Bamboo leaf Saposhnikovia

Bamboo leaf Saposhnikovia

(materia medica of Southern Yunnan)

[synonym] chicken foot Fangfeng (investigation report on medicinal plants in Kunming), yunfangfeng (records of traditional Chinese Medicine), xifangfeng (records of traditional Chinese medicine in Sichuan).

[source] it is the root of Saposhnikovia divaricata.

[plant morphology] Saposhnikovia divaricata

Perennial herbs, 30-50 cm high. It has long round taproot. Stems solitary or few tufted, all few glabrous. The basal leaves are 3-pinnate compound leaves, petiolate, 3-4 cm long; the lobes are long fusiform or linear lanceolate, entire, both ends acuminate, 3-5 parallel veins, obvious; the stem leaves are similar to the basal leaves, but the leaves are smaller, the petiole base embraces the stem, and the leaves at the top are almost not compound but simple. Compound umbel axillary or terminal; petiole 5-8, without involucre; petiole 10-20, unequal length, base with several involucres, narrowly lanceolate, glabrous; calyx teeth short triangle; petals 5, white, apex sharp, slightly inward curved; stamens 5, filaments curved, anthers longitudinally straight dehiscent; ovary ovate, style shorter. Suspensory fruit ovoid, purple brown, with prominent fruit edge, but not lignified. The flowering period is from August to September. The fruit period is from September to October.

It grows on the side of barren mountain road and in the grass on the hillside. It is distributed in Yunnan, Sichuan and Guizhou.

Saposhnikovia divaricata, a plant of the same genus, is used as medicine in Yunnan Province. The main difference is that the leaves are narrowly linear. See windbreak.

[collection] in spring and autumn, it can be dug, washed and dried.

[medicinal material] the dry roots are conical or long cylindrical, slightly curved, sometimes branched, 10-20 cm long, 0.5-1.5 cm in diameter, and grayish brown or brownish yellow in appearance. The head of the root sometimes expanded (up to 2 cm) or sometimes reduced, with obvious depressed stem marks at the top, fine ring lines and residual sheath fibers around. There are dense longitudinal wrinkles and long and protruding lenticels in the root, and sometimes there are fibrous root marks. It is solid, not easy to break, the section is not flat, the center is yellow xylem, the cortex accounts for most of the root, white, scattered brown oil spots, especially close to the cambium. It is fragrant, slightly sweet and astringent. It is better to have a large strip, thin yellow skin, white heart, chrysanthemum flower heart, oily and sweet taste.

Produced in Yunnan, Sichuan and other places.

This product is used as windbreak in Yunnan and Sichuan, please refer to "windbreak".

[pharmacological action] it belongs to the same plant, Tai crystalline cardiac glycoside. 2 g of hay is equivalent to 1 cat unit. The extract of this plant has contractile effect on isolated rabbit ear blood vessels.

[processing] remove the residual stem, soak it in water, take it out, moisten it thoroughly, slice it and dry it in the sun.

[nature and taste] 1. In the South Yunnan Materia Medica, it is warm in nature and pungent in taste. "

② Sichuan Traditional Chinese medicine annals: "warm in nature, sweet and pungent in taste, non-toxic. "

[Guijing] Sichuan Traditional Chinese medicine annals: "into the liver, spleen, bladder three channels. "

Functions and indications: relieving exterior symptoms, dispelling wind and eliminating dampness. Treatment of cold, cold dampness, carbuncle, sore, tetanus.

① "Diannan Materia Medica": "purging the lung qi (one for purging the spleen), treating the wind, passing through the twelve meridians. (treatment) all wind cold dampness arthralgia, muscle and bone pain, carbuncle swelling and other diseases. Kill aconite poison. "

② "Sichuan Traditional Chinese medicine annals:" published analgesic, Qufeng Shengshi. Treatment of external symptoms, headache, dizziness, joint pain, limb contracture, red eyes, sore and tetanus. "

[usage and dosage] oral administration: decoction, 1-3 yuan; or into pills, powder.