Argyi wormwood(Artemisia argyi)

Botanical Name : Artemisia argyi
Family: Asteraceae
Genus: Artemisia
Species: A. argyi
Kingdom: Plantae
Order: Asterales
Commopn Names:Argyi wormwood, In Japan it is known as Gaiyou and in China as Ai Ye.

Habitat :Argyi wormwood   is native to China, Japan and the far east parts of the former Soviet Union.This wormwood is a xerophile, growing on dry mountain slopes, steep river banks, the edges of oak woods, coastal scrub, wasteland and along road and railway verges. The plants do better and are more aromatic when they grow on poor dry soil.It grows on waste places, roadsides, slopes, hills, steppe and forest steppe at low elevations to 1500 metres in most areas of China.

Description:
Argyi wormwood is an upright, greyish, herbaceous perennial about one metre tall, with short branches and a creeping rhizome. The stalked leaves are ovate, deeply divided and covered in small, oil-producing glands, pubescent above and densely white tomentose below. The lower leaves are about six centimetres long, bipinnate with wide lanceolate lobes and short teeth along the margins. The upper leaves are smaller and three-partite, and the bracteal leaves are simple, linear and lanceolate. The inflorescence is a narrow leafy panicle. The individual flowers are pale yellow, tubular, and clustered in spherical turned-down heads. The central flowers are bisexual while the marginal flowers are female. The petals are narrow and folded cylindrically and the bracts have a cobwebby pubescence. The whole plant is strongly aromatic.

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Propagation:
Seed – surface sow spring in a greenhouse. Do not allow the compost to dry out. When large enough to handle, prick the seedlings out into individual pots and plant them out in early summer.

Medicinal use:
Argyi wormwood is used in herbal medicine for conditions of the liver, spleen and kidney.
Wormwood leaves are gathered on a warm dry day in spring and summer when the plant is in flower and dried in the shade. In traditional Chinese medicine, they are considered to have bitter, pungent and warm properties and to be associated with the liver, spleen and kidney meridians. The leaves are used as an antiseptic, expectorant, febrifuge and styptic.  The herb is considered to increase the blood supply to the pelvic region and stimulate menstruation, help treat infertility, dysmenorrhea, asthma and coughs. Another use is in moxibustion, a form of healing in which the herb is burned in cones or sticks or on the tip of an acupuncture needle. Boiling water can be poured onto the ground up leaves and used in a decoction, alone or with other substances, and the fresh leaf can be crushed and blended and a juice extracted. A volatile oil can be extracted from the leaves and used in the treatment of asthma and bronchitis for which purpose it is sprayed onto the back of the throat and brings rapid relief. The leaves have an antibacterial action and have been shown to be effective against Staphylococcus aureus, Bacillus dysenteriae, Bacillus subtilis, Bacillus typhi, Escherichia coli and Pseudomonas.

The leaves have been found to have an antibacterial action, effective against Staphylococcus aureus, Bacillus typhi, B. dysenteriae, E. coli, B. subtilis, Pseudomonas etc.    The leaf stalks used to treat chronic dysentery, eye disease. Seeds are used to treat sweating at night, excessive gas in the system, tuberculosis, indigestion

Research:
*Ninety six volatile constituents have been identified from the leaves of A. argyi and certain other species of wormwood including alpha-thujene, 1,8-cineole, camphor and artemisia alcohol.

*Nearly fifty volatile constituents have been identified from A. argyi flowers and it is suggested that therapeutic use of the flowers may be just as effective as using the leaves.

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*A methanol extract prepared from aerial parts of the plant strongly reduced the mutagenicity of Salmonella typhimurium.

*An extract of A. argyiwas shown to have antifungal activity against Botrytis cinerea and Alternaria alternata which cause deterioration of fruit and vegetables in storage.

*Flavones isolated from an extra of the herb were shown to have an anti-tumour effect.

*A study examined the clinical efficacy of moxibustion, analyzed the chemical compositions of the leaf of different strains of A. argyi, examined the best mode of delivery and how to enhance the therapeutic effects of this treatment.
Known Hazards : Although no reports of toxicity have been seen for this species, skin contact with some members of this genus can cause dermatitis or other allergic reactions in some people.

Disclaimer:
The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider.

Resources:
http://en.wikipedia.org/wiki/Artemisia_argyi
http://www.herbnet.com/Herb%20Uses_AB.htm
http://www.pfaf.org/user/Plant.aspx?LatinName=Artemisia%20argyi

http://www.fzrm.com/plantextracts/plantextract/artemisia%20argyi%20Levl.%20et%20Vant..htm

http://www.asiancancerherb.info/Ai.htm

http://www.pfaf.org/user/Plant.aspx?LatinName=Artemisia+argyi

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