Introduction of Yin Chen:Virgate Wormwood Herb or Herba Artemisiae Scophariae.

TCM Herbalism:Medicinals and Classifications. ✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.

Classifications of Herbs:Herbs Clearing Heat and Drying Dampness.

 TCM Herbs Icon05 Introduction: Herbs Clearing Heat and Drying Dampness: an agent or substance bitter in taste and cold in property that is effective for eliminating heat and dampness, usually used in the treatment of diseases caused by damp-heat, such as acute jaundice, acute dysentery, urinary infection, eczema, boils and abscesses.

 
Herba Artemisiae Scophariae(Virgate Wormwood Herb).

Herba Artemisiae Scophariae Pin Yin Name: Yīn Chén.
 English Name: Virgate Wormwood Herb,Capillary Wormwood Herb.
 Latin Name: Herba Artemisiae Scophariae.
 Property and flavor: cold, bitter.

 Brief introduction: The Herb Herba Artemisiae Scophariae is the dried young shoot or flowering top of Artemisia scoparia Waldst.et Kit. Or Artemisia capillaris Thunb.(family Compositae), used to eliminate damp-heat in the liver and gallbladder for the treatment of jaundice and also for eczema. The herb is commonly known as Herba Artemisiae Scophariae, Virgate Wormwood Herb, Yīn Chén.

 Botanical source: The herb Herba Artemisiae Scophariae(Virgate Wormwood Herb) is the dried young shoot or flowering top of Artemisia scoparia Waldst.et Kit. Or Artemisia capillaris Thunb., they are plants of the Artemisia genus, the Asteraceae(Compositae) family of the Asterales order. These 2 commonly used species are introduced as:

 Artemisia capillaris Thunb 01 (1).Artemisia capillaris Thunb.:
 Botanical description: The Artemisia capillaris Thunb., is a plant of the Compositae family and Artemisia genus, it is commonly known as "Artemisia capillaris", or "Yin Chen Hao". Semi-shrub herb, the plant has a strong aroma. The main root is woody, elongated vertically or obliquely downward; the rhizome is 5~8 mm in diameter, erect, sparsely slanted up or lying, often with fine vegetative shoots. Stems solitary or a few, 40~120 cm tall or longer, reddish-brown or brown, with inconspicuous longitudinal ribs, base wood, the upper part has many branches, upwardly obliquely extending; stems, branches early dense grayish-white or grayish-yellow enamel, the pilose is sparse.

 Artemisia capillaris Thunb 02 There are dense leaf clusters at the end of the vegetative shoots, and the basal leaves are densely populated, often forming rosettes; the basal leaves, the lower leaves of the stems and the vegetative foliage are both brownish-yellow or gray-yellow enamel pilose, and the lower leaves of the stems are shed. Leaves oval or ovate-elliptic, 2~5 cm long, 1.5~3.5 cm wide, 2- to 3-pinnately lobed, 2~3~4 lobes on each side, each lobate has 3~5 full-split, small lobes narrowly linear or narrowly lanceolate, usually straight, not curved, 5~10 mm long, 0.5~2 mm wide, 3~7 mm long petiole, axillary The middle leaves are broadly ovate, suborbicular or ovoid, 2~3 cm long, 1.5~2.5 cm wide, one to two pinnately lobed, small lobes narrowly linear or silky, usually straight, not curved, 8~12 mm long, 0.3~1 mm wide, subglabrous, apically apex, base lobes often half clasped.

 Artemisia capillaris Thunb 03 Flower heads ovoid, sparsely globose, many, 1.5~2 mm in diameter, sessately. The upper end of the stem consists of a large, spreading panicle; the total bracts are 3~4 layers, the outer bracts are grassy, ​​oval or elliptical, the back is yellowish, with green ribs, glabrous, membranous, medium, The inner sepals are elliptic, submembranous or membranous; inflorescences sessile, sessile; 6~10 female flowers, corolla narrowly tubular or narrowly connate, ca. Out of the corolla, apex 2-forked forked tip sharp; 3~7 bisexual flowers, infertile, corolla tubular, anthers linear, apex appendage tip, long triangle, base blunt, style short, upper rod like, 2-lobed, not The fork is open and the degenerate ovary is tiny. Achenes are oblong or long ovate. The flowering period is from July to October.

 Growth characteristics: The plant grows on wet sandy land near river banks and coasts, along roads, and on low slopes in low elevations. It distributes in the east, central, north, northwest, southwest, Taiwan, and other areas of China. It prefers a warm and humid climate, strong adaptability. Likewise, it is advisable to cultivate sandy loam with a sunny, deep soil layer, loose and fertile soil, and good drainage.

 Characters of herbs: The stem is cylindrical, much-branched, 30~100 cm long, 2~8 mm in diameter; The surface is lavender or purple, pubescent; the fracture surface is white. Leaves are lavender or purple, pubescent; Leaves are abscising; Lower leaf 2 to 3 back pinnately completely split, base holding stem, lobes are filamentous. Inflorescence is ovate, 1.2~1.5 cm long, 1~1.2 cm in diameter, shortly pedunculate; The involucral bracts are 3-4 layers, the outer female flowers are usually 6~10, and the inner bisexual flowers are usually 2~9. Achene is oblong, yellowish-brown. The herb is fragrant, slightly bitter taste. The herb which is tender, soft, gray and white, with a strong aroma is better.

