Potentilla discolor

Potentilla discolor

(save famine materia medica)

[synonyms] drumstick (salvaging materia medica), tianhouer (wild recipe), hudrumstick (compendium), jijiaocao, jijijicao (herbal formula), wupifuer, taro Jiao Cao (plant name Collection), tucai, Fuling Cao (Modern Practical Traditional Chinese Medicine), yusushen, tushen (Fujian folk herbal medicine), jinxiandiaoyu, yajiaoshen, xishazuo (Guangxi Traditional Chinese medicine annals) , chicken feet (Sichuan records of traditional Chinese Medicine), yejiba, Lanxi Pulsatilla, huanghuadiding, qianzhuangda (Hunan records of traditional Chinese Medicine), tianqingdibai (commonly used Chinese herbal medicine in Nanjing).

[source] it is the whole plant with roots of Potentilla discolor, a Rosaceae plant.

[plant morphology] Potentilla discolor

Perennial herbs, 15-30 cm high. The root is much branched, and the lower end is thick and spindle shaped. Stem ascending, inclining outward, branched, white tomentose on surface. Basal leaves clustered, odd pinnate compound leaves, leaflets 5-9: stem leaves small, triple compound leaves, apical leaves nearly sessile, leaflets oblong or narrowly oblong, 2-6 cm long, 0.7-2 cm wide, apex acute, base cuneate, margin serrate, slightly pilose above, densely covered with white hairs below; stipules lanceolate or ovate, also covered with white hairs. Calyx linear, glabrous, glabrous, glabrous, glabrous, glabrous, 5-lobed; stigma oblate, glabrous, glabrous, glabrous, 5-lobed; stigma oblate, glabrous, glabrous, 5-lobed. Achene ovate, pale yellow, smooth, umbilicus slightly thin wing protuberance. The flowering period is from May to August. The fruit period is from August to October.

It grows on hills, roadsides and ridges. It is distributed all over the country.

[collection] harvest in summer and autumn. Before flowering, dig the roots, remove the soil and dry them in the sun.

The root is spindle or cone-shaped, sometimes divergent, about 5-8 cm long. The surface is dark brown red, twisted and shrunk, and the cork has no peeling mark. No obvious stem. The leaf is root, odd pinnate compound leaf, leaflets are paired, long elliptic, with short petiole, the top one is larger, gradually smaller downward, wrinkled, mostly folded inward from the midvein, the upper surface is dark green, the lower surface is gray white; densely hairy, the edge is coarsely serrated. The root head and petiole were covered with white Tricholoma. It is slightly brittle and fragile. The air is slightly smelly and the taste is astringent. It is better to have no flower stem, gray color and impurity.

All over the country. Mainly produced in Hebei, Anhui and other places.

In some areas of Northeast China and North China, the whole plant of Potentilla (see "Potentilla" article) is still used as Potentilla discolor. Potentilla asiatica is used in Xinjiang, and Potentilla glauca (see Guan Zhong) is used in Tibet.

[chemical constituents] the root contains tannins and flavonoids.

[taste] sweet and bitter, flat.

① "Save famine Materia Medica": "sweet taste. "

② "Gangmu": "sweet slightly bitter, flat, non-toxic. "

③ "Guangxi Traditional Chinese medicine annals": "sweet taste, warm nature. "

Functions and indications: clearing away heat, detoxifying, hemostasis and detumescence. It can cure dysentery, malaria, lung carbuncle, hemoptysis, hematemesis, lower blood, metrorrhagia, carbuncle swelling, sore ringworm and tuberculosis.

① "Gangmu": "treatment of hematemesis, lower blood, collapse, malaria, carbuncle sores. "

② "Primitive Materia Medica" says: "the master is nameless, swollen and poisonous, scabies and scabies, ulcers and ulcers. "

③ "Cao Mu Bian Fang": "clear and benefit the intestines and stomach, remove rheumatism. Treatment of red white long dysentery into chancre, painted dog bite. "

④ Fujian folk herbal medicine: "removing blood stasis to produce new, dispersing depression to stop bleeding. "

⑤ Collection of commonly used folk herbal medicines: "cough, red collapse. "

⑥ "Guangxi Traditional Chinese medicine annals": "root: treatment of postpartum soft feet, abortion. Ye: it can drive the wind. "

[usage and dosage] oral administration: decoct soup, 3-5 yuan (1-2 Liang fresh); or soak in wine. External use: tamping.

[formula selection] ① for bacillary dysentery and amoebic dysentery: fresh turning white grass, whole grass or root, one to two, deep frying, two to three times a day. (commonly used Chinese herbal medicine in Nanjing)

② Treatment of cold and heat of malaria and nameless swelling toxin: turn over five or seven roots of white grass and take them with decocted wine. (compendium)

③ Cure lung carbuncle: fresh turn white grass root one or two, mouse thorn root, Du Gua root each five money. Add water and fry it into half a bowl. Take it before meals and twice a day. (Fujian folk herbal medicine)

④ Treatment of cough: turning white grass root. Cook pig lung food. (Hunan medical records)

⑤ Treatment of phlegm and asthma: turn over the whole grass. Cook rock sugar. (Hunan medical records)

⑥ More than cure hematemesis: turning over white grass. Each with five or seven branches, chew mouth, water for two minutes, fried for one hour, hollow clothing. (compendium)

⑦ Treatment of collapse in the lower blood: Lake chicken leg root one or two, mash, wine two, fry a service. (Linhu jijianfang)

⑧ Treatment of stool and lower blood: turning white grass root - two or five money, pig large intestine does not limit the amount. Add water to stew, remove dregs, take soup and intestines. (prescription of Jiangxi folk herbal medicine)

⑨ Treatment of traumatic bleeding: new Potentilla discolor leaves. Crush and apply to the wound. (prescription of Jiangxi folk herbal medicine)

⑩ Treatment of hemophilia: two to three liang of fresh Potentilla discolor. Decoction, one dose a day. At the same time, mash the fresh grass and apply it to the bleeding area. (selected materials of new Chinese herbal medicine treatment in Jiangsu Province)

(11) treatment of leucorrhea due to weakness of spleen and stomach: turning white grass with duckweed, Jishiteng, geshanpry, glutinous rice grass root, Smilax glabra, tartary buckwheat head, Agrimonia pilosa. Take it in water. (Chengdu Chinese herbal medicine)

(12) treatment of mumps: turn over the dried roots of white grass and apply the juice to the affected area with Shaojiu. (prescription of Jiangxi folk herbal medicine)

At the beginning of its treatment, it is not limited to the past or the future: shaobaicao (ten branches), decocted with wine. (compendium)

(14) treatment of ulcer: turning white grass (washing). Each with a grip, fry soup basin Sheng, surrounded by fumigation effect. (baoshoutang experience prescription)

To cure scabies all over the body: turning white grass. Every time you hold it, fry and wash it. (compendium)

[clinical application] treatment of cervical lymph node tuberculosis

Take 1.5 ~ 2 liang of Potentilla discolor, soak it in 1.5 Jin of yellow rice wine for 1 day and night, stew it for about 1 hour every other soup, add brown sugar in proper amount, once or several times, and take it in one day. One dose every day or every other day, 15 doses for a course of treatment, if necessary, discontinue the drug for 5 days and continue to take the second course of treatment. 11 cases were treated with streptomycin and other antituberculosis drugs. After 1-2 courses of treatment, 8 cases of cervical lymph node inflammation subsided, the mass disappeared; 2 cases of peripheral inflammation reduced, the mass reduced; 1 case was invalid.

Chinese PinYin : Fan Bai Cao