Fire grass root

Fire grass root

(Chongqing herbal medicine)

[synonym] Gossypium hirsutum root, Pulsatilla chinensis (Chongqing herbal medicine), Pulsatilla chinensis (Shaanxi plant medicine survey).

[source] it is the root of Ranunculaceae.

[plant morphology] Sedum majus

Perennial herb, 40-150 cm high, covered with white hairs. The basal leaf is long petiole, the central leaflet is ovoid or irregular ovoid, 10-16 cm long, 7.5-14 cm wide, 2-lobed, each lobe is lobed, apex obtuse, base cuneate, margin serrate, sparsely hard white hairs on the top, densely white hairs on the bottom, petiole 2-6 cm long; the leaflets on both sides are small, base oblique, petiole 1-3 cm long; the stem leaf has 2 leaves per node 3, opposite or whorled, like basal leaves. Pedicel slender, white hairy; tepals 5, obovate, apex rounded, concave or convex, white or pinkish, surface glabrous, abaxial white hairy; stamens numerous, glabrous; pistils numerous, capitate, stigma oblique, hairy. Achene about 3 mm long, densely woolly, flowering in July to October.

Born on slopes, gullies and roadsides. Distributed in Shanxi, Hebei, Shaanxi, Henan, Gansu, Sichuan, Yunnan and other places.

[collection] roots were dug in spring or autumn, stems and leaves were removed and dried in the sun.

The root is cylindrical, curved and mostly broken. The outer surface is grayish brown to reddish brown, rough, with furrows, and the outer skin is exfoliated; the root head is relatively low, often connected with several stem bases and yellow brown petioles, and densely covered with white woolly hairs. It is easy in quality, tough, uneven in fracture surface and flaky in shape; flat in cross section, the skin is reddish brown, the xylem is developed, and the rays are reddish brown, which usually divides the xylem into two fan-shaped bundles. It has tobacco flavor, astringent and bitter taste.

Produced in Sichuan, Gansu, Shaanxi and other places.

This product is used as Pulsatilla in Sichuan, Gansu and other places.

Bitter, warm and poisonous.

Functions and indications: resolving phlegm, dispersing blood stasis, stopping malaria and killing insects. It is used to treat sore, furuncle, carbuncle, stubborn ringworm, alopecia, malaria, dysentery, fatigue, cough and asthma, infantile malnutrition and traumatic injuries.

① Chongqing herbal medicine: "resolving phlegm, relieving cough, removing poison. Treatment of phlegm, cough, asthma, itching. "

② Shaanxi Chinese herbal medicine: "clearing away heat and toxin, removing pus and generating muscle, removing swelling and stasis, eliminating food and resolving accumulation, intercepting malaria and killing insects. It can cure all kinds of stubborn ringworm, alopecia, sore, carbuncle, nameless swelling, malaria, dysentery, infantile malnutrition and traumatic injury. "

[usage and dosage] oral administration: decoct soup, 1-3 yuan; or grind powder. External use: mash and apply.

[taboo] Shaanxi Chinese herbal medicine: "forbidden for pregnant women. "

[formula selection] 1. Treatment of cough caused by labor injury: one or two from the roots of big fire grass and one or two from the roots of red pig hair. Stewed pork with half a Jin. (Chongqing herbal medicine)

② Cure poison sore itch son: big fire grass root, soil Poria cocos, Prunella vulgaris, honeysuckle, dandelion. Fried soup. (Chongqing herbal medicine)

Chinese PinYin : Da Huo Cao Gen