Bai Wei

Chinese name (Ben Jing)

Root class

[synonyms] shangchuncao (Erya), mangcao (Erya), Baiwei (bencaojing), Baimu (Baimu), Weicao (Weicao), Gumei (bielu), Baiwei (collection of medicinal materials).

[source] it is the root of erect or creeping Lagerstroemia indica of Asclepiadaceae.

[plant morphology] 1. Lagerstroemia verticillata, also known as: 300 roots, Hedysarum, Vallisneria, yangnaizi, Shanyan, baidangcao, laolongjiao, Yangjiao, Shangtianti, daxiangsha, jiugenjiao, jiejiekong, Dabaisha, Bighorn, grandma's sewing bag, xialibu, shanlaoguapiao.

Perennial herbs, 40-70 cm high, with white milk. Rhizome short, clustered, most slender strip root. Stem erect, usually unbranched, densely grayish white pubescent. Leaves opposite; shortly stipitate; leaves ovate elliptic to broadly ovate, 5-10 cm long and 2.5-7 cm wide, apex short acuminate, base rounded, entire, green above, pubescent, glabrescent when old, pale green below. Densely grayish white tomentose; veins slightly raised below. Umbels axillary, pedicels short, pendulous, densely pubescent; flowers black purple, about 1-1.5 cm in diameter; calyx 5-lobed, lobes lanceolate, lateral densely pubescent; corolla 5-lobed, lobes ovate oblong, apex obtuse, lateral sparsely yellowish brown puberulent; accessory corolla 5-lobed, lobes elliptic, upper part around the top of stigma, as long as stigma, lower part with filament base The pistil consists of two carpels, the two carpels are slightly connected, the ovary is superior, the style is surrounded by pubescence, and the stigma is under the style. Follicles angular, fusiform, 5-8 cm long, 1.5 cm wide. Seeds numerous, ovoid, narrowly winged, apex with long white woolly hairs. The flowering period is from May to July. The fruit period is from August to October.

Growing on hillside or edge of forest. It is distributed in most parts of the country,

② It is also known as Baihua Niupi Xiao.

Its shape is similar to that of erect Lagerstroemia indica, but the upper part of its stem is creeping and pubescent. Its leaves are ovate or elliptic, and its flowers are about 1 cm in diameter. It is yellowish green when it first opens, and then gradually turns black purple.

He was born in the mountains. Distributed in Liaoning, Hebei, Henan, Shandong, Shanxi, Anhui and other places.

[collection] it can be harvested in early spring and late autumn. It is better to harvest in autumn. After excavation, remove the above ground part, wash and dry.

[medicinal material] it is dry, cylindrical, slightly transversely curved, nodular, about 1.5-6 cm in length and 0.5-2 cm in diameter; its surface is grayish brown to brown; its quality is hard and brittle, easy to break, and its cross section is slightly flat and almost white. The root is slender cylindrical, sometimes curved or curly, clustered on the rhizome, like horsetail, about 10-20 cm long, about 1-2.5 mm in diameter, yellowish brown on the surface, with fine longitudinal wrinkles. It's brittle and easy to break. When it breaks, some powder will fly out. The section is slightly flat, white to light yellowish brown, with developed bark and small wood, accounting for only 1 / 3 of the diameter. Weak Qi, bitter taste. The root color is yellow brown, thick, uniform, white and solid.

It is mainly produced in Shandong, Liaoning and Anhui. In addition, it is also produced in Hubei, Jiangsu, Zhejiang, Fujian, Gansu, Hebei and Shaanxi.

[chemical constituents] the root of Lagerstroemia verticillata contains Lagerstroemia, volatile oil and cardiac glycoside.

[processing] clean the impurities, remove the stems and seedlings, wash them, soak them slightly, moisten them thoroughly, cut them into sections and dry them in the sun.

① "Lei Gong's satiation Theory:" after picking Baiwei, soak it in glutinous rice swill juice for one night, take it out in the morning, remove the moustache, file it on the Huai anvil, steam it, and use it from Si to Shen. "

② "The compendium of works": "wine is used for washing. "

[flavor] bitter, salty and cold.

① Ben Jing: "it tastes bitter and flat. "

② "Da Han, non-toxic. "

③ "Materia medica Huiyan": "bitter and salty taste, temperature, non-toxic. "

④ Ben Cao Bei Yao: "bitter, salty, cold. "

[channel tropism] entering lung, stomach and kidney channels.

