Introduction of Ai Ye:Argyi Leaf,Argyi Wormwood Leaf or Folium Artemisiae Argyi.

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Argyi Leaf, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Artemisia argyi Levl .et Vant., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Argyi Leaf, its pharmacological actions, medicinal efficacy, and administration guide.

Folium Artemisiae Argyi(Argyi Leaf,Argyi Wormwood Leaf).

Folium Artemisiae Argyi Pin Yin Name: ài Yè.
 English Name: Argyi Leaf,Argyi Wormwood Leaf.
 Latin Name: Folium Artemisiae Argyi.
 Property and flavor: warm, pungent, bitter.

 Brief introduction: The herb Folium Artemisiae Argyi is the dried leaf of Artemisia argyi Vant., used to warm the uterus and stop bleeding in cases of functional uterine bleeding, sterility, and dysmenorrhea. The herb is commonly known as Argy Wormwood Leaf, Ai Ye, Aiye, Argyi Leaf, Chinese mugwort leaf, Folium Artemisiae Argyi, Artemesia, ARTEMISIA ARGYI, Artemisia leaf, Artemisiae Argyi Folium, Chinese mugwort leaf, dried leaf of artemisia, or ài Yè.

 Artemisia argyi Levl .et Vant.:growing plants Botanical source: Herbal classic book defined the herb Folium Artemisiae Argyi (Argyi Leaf, Argyi Wormwood Leaf) as the dried leaf of (1). Artemisia argyi Vant. It is a plant of the Artemisia Linn. Genus, the Asteraceae family (Compositae, daisy family), Campanulales order. This commonly used species is introduced:

(1).Artemisia argyi Levl .et Vant.

 Artemisia argyi Levl .et Vant.:drawing of plant leaf and fruits Botanical description: It is commonly known as ài, or ài Yè. Perennial herbs or slightly subshrubby, plants are strongly aromatic. Taproots are conspicuous, slightly stout, up to 1.5 cm in diameter, lateral roots are numerous; Often recumbent underground rhizome and vegetative branches. Stems are solitary or few, 80~150~250 cm high, with distinct longitudinal ribs, brown or grayish-brown, base is slightly woody, upper part is grassy, with a few short branches, branches are 3~5 cm long. Stem, branch is covered with gray spider silk pilose. Leaf is thick paper, the uppersurface is gray-white pubescent, and have white glandular point and small concave point, the backsurface is closely covered with gray-white spider silk dense villi; Basal leaves are with long stalks, florescence fading; The lower leaves of the stem are nearly round or broadly ovate, pinnate and deeply lobed, with 2-3 lobes on each side, the lobes are elliptic or obovate-oblong, each lobe has 2~3 small lobed teeth, the main and lateral veins on the back of the stem are mostly dark brown or rust-colored, the petiole is 0.5~0.8 cm long. Middle lobe is ovate, triangular-ovate or nearly rhomboid, 5~8 cm long, 4~7 cm wide, one (or two) back to pinnate torn to deep crack, each side has 2~3 lobes, lobes are ovate, ovoid, lanceolate to lanceolate, 2.5~5 cm long, 1.5~2 cm wide, no longer divided or with 1 or 2 pieces of missing teeth on each side, leaf base is broadly cuneate gradually narrow into short shank, veins, in the bulge on the back, when rusted, petiole 0.2~0.5 cm, base is usually without the leaf or with tiny leaf; Upper leaves and bracts are pinnately cleft, lobed or 3-lobed, or do not divide, but elliptic, oblong-lanceolate, lanceolate or linear-lanceolate.

 Artemisia argyi Levl .et Vant.:growing plants Inflorescence is elliptic, 2.5~3.5 mm in diameter, sessile or subsessile, each several to more than 10 arranged in a small spike or compound spike on the branches, and usually again in a narrow, spikelike panicle on the stem, the flower head downward sloping; Involucral bracts have 3~4 layers, imbricate arranged, outer involucral bracts are small, grassy, ovate or narrowly ovate, abaxially densely whitish arachnoidal woolly, margin is membranous, middle involucral bracts are longer than outer, long ovate, abaxially arachnoidal woolly, inner involucral bracts are thin, abaxially subglabrous; Inflorescence receptacle is small; 6~10 female flowers, corolla is narrowly tubular, eaves are 2-lobed, purple, style is elongated, corolla outspread very long, apex is 2-forked; 8~12 bisexual flowers, corolla is tubular or tall cupped, glandular outside, eaves are purplish, anthers are narrowly linear, apex appendage is pointed, long triangular, base with inconspicuous small tips, style is subequal or slightly longer than corolla, apex 2-furcate, posterior curving outward, forked tip truncate, with eyelashes. Achene is long ovate or oblong. Flower period: July to October.

