Potentilla

Chinese Name: Potentilla

[category] whole grass

[synonyms] Chinese Cabbage (salvaging materia medica), root head herb, wild poisonous side flower (plant name Collection), Huangzhou Pulsatilla (Chinese medicinal plant record), Longya herb (Nanjing folk medicinal herb), tianqingdibai, xiaomaoyao, huzhucai (Guizhou folk medicinal herbs Collection), Ranunculus (northeast medicinal plant record), Laoyaling, laoyagua (Shandong traditional Chinese Medicine), regional herb (Huhhot medical plant record) (3): 42, 1972).

[source] it is the root of Potentilla or the whole grass with roots.

[plant morphology] Potentilla

Perennial herbs, 30-60 cm high. Root hypertrophy, conical. Stem erect, dense gray white wool. The basal leaves have 8-11 pairs of leaflets, the apical leaflets are the largest, and the leaflets on both sides gradually become smaller downward. The leaflets are narrow, long, elliptic, 2-5 cm long, 8-15 mm wide, and the edge is pinnate. Lobes triangular lanceolate, margin retrorse downward, pubescent above, densely white woolly below; stipules long lanceolate to elliptic lanceolate, entire remnant pinnate, densely woolly; stem leaves and root leaves isomorphic and smaller, leaflets 1-7 pairs. Flowers are numerous, terminal, in the shape of corymbose; calyx 5-lobed, lobes broadly ovate, epicalyx 5-piece, lanceolate to linear, with white woolly hair; petals 5-yellow, obovate, round, concave head; stamens more than applied, filaments unequal, anthers yellow; pistils many, aggregated, ovary ovate and small. Style lateral, stigma small. Achene ovoid, ca. 2 mm, brown, smooth, enclosed in persistent calyx. The flowering period is from June to August. The fruit period is from August to October.

It grows on hillside, roadside, field side, mountain forest and grass. It is distributed in most parts of the country.

[collection] harvest from April to October. Remove the flower and fruit branches of the whole grass with roots and dry it in the sun. Or remove all the stems and leaves above the ground and use only the roots.

[herbal medicine] it is dry root or whole grass with root, cylindrical root, occasionally curved, different length, 0.5-1 cm in diameter, reddish brown or dark brown in appearance, with irregular longitudinal cracks, flaky cork; it is hard in quality, uneven in fracture surface, easy to separate skin from wood, reddish brown in skin and brownish white in wood. The head of the root is thick and tufted, with most yellowish brown leaf bases; the pinnate compound leaves are shrunk, the leaflets are mostly folded inward, the edge is turned outward, and the back surface is dense and long. Weak Qi, slightly bitter and astringent taste. It is better to have no stem or impurity.

Mainly produced in Shandong, Liaoning, Anhui. In addition, it is also produced in Hebei, Henan, Inner Mongolia, Hubei, Jiangsu, Guangxi and Fujian.

This product is used as Potentilla discolor in most areas and Pulsatilla chinensis in a few areas, which is called "Huangzhou Pulsatilla chinensis".

[chemical constituents] fresh plants contain 62.39% water and 49.4 mg ascorbic acid. The dry product contained 12.12% moisture, 9.18% protein, 4.03% fat, 21.89% crude fiber, 7.25% ash, 0.26% P2O5 and 2.63% Ca0.

[pharmacological action] the effect of Potentilla on Amoeba histolytica is weaker than that of Pulsatilla. Please refer to "Pulsatilla".

Bitter and smooth.

① "Saving famine Materia Medica": it tastes bitter and slightly spicy. "

② Shandong traditional Chinese medicine: "slightly bitter taste, flat nature, non-toxic. "

③ Guiyang folk herbs: "astringent, bitter, cold, non-toxic. "

[function indications] dispel wind dampness and detoxify. For dysentery, rheumatism, muscle pain, paralysis, epilepsy, scabies.

