Tibet (Medog) in the west, and Taiwan in the east. Also found in India (Assam), Vietnam, North Korea and Japan. Distributed in Anhui, Jiangsu, Zhejiang, Henan, Fujian, Taiwan, Guangdong, Guangxi, Jiangxi, Hubei, Sichuan, Guizhou, Yunnan and other places.
Processing methods of Shi Wei
Collection and processing
Shi Wei can be harvested throughout the year, remove rhizomes and roots, and dry in the sun or in the shade.
Remove impurities, wash, cut into sections, dry, and sieve to remove fines.
Shi Wei TCM
Dry leaves of the plant.
Sweet, bitter, slightly cold in nature.
Return lung, urinary bladder channel.
Diuretic for treating stranguria, clearing lung and relieving cough, cooling blood and stopping bleeding.
For pyretic stranguria, bloody stranguria, stone stranguria, obstructed urination, stranguria with stranguria, dyspnea and cough due to lung heat, hematemesis, epistaxis, hematuria, metrorrhagia.
Contraindicated for those with yin deficiency and no damp-heat.
1. Painful urination: Shiwei and talc are divided into equal parts, and it is the end. Take Daogui with every drink, the fastest. ("Taiping Shenghuifang")
2. Urinary transfer: Shiwei (hair removal), plantain seed, two and a half cents each, two cups of water, one cup of decoction, take before eating. ("Quan Sheng Zhi Mi Fang")
3. There is blood before the stool: stone skin is the end. Eggplant branches decocted in soup for two qian. ("Pujifang")
4. Leaking in the collapse: Shi Wei is the end. Three qian per serving, warm wine, very effective. ("Compendium of Materia Medica")
1. "Bie Lu" says: All use to remove yellow hair. The hair shoots into the lungs, which makes people cough and cannot be cured.
2. "Shen Nong's Materia Medica": Exhaustion and heat evil, five infirmities are blocked, and the urine channel is improved.
3. "Compendium of Materia Medica": Main metrorrhagia and gold sores, clearing lung qi.
Shi Wei benefits
Diuretic to treat stranguria
Shi Wei is bitter, can reduce diarrhea and dry dampness, enter the bladder meridian, clear lung heat, and benefit the bladder. It is more suitable for hot stranguria, bloody stranguria, stone stranguria, urinary obstruction, and stranguria with astringent pain.
Clear lung and relieve cough
Shi Wei is cold, can clear away heat and purify fire, and enter the lung meridian, so it has the effect of clearing lung and resolving phlegm and relieving cough. It is more suitable for people with lung heat and cough with excessive phlegm.
Cool blood to stop bleeding
Shi Wei is bitter in taste, slightly cold in nature, clears heat and relieves lungs, and enters the liver meridian. The liver stores blood, so it is good at clearing and separating heat from blood.
Shi Wei side effects
Hurt the kidney
Shi Wei tastes sweet and bitter, and returns to the bladder meridian. The drugs are usually metabolized through liver and kidney. If you take Shiwei for a long time or excessive amount, it is easy to reduce kidney detoxification ability, resulting in accumulating poisoning. The manifestation of kidney deficiency.
Hurt the spleen and stomach
Shi Wei has a bitter taste and slightly cold. Taking Shiwei for excessiveness can easily lead to cold and cold drugs to damage the spleen and stomach, which can cause the discharge of the transportation, which can cause imbalance of digestive function.
Shi Wei uses
Shi Wei's root, leaves and water decoction can be eaten after adding water to clear heat and relieve cough.
Clear heat and damp Shi Wei tea
Materials: Shi Wei, 60 grams each, 30 grams of mountain garden, 15 grams of licorice
Method: Put the medicine for impurities, pound the coarse, 1 dose daily, decoction for tea.
Efficacy: Treatment of urinary tract infections, damp -heat condensation. Symptoms see frequent urination, urgency, dysuria, more urine, or less urine, and the urethra is hot and painful. This party uses Shi Wei and the car to clear the water, and the gardenia and licorice are detoxified. Make the evil of damp heat from urinating from childhood. Wet and humid, the bladder gas can be used, and the urine is formed by the burning. Urban diseases such as urinary tract infection, urinary tract stones, pyelonephritis, and cystitis of modern medicine can be treated with urinary diseases such as this prescription.
Shi Wei Tang
Materials: 20 grams of Qu Mai Sui, 20 grams of fried winter sunflowers, 20 grams of Shi Wei (hair removal), and 20 grams of car (bag).
Method: After mixing the medicine, decoction with water, 1 dose daily.
Efficacy: Treatment of heat.
Made into powder or pill
Shi Wei San
Materials: 60 grams of white peony, 60 grams of Shiwei, 30 grams of Puhuang, and 60 grams of angelica.
Method: After the medicine is mixed, it is studied as fine. Take 6 grams each time and adjust it with warm wine.
Efficacy: Treatment of blood.
Fufang Shi Wei Pian
Clear heat and humidity, diuretic. Fufang Shi Wei Pian is used for thermal dilute caused by lower coke and humidity. Symptoms are adversely urinated, frequent urination, urgency, dysuria, and edema of the lower limbs; acute glomerular nephritis, pyelonephritis, cystitis, urethritis, see the above -mentioned evidence.
When using it for external use, take an appropriate amount of Shi Wei and apply it at the end of the research.
How to choose Shi Wei?
Shiwei medicinal materials are better with full, thick and large leaves with red back color and small points.
The petiole is close to cylindrical, brown or brown -black, 6-15 cm long, with longitudinal grooves; the leaves are twisted and clicked, and after flat exhibitions, it is lanceolate, 7-20 cm long, 1.5 to 3 cm wide, apex gradually sharp, leaf bases Wedge -shaped to circular, full, brown or gray -brown on the leaf surface, hairless or sparse star -shaped hair, with black round small concave dots, and the back of the back with red dots with red dots The branches are thicker and short, and the surface of the leaves is almost all covered with spores. The leaves are leather, which is easy to break.
Fake: Ju Yuan Shiwei
The dry leaves are similar to the appearance of the genuine Shiwei, but the difference is that the leaves are round to ovate, the leaves are round, and the leaves are yellow -green; Slightly astringent. Although the pseudo -Shi Weimi is the same plant with genuine Shiwei, it does not have the effect of authenticity, so it cannot replace the medicine for genuine Shiwei.
How to buy Shi Wei?
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