 Pharmacological actions: The decoction of Herba Artemisiae Scophariae has a remarkable choleretic effect and hepatoprotective effects. The water infusion of Herba Artemisiae Scophariae has the effect of lowering blood lipid and blood pressure, and has a certain anti-atherosclerosis effect. Herba Artemisiae Scophariae has obvious analgesic and anti-inflammatory effects. In vitro experiment, it has the effect of anti-pathogen microorganism and has a certain inhibitory effect on most bacilli and some dermatophytes, ECHO, influenza virus, and can 100% inhibit the growth of Aspergillus flavus mycelium, inhibit the production of sterigmatocystin. And can promote leukocyte division, improve the immune activity of T cells, improve the immunity of the body. The water extract of Herba Artemisiae Scophariae has an anti-tumor effect.

 Medicinal efficacy: Clear heat and dampness, clear heat and remove dampness through diuresis, and retreat jaundice. It is indicated for jaundice, oliguria, wet sore and pruritus, infectious icteric hepatitis.

 Administration of Herba Artemisiae Scophariae(Yīn Chén): 
 
Reference: Administration Guide of Herba Artemisiae Scophariae(Yīn Chén)
TCM Books: Internally:6~15 grams. Externally:proper amount, fumigation wash with water decoction(CP),Internally:water decoction, 3~5 qian(about 9~15 grams), Externally:wash with water decoction(DCTM), Internally:water decoction, 10~15 grams, or prepared to pill, powder. Externally:proper amount, wash with water decoction(CHMM).


 Artemisia scoparia Wadldst.et Kit. (2).Artemisia scoparia Wadldst.et Kit.:
 Botanical description: The Artemisia scoparia Wadldst.et Kit., is a plant of the Compositae family and Artemisia genus, it is commonly known as "Artemisia scoparia", "virgate wormwood", or "Zhu Mao Hao(Pig Hair Artemisia)". Perennial herb or nearly one or two-year-old herb; the plant has a strong aroma. The main root is single, narrowly spindle-shaped, vertical, semi-timber or lignified; rhizomes are short, erect, semi-timber or woody, often with fine vegetative branches and dense leaves on branches.

 Stems are usually solitary, 2~3 pieces thin, 40~90~130 cm high, reddish-brown or brown, with longitudinal lines; often branching from the lower part, branches 10~20 cm or longer, lower branches, The upper branches are slanted upwards; the stems and branches are grayish-white or gray-yellow enamel when they are young, and then fall off. The basal leaves and the vegetative foliage are grayish-white enamel pilose on both sides.

 Leaves nearly round, long ovate, 2- to 3-pinnately lanceolate, long-stalked, pubescent Leaves long ovate or elliptic, 1.5~3.5 cm long, 1~3 cm wide, two to three-pinnately lobed, 3~4 lobes on each side, re-pinnately lobed, lobes 1~2 pieces, small lobes narrowly linear, 3~5 mm long, 0.2~1 mm wide, no longer split or with 1~2 small cracked teeth, petiole 2~4 cm long; middle leaves initially pubescent on both sides, After detachment, the leaves are oblong or long-ovate, 1~2 cm long, 0.5~1.5 cm wide, one to two pinnately lobed, 2~3 lobes on each side, not split or re-split, small The lobes are linear or hairy, 4~8 mm long, 0.2~0.3~0.5 mm wide, and somewhat curved; the upper leaves of the stem and the upper branches of the branches and the leaves of the bracts 3~5 are completely or not.

 Artemisia scoparia Wadldst.et Kit. Flower heads subglobose, sparsely ovoid, very numerous, 1~1.5~2 mm in diameter, very shortly racemes or sessile inflorescences, and reconstituted large, spreading panicles on stalks; 3~4 sates. The middle and inner lobes are long-ovate or elliptic, semi-membranous; inflorescences small, bulging; 5~7 female flowers, corolla narrowly conical or narrowly tubular, calyx 2-locate, style linear, exserted out of the corolla, apex 2 forks, fork tip; 4~10 bisexual flowers, infertile, corolla tubular, anther linear, apex appendage tip, long triangle, short style, apex swell, 2-lobed, not dilated, degraded The ovary is not obvious. Achenes are obovate or oblong, brown. The flowering period is from July to October.

 Growth characteristics: The Artemisia scoparia grows on hillsides, wilderness, roadside, and semi-arid or sound humid areas of the hillsides, forest margins, roadside, grassland, loess plateau, and desert margins. It distributes throughout the country of China.

 Characters of herbs: The seedlings curl into closed, grayish-white or grayish-green, all the plant is covered with white fuzz, soft as velvet. The stem is fine, 1.5~2.5 cm long and 0.1~0.2 cm in diameter. After removing the white hairs on the surface, obvious longitudinal lines can be seen. The texture is brittle and easy to break. Leaves have stipitate, 1~3 cm long after flattening; Lobes are ovate or slightly oblanceolate, striate, apex acute. It smells fresh and tastes slightly bitter.
 
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References:
  • 1.Introduction of Yin Chen:Virgate Wormwood Herb or Herba Artemisiae Scophariae.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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