Baiqian

(bielu)

[synonym] Shi LAN and Sou Yao (Tang Ben Cao).

[source] it is the root and rhizome of Cynanchum salicifolium or Cynanchum salicifolium in Asclepiadaceae.

[plant morphology] ① Baiqian willow leaf, also known as Salix, big crane ladle and Salix.

Perennial herbs. The height is 30-60 cm. The rhizome is creeping. Stem erect, simple, lower part lignified. Leaf blade lanceolate to linear lanceolate, 3-8 cm long and 3-8 mm wide, apex acuminate, base narrower, margin retrorse; lower leaf shorter and wider; apical leaf shorter and narrower. Cyme axillary, total pedicel 8-15 mm long, with many bracteoles above the middle; calyx green, 5-lobed, lobes ovate lanceolate; corolla purple, 5-lobed, lobes linear, about 5 mm long, base short tubular; corona 5, upper part around the top of stigma, shorter than stigma; stamen 5, with pistil into stigma, anther 2-locular; pistil 1, ovary superior, 2-carpel several Style 2, connected to form a flat disk-shaped stigma at the top. Follicles angular, ca. 7 cm long. Seeds numerous, apex with white villi. The flowering period is June. The fruiting period is October.

It grows on the sand moraine of stream beach and river side or in the shade and wet place of valley. It is distributed in Zhejiang, Jiangsu, Anhui, Jiangxi, Hunan, Hubei, Guangxi, Guangdong, Guizhou, Yunnan, Sichuan, etc.

② Wuhuayebaiqian, also known as: xipiaogeng, xiaojiecao, wugenzi.

Perennial herbs, 25-40 cm high. The rhizome is prostrate, and the nodes are clustered with many fibrous roots. The stem is erect, the young branch is covered with brown Tricholoma, and the old branch often remains some Tricholoma. Leaf blade elliptic, 2.5-5 cm long, 0.8-1.5 cm wide, apex rounded or acute, base cuneate, entire. Corymbose axillary; calyx yellowish green, nearly divided, lobes ovate; corolla yellowish white, deeply 5-lobed, lobes oval; corona 5, yellowish green, sarcomatous, upper part around the top of stigma, several times as long as stigma; stamen 5, drug covering the apex of stigma; ovary superior, composed of 2 almost separated carpels, two stigmas connected to form a thick flat plate stigma. Fruit 1-2, narrowly ovate, about 4.5 cm long. Seeds numerous, apex with white villi. The flowering period is August. The fruit period is from September to October.

The growth environment and distribution are the same as that of the former. The two always grow together.

[collection] dig roots in August, or pull up the whole plant, cut off the aboveground parts, wash and dry in the sun.

[herbal medicine] 1

Also known as: crane tube white front. It is a dry rhizome and root, which is twisted into a mass. The rhizome is tubular, slender, nodal, slightly curved, about 4-15 cm long, 1.5-5 mm in diameter, light yellow to yellowish brown on the surface, with fine longitudinal wrinkles, swollen nodes, often divergent, dense fibrous roots, and gray green or purple brown aerial stems on the top; it is hard and brittle, easy to break, round in cross section, hollow or membranous pith. The roots are slender and curved, about 1-10 cm long, most of them are hairy, with brown or purple brown surface, fine wrinkles and many small fibrous roots. It is hard and brittle, easy to break, with white section, and the center wood can be seen under the enlarged microscope. The air is weak and the taste is sweet.

② Daphne genkwa yebaiqian

The dry roots and rhizomes are similar in shape to those of Baiqian, but the buds of rhizomes and aboveground stem nodes are opposite and prominent; the roots are long and thick, about 5-20 cm long and 0.5-1 mm in diameter; the color is also lighter, often grayish yellow. The air is weak and the taste is slightly sweet.

For the above two kinds, it is better to have thick rhizome, long fibrous root, no soil and impurities.

It is mainly produced in Zhejiang and Anhui. In addition, it is also produced in Jiangsu, Hubei and Jiangxi.

[chemical constituents] it contains triterpenoid saponins, glaucogenin a, B, glaucoside A and glaucogenin-c-mono-d-the ve toside. There are triterpenoid saponins in the leaves of Daphne genkwa.

[processing] Baiqian: remove impurities, clean soil, soak slightly, remove, moisten thoroughly, cut into sections and dry in the sun. Honey Baiqian: take Baiqian tablets, mix them with honey and water, stir fry gently until all the honey is dried, it is yellow and does not stick to hands, take out and let cool. (each baiqianpian is 100kg, and honey refining is 25kg)

"Lei Gong Pao Zhi Lun" says: "before making white, soak it in raw water for one volt, then percolate it out, remove its head and beard, and bake it. It can be used in medicine. "

[flavor] sweet, slightly warm.

① Bielu: "it tastes sweet, mild and nontoxic. "

② "On medicinal properties": "taste is pungent. "

③ Collection of medicinal materials: "it tastes bitter and slightly pungent. "

[meridian tropism] entering lung meridian.

① Compendium: "hand Taiyin. "

② Ben Cao Zai Xin: "entering the liver and lung meridians. "

Functions and indications: purging the lung and Qi, descending phlegm and stopping cough. It can treat lung excess, asthma, cough, phlegm and epigastric pain.

① "Adverse chest Qi dominates cough. "

② Tang materia medica: "the main Qi rushes to the throat, and the desire to breathe is overwhelming. "

③ "Rihuazi Materia Medica" says: "qiabean is a dolphin with kidney qi, and lung qi is boring and upper Qi. "

④ "The compendium of Medical Sciences": "reducing Qi and reducing phlegm. "

⑤ Ben Cao Bei Yao: "Xie Fei. "

⑥ Fujian Chinese herbal medicine: "promoting Qi, eliminating accumulation, strengthening spleen and stomach. "

[usage and dosage] oral: decoction, 1.5 ~ 3 yuan.

[taboo] in the book of Materia Medica, it is forbidden to cough against upper Qi, cough against Qi, because of qi deficiency and Qi does not return to the original, but not because of lung qi due to evil guest. "

[prescription selection] 1. To treat chronic cough, make a sound in the throat, and do not sleep: Baiqian, pound for the end, warm wine, mix two money dagger, take it. (Mei Shi Ji Yi Fang)

② Treatment of long cough and spitting blood: white before three Liang, each two liang, licorice one or two (fried). Cut up the four ingredients, add two liters of water, boil half a liter, and take it on an empty stomach. If it's heavy, more than ten doses. Avoid pork, vegetables and woad. (Jin Xiao Fang)

③ Treatment of epigastric pain, deficiency heat pain: Baiqian and Chongyang Mugen each five money. Take it in water.

④ Treatment of malaria mother (splenomegaly): baiqianwuqian. Take it in water.

⑤ Treatment of infantile malnutrition: Baiqian, chongyangmu or Yanzhou three money each. Stewed in water.

⑥ Treatment of traumatic hypochondriac pain: Baiqian five money, three money, one money. Take it in water. (3) Fujian Chinese herbal medicine is published in the following formula

Chinese PinYin : Bai Qian