 Artemisia argyi Levl .et Vant.:collected fresh leaves Ecological environment: The plant is found in wasteland, roadsides, rivers and hillsides from low to medium elevations. It is also found in forest-steppe and grassland areas. Ai is easy to reproduce and grow and has strong adaptability to climate and soil. It is resistant to cold and drought, and prefers warm and humid climate. It is better to grow in moist and fertile soil. Artificial cultivation in hilly and low-mountain areas, the temperature suitable for growth is 24~30 °C (Celsius, or 75.2~86 degrees Fahrenheit), when the temperature is higher than 30 °C (Celsius, or 86 degrees Fahrenheit), the stem is easy to aging, branch pumping, diseases, and insect pests increase. When the temperature in winter is lower than -3 °C (Celsius, or 26.6 degrees Fahrenheit), the perennial roots do not grow well.

 Distribution range: The plant is widely distributed in China, in addition to the extremely dry and cold areas, almost throughout China. The plant also is distributed in the north area of Asia and Siberia.

 Growth characteristics: The plant Artemisia argyi prefers a warm and humid climate, tolerant to drought and shade. Loose, fertile, and humus rich loam is appropriate for cultivation.

 Argyi Leaf:herb photo Characters of herbs: The leaves of the herb are mostly shriveled and broken, with short stalks. After flattening, the intact leaves are egg-oval, pinnately cleft, the lobes are oval-lanceolate, the edges have irregular rough and wide serrations, the upper surface is grayish-green or deep yellow-green, with sparse pilose and glandular spots, and the undersurface is densely covered with grayish-white fluff. The texture of the herb is soft, it has a fragrant odor and bitter taste. The herb of better grade has thick leaves, green color, the undersurface is grayish-white, with many fluff hairs, the texture is soft, strong aromatic fragrance.

 Pharmacological actions: ①.prolong the thromboplastin time, prothrombin time and thrombin time in rabbit plasma, promote fibrinolysis, and excite rabbit uterus in vitro; ②.shorten the coagulation time; ③.inhibit platelet aggregation; ④.antiasthmatic, antitussive, expectorant effects; ⑤.anti-allergy effect; ⑥.inhibitory effect on a variety of pathogenic bacteria, fungi, and viruses; ⑦.cardiac stimulant, sedative, choleric and other effects.

 Medicinal efficacy: Regulate Qi and blood, dispel cold and dampness, warming meridians, hemostasis (stanch bleeding), miscarriage prevention, disperse cold and relieve pain, clearing damp and relieve itching. It is indicated for the treatment of abdominal cold pain, diarrhea and spasm or convulsion, protracted dysentery, choleraic myospasm, hematemesis (vomiting blood), epistaxis, hematochezia, hemafecia (blood in the stool), irregular menstruation, uterine bleeding, morbid leukorrhea,  bleeding in pregnancy, threatened abortion, dysmenorrhea (abdominal pain in menses), eczema, carbuncle, hemorrhoids, scabies, etc.

 Administration of Folium Artemisiae Argyi (ài Yè): 
Reference: Administration Guide of Folium Artemisiae Argyi (ài Yè)
TCM Books: ①.Internally:water decoction,1~3 qian (about 3~9 grams), or prepare to pill, powder. Externally:mashed into fine hair and moxa stick for moxibustion practice, mashed and apply stick, fumigation wash with water decoction, or fried and iron warmly; ②.Internally:water decoction, 3~10 grams, or prepared to pill, powder, or extract juice. Externally:proper amount, mashed into fine hair and moxa stick for moxibustion practice, mashed and apply stick, fumigation wash with water decoction, or fried and iron warmly.

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