Pulsatilla macrophylla

Pulsatilla macrophylla

(records of Sichuan Traditional Chinese Medicine)

[synonyms] yiyiqingqing (classified herbal medicine), Shanru (Chinese materia medica), dahuacao (Chongqing herbal medicine).

[source] it is the whole grass or the whole grass with roots of the Compositae plant Xiangqing.

[plant morphology] Xiangqing

Perennial herbs, densely white woolly, 30-70 cm high. The leaves are linear lanceolate, about 8 cm long and 1.5 cm wide, tapering upward, acuminate, entire, often clasping at the base, auricular, apex pointed, green on the top and white on the bottom, with white woolly hairs on both sides. The inflorescence is terminal, 8-10 mm in diameter, arranged into cymes; the involucre is multi-layered, white, dry membranous, oval oval, 5 mm long, apex obtuse, erect or inward curved; the flowers are yellowish white; the edge is female, most of them are fruity, the middle part is bisexual, and most of them are infertile. Achene oblong, white, 1-lobed, feathery; seed 1. It blooms in summer.

Born on sunny hillside and field. It is distributed in Sichuan, Guizhou, Hubei and other places.

[collection] in spring and summer, when the flower bud is first released, dig up the roots, remove the sediment and dry in the sun.

[medicinal material] dried whole grass with roots, small root head, 1-3cm long. The stem is about 30-50 cm long and 5 mm in diameter. The tip of the stem is becoming smaller and smaller, with few branches. The appearance of the stem is densely covered with white filamentous hairs. After being pulled off, the stem shows yellowish green, fine and short hairs. The leaves are shrunken and brown, with white hairs on both sides, but shorter than the stem hairs. Many flowers don't exist. It's smelly and weak. It is better to have strong stems and leaves.

It is mainly produced in Sichuan, Guizhou and other places.

[flavor] Chongqing herbal medicine: "sweet and slightly bitter, cool and non-toxic. "

Functions and indications: clearing heat, purging fire and drying dampness. For hematemesis, dysentery, toothache, mastitis and purgation.

① Classified herbal medicine: "it can cure all kinds of fatigue, toothache, hematemesis and dysentery. "

② Nanchuan's Handbook of commonly used Chinese herbal medicine: "clearing away heat, stopping dysentery and expelling insects. Cure dysentery, Ascaris, knife wound. "

③ Common Chinese herbal medicine in Sichuan: "clearing away heat and toxin, drying dampness. It is used to treat dysentery due to dampness and heat. "

[usage and dosage] oral administration: decoction, 1-2 Liang. External use: tamping.

[selection] 1. Treatment of toothache caused by wind fire: two liang of Pulsatilla lobata. Boiled pork with sugar, or boiled duck eggs.

② Treatment of cold fire toothache: four taels of Pulsatilla lobata and two taels of Osmanthus root. Take it orally in boiling water.

③ Treatment of mastitis: Radix Pulsatillae with dandelion. Smash the bag. Effective from the beginning. (Chongqing herbal medicine)

Chinese PinYin : Da Ye Bai Tou Weng