① "Yangming Sutra" in Gangmu. "

② "Lei Gong's treatment of medicinal properties": entering the heart and kidney meridians. "

③ New edition of materia medica: "entering the heart and spleen meridians. "

Functions and indications: clearing heat and cooling blood. It is used to treat Yin deficiency, internal heat, warm wind, burning heat, multiple sleep, lung heat, hemoptysis, warm malaria, dysentery, postpartum dysentery, dysmenorrhea, dysmenorrhea, dysmenorrhea.

① "Ben Jing" says: "he has a sudden stroke, warm body and full limbs, and sometimes he doesn't know people. He is confused with evil Qi, cold and hot, sore, warm malaria, and sometimes he attacks. "

② Bielu: "dew in healing. Lower water Qi, benefit Yin Qi, benefit essence and benefit people for a long time. "

③ Tao Hongjing: "treatment of shock evil, wind mania, Shu disease. "

④ "Compendium": "treat wind, heat, sleep, and heat drench, enuresis, golden sore bleeding. "

⑤ "Ben Cao Shu": "it is mainly used to treat patients with phlegm deficiency. "

⑥ Yao Yao Fen Ji: "clearing deficiency fire, eliminating blood heat. "

⑦ Modern practical Chinese medicine: "it is used to treat limb edema of stroke patients, burning heat in the middle and late stage of acute fever, consumption heat of weak diseases, bone steaming and hot tide of pulmonary tuberculosis, etc., and it has the effect of cooling and nourishing; it is also used to treat astringency of small intestine, lung heat and cough, etc. "

⑧ "Clearing lung heat" in the collection of commonly used folk herbs. Treatment of hematemesis and cough in the elderly. "

⑨ Main toxic plants in South China: "it can treat nephritis, tuberculosis, urinary tract infection, edema, etc. "

[usage and dosage] oral administration: decoction, 1.5-3 yuan; or into pills, powder.

[taboo] 1. Ben Cao Jing Ji Zhu: "evil", "evil", "evil". "

② According to the classic of Materia Medica, "it is not suitable to take typhoid fever and Tianxing fever, or excessive sweating and Yang loss, or internal deficiency without thinking about food, or internal deficiency after going down, cold feeling in the abdomen, or excessive diarrhea due to going down. "

③ "Materia Medica from the new": "blood heat is appropriate, blood deficiency is taboo. "

[prescription selection] 1. To treat body deficiency, low fever, night sleep and sweating: Baiwei, four coins each, decoction. (Hebei Traditional Chinese medicine manual)

② Treatment of tuberculosis hot flashes: Baiwei three money, Humulus three money, Digupi four money, decoction. (commonly used Chinese herbal medicine, Nanjing)

③ Treatment of urethral infection: Baiwei five money, one or two, decoction. (commonly used Chinese herbal medicine, Nanjing)

④ For the treatment of deficiency in women's milk, upset and nausea: two points, two points, one point, seven points, one point for Bai Wei. At the end of the five flavors, jujube meat and marbles are big. Take one pill with drink, three days and two nights. Beibaiwei is the one with fever, and jiabaishi is the one with dyspnea. (Zhupi pill in Synopsis of the Golden Chamber)

⑤ In the treatment of depression and bleeding Jue, there is no pain in life. Suddenly, it is like death. The body does not move. It does not know the person in silence. The eyes are closed and the mouth is silent. It can't speak. Or it seems to know, but it can't hear people's voice. Or it's like dizziness. It's like Bai Wei one or two, one or two, half two. For powder, take five money each, water two, fry to one, to dross, warm. (Baiwei Decoction in Quan Sheng Zhi Mi Fang)

⑥ Treatment of women enuresis, I do not know when: Baiwei, peony each one or two. The first two flavors, the second one. Wine service square inch dagger, three days. (Qian Jin Fang)

⑦ Fire eye: Baiwei one or two, decoction. (Hunan medical records)

⑧ Treatment of lung solid nasal obstruction, do not know the smell: two, two, (to the heart), Baiwei each one or two. On for scattered, each take a money, rice drink adjustment. (Puji Fang)

⑨ Treatment of golden sore blood more than: Baiwei paste at the end. (Confucianist family affairs)

⑩ Treatment of scrofula: fresh Baiwei, fresh each equal, pound velvet applied to the affected area. (Guizhou herbal medicine)

(11) treatment of rheumatoid arthritis: Baiwei, smelly goat and geese's intestines are five yuan each, and they are taken after soaking in wine. (Guizhou herbal medicine)

Chinese PinYin : Bai Wei