① "Treatment of amoebic dysentery" in Chinese medicine Zhi. "

② "Guizhou folk medicine collection": "cure dysentery, sow madness, sheep epilepsy. "

③ "Jiantang washes scabies. "

④ Guiyang folk herbs: "clearing heat and detoxifying. Treatment of red and white dysentery, rheumatism, pain, paralysis. "

[usage and dosage] oral administration: decoction, 0.5-1 Liang; grind powder or soak wine. External use: decoct, wash, tamp or sprinkle.

[prescription selection] 1. Dysentery: tianqingdibaigen Wuqian. Take fried water three or four times a day for two or three days.

② Cure long dysentery more than: tianqingdibai, white Hibiscus spend five money each, fried water to eat.

③ Treatment of diarrhea abdominal pain: tianqingdibaiximo five points. Swallow with boiling water and take before meals.

④ For rheumatism, numbness, paralysis and long-term pain of muscles and bones: tianqingdibai, dafengteng, wuxiangxueteng, rabbit earwind each half Jin, take it continuously with wine, one or two in the morning and one in the evening every day.

⑤ Treatment of wind palsy: tianqingdibai (fresh) 1 jin. Soak two Jin of wine, take one or two liang each time. The second dosage is the same. Plus Polygonum multiflorum one or two (pain plus henna root two or two).

⑥ At the beginning of the treatment of sores: the sky is green and the earth is white. Take it in boiling water.

⑦ Wound hemostasis muscle: tianqingdibaiye (dry) grind the end of the external; or fresh root mash external application.

⑧ Treatment of epilepsy: tianqingdi Baigen (to the heart) one or two, alum three money. Add wine soaking, warm oral, hair and even service, after service, then take alum powder one money. (Guiyang folk herbs was selected)

[clinical application] 1

Take 2-4 liang of fresh whole grass (0.5-1 liang of dry product) and cut it into pieces. Fry it in water twice. Mix the two decoctions. Add a small amount of brown sugar and fry it for a while. Take it twice. Take one dose a day. If necessary, take another one or two doses. 112 cases of uterine functional bleeding, menorrhagia, epistaxis, hemoptysis, hematuria and some cancer bleeding were observed. Results 66 cases were cured and 29 cases were effective. Among them, the treatment effect of gynecological diseases is the most satisfactory, followed by medical diseases. The hemostatic effect of this product is the strongest in the root. For example, if a patient with massive hemoptysis takes 1 liang dry root, hemoptysis will stop the next day.

② Treatment of acute bacillary dysentery

Take dried root of Potentilla into 20% solution, 60 ml each time, oral twice a day. Or make 20% injection for intramuscular injection, 2 ml for the first time, then gradually increase to 3.5 ml, 1-2 times a day. All patients were given 20% solution 60 ml at the same time for retention enema, 1-2 times a day. The treatment lasted for 2 to 10 days. 52 cases were treated with injection, 49 cases were cured, 3 cases were improved, the average total dose of each case was 3.4g; 3 cases were treated with oral administration, 2 cases were cured, 1 case was improved, the average total dose of each case was 82G; 9 cases were treated with intramuscular injection and oral administration, 8 cases were cured, 1 case was improved, the average total dose of each case was 59.8g.

③ In the treatment of amoebic dysentery, Weiling Caulis was made into decoction or liquid extract. The daily dose for adults is 20-30g (calculated by crude drug). Three times. A few patients with 10% Decoction 100 ml line retention enema. 7-10 days as a course of treatment, if necessary, rest for 1 or 2 days before the second course of treatment. 27 cases were treated clinically, including acute, chronic and chronic occult acute. After taking the medicine. The temperature of febrile patients decreased rapidly, abdominal pain, diarrhea and mucinous stool mostly disappeared in 1-4 days, and the average time of pathogen turning negative in stool microscopic examination was 3 days. 8 cases were followed up and 1 case recurred after 1 month. Therefore, it is suggested that repeated and thorough treatment should be given to chronic insidious patients.

Chinese PinYin : Wei Ling Cai