26
May
2009
Hypericum perforatum L. - hay, pojarnei
Green Pharmacy | Flowers | Magnoliopsida
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Scientific name - Hypericum perforatum L.

Popular names - Call, Pojarnei, Orbancfu, Echtes Johanneskraut, iperico, goatweed, Klamath weed, St.. John's Wort.

Distribution and Habitat - originating in Western Europe, Asia and North Africa but naturalized in all temperate regions of the globe. Increase the plains, meadows and along roads.

Description - herbaceous perennial plant, 30 - 100 cm tall. Stem cylindrical, with two edges, bark, woody at the base, branched, reddish. Leaves opposite, oblong-lanceolata, top acute-round basis acuminata, margins entire, Revol, Sesia, 1.5-4 cm long, on both sides with black spots. Flowers numerous grouped corymb terminal, calyx with 5 linear sepa-lanceolata, acute, or acuminata, 4-6 mm long; Corola dialipetathe symmetric actinomorfa, 5 petals Yellow, obovata-cuneata, 8-12 mm long, stamens numerous, 15 to 100, ovary superior. Blooms from May to August. Frcut capsule, 7-8 mm long. Seeds cylindrical or elliptical, slightly curved, 1-1.2 x 0.5-0.6 mm, shiny surface, brown - black. 2n = 32.

Growth rate - slowly.

Tolerances - tolerate temperatures (-10) - (-15) ˚ C.

Requirements - prefer exhibitions sunny or semi-shade, well drained soils.

Management --

Propagation - the seeds fall. The seedlings, in May-June, is available to rooted in sand and peat substrate made sin, 1:1. In nature, is multiplied by runners.

Pests and diseases - rust attacks the leaves causing yellow spots.

Natural partners and Garden --

Cultivars and varieties --

Properties and UtiliZari - flowering aerial parts, contain tannins. Inflorescences are harvested from August to September and dry in the shade in well-ventilated.

St. John's wort extracts on their antidepressant action, Hypericin inhibits monoamine oxidase, which plays a role in the inactivation of adrenaline and serotonin.

St. John's Wort has antidepressant properties, antibacterial, anti-inflammatory, antiviral, astringent, hepatoprotective and sedatives. Domestic colitis is recommended in depressive or endogenous. Externally, has healing properties and disinfected purulent wounds and burns. Hypericin is active against the development and viruses such as hepatitis A and B, influenza A, B, and C, and rubella.

Intern - infusion of 2 teaspoons to one cup of water, Drink 2-3 cups a day.

External - 2 tablespoons of herb to one cup water.

St. John's Wort preparations may cause stomach problems, so it should not be drinking the stomachyour goals. Not recommended during pregnancy, with abortifacient properties.

St. John's wort can interfere with Valerian, Piper methysticum, Scutellaria laterifolia.

Myth, legend and folklore - Indians Menomine using Hypericum perforatum L. mixed with root of Rubus occidentalis in hot water for tuberculosis, as a diuretic, and against intestinal worms.

References

Hej Atta-ur-Rahman - Studies in Natural Product Chemestry - Elsevier Science, 2000

James A. Duke - The Green Pharmacy Herbal Handbook - Roda Books, 2000

Stubbendieck James, Stephan L. Hatch, LM Landholt - North American Wildland Plants - University of Nebraska Press, 2004

Leland J. Cseke, Ara Kirakosyan, Peter B. Kaufman, Sara Warber, James A. Duke, Harry L. Brielmann - Natural Products from Plants - CRC, 2006

Ruth Trickey - Women, Hormones & the Menstrual Cycle - Allen & Unwin, 2004

Virginia Lanzotti, Orazio tagliatelle scafati - Flavor and Fragrance Chemestry - Springer, 2000

Vit Bojnansky, Agata Fargasova - Atlas of Seeds and Fruits of Central and East-European Flora - Springer, 2007

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