Cao Weiling

Cao Weiling

(materia medica of Southern Yunnan)

[synonym] xiaoheiyao, Weilingxian (Yunnan materia medica), heigen (Guizhou folk medicine), caolingxian (Kunming folk medicine), tongjiaoweiling (Yunnan Chinese herbal medicine selection), heiweiling, tiejiaoweiling (Yunnan Simao Chinese herbal medicine selection), heishengma, xiaoheigen (Yunnan Economic Plant).

[source] it is the root of Convolvulus nervosus.

[plant morphology] Convolvulus nervosus

Perennial herbs, 30-50 cm high. The rhizome is short. Stem cylindrical, reddish to purplish brown, densely rusty pilose. Leaf blade broadly lanceolate to obovate lanceolate, 5-6 cm long, 2 cm wide, margin sparsely serrate, both sides densely covered with rust colored pubescence. Inflorescence solitary at the top of branches; yellow flowers. Involucral bract sequence. The achene is 4-5-angled with a spiny crown. It blooms in summer.

It grows in hillside, sparse forest and roadside grass. It is distributed in Yunnan, Guizhou and other places.

This product is a substitute for Clematis in Yunnan.

[collection] collect in autumn, clean and cut sections, and dry them in the sun.

[nature and taste] 1. In the south of Yunnan Materia Medica, the taste is hard and the nature is warm. "

② Guizhou folk medicine: "sweet and pungent in taste, warm in nature. "

Functions and indications: dispel wind and cold, eliminate stagnation, and dredge channels and collaterals. It is used to treat abdominal pain, food accumulation, abdominal distension, choking diaphragm, stomachache, body deficiency, sweating, cold cough, rheumatism and beriberi.

① "Diannan Materia Medica": "it can treat the pain of cold Qi in the chest and diaphragm, open stomach qi, treat choking diaphragm, cold dampness injure muscles and bones, stop dampness and beriberi. Shaojiu Jianfu, Qupi Feng. "

② Guizhou folk medicine: "tonifying qi and blood, stopping perspiration. "

③ Yunnan Chinese herbal medicine selection: "dispel wind and dampness, dredge channels and collaterals, eliminate accumulation and relieve pain. Treatment of rheumatoid arthritis, lumbago, stomachache, dyspepsia, bone and throat. "

④ "Yunnan Simao Chinese herbal medicine selection": "diuretic dehumidification, cough expectorant. Treat cold, cough, high fever. "

[usage and dosage] oral administration: decoction, 3-5 Liang; wine or stewed meat.

[prescription selection] ① treat cold and attack the heart, cold face and back, cold stomach and abdominal pain, and the lump is hard (full of swelling): Weilingxian three coins, xiangbaizhi three coins, chidiyu four coins, Apricot Leaf Fangfeng five coins, Wuyu two coins, teaspoon grass five coins, guoshanlong one coin (stir fried with wine). Use two Jin of good wine to fry, take two cups hot, and relieve pain. (materia medica of Southern Yunnan)

② Treatment of food, stagnation in the stomach does not disappear, for a long time, yellow face, thin muscles, chest diaphragm expansion, stomach big green tendons, or when for catharsis, cold at first heat, limb soreness: Weilingxian three money, sugar three money. Take some water and wine. (materia medica of Southern Yunnan)

③ Cure dizziness night sweat: black root two Liang. Stewed meat or fried eggs. (Guizhou folk medicine)

④ Cure back cold pain can't bear: Wei Lingxian three money, Prunella five points. Fried Soup for liquor. (materia medica of Southern Yunnan)

⑤ The cure of cold sweat is not enough: heigen Sanliang. Steamed eggs or lean meat. (Guizhou folk medicine)

⑥ Treatment of foot moisture, swelling and pain, meridian pain, walking difficult: Wei Ling Xian three money. Water and wine. (materia medica of Southern Yunnan)

Chinese PinYin : Cao Wei Ling