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Witch-hazel - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Witch-hazel

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Witch-hazel (Hamamelis) is a genus of flowering in the Witch-hazel family , with two species in North America (H. virginiana and H. vernalis), and one each in Japan (H. japonica) and China (H. mollis).

They are or (rarely) small growing to 3-8 m tall, rarely to 12 m tall. The are alternately arranged, oval, 4-16 cm long and 3-11 cm broad, with a smooth or wavy margin. The horticultural name means "together with "; its fruit, , and next year's buds all appear on the branch simultaneously, a rarity among trees. [1] The flowers are sometimes produced on the leafless stems in winter, thus one alternative name for the , "Winterbloom". [1] Each has four slender strap-shaped 1-2 cm long, pale to dark yellow, orange, or red. The fruit is a two-part 1 cm long, containing a single 5 mm glossy black in each of the two parts; the capsule splits explosively at maturity in the autumn about 8 months after flowering, ejecting the with sufficient force to fly for distances of up to 10 m, thus another alternative name "Snapping Hazel". [1] Scientific classification Kingdom: Plantae Hamamelis species are used as food plants by the larvae of Division: Magnoliophyta some species including Feathered Thorn. Class: Magnoliopsida The name Witch has its origins in Middle English wiche, from Order: the Old English wice, meaning "pliant" or "bendable". Hazel is Family: Hamamelidaceae derived from the use of the twigs as divining rods, just as hazel Genus: Hamamelis twigs were used in England. Gronov. ex L. Species The Persian Ironwood, a closely related formerly treated as Hamamelis persica, is now given a genus of its own, as , as it differs in the flowers not having petals. Other closely allied genera are Parrotiopsis, Fothergilla and Sycopsis (see under Hamamelidaceae). Witch-hazels are not Hamamelis virginiana closely related to the hazels.

Cultivation and uses

They are popular ornamental plants, grown for their clusters of rich yellow to orange-red flowers which begin to expand in the autumn as or slightly before the leaves fall, and continue throughout the winter.

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Numerous have been selected for use as garden shrubs, many of them derived from the hybrid H. × intermedia Rehder (H. japonica × H. mollis).

The bark and leaves are astringent; the extract, also referred to as witch hazel, is used medicinally. Extracts from its bark and leaves are used in aftershave lotions and lotions for treating bruises and bites. Witch-hazel is the active ingredient in many hemorrhoid medications. It is also a common treatment for postpartum tearing of the perineum. The seeds contain a quantity of oil and are edible. References

1. ^ a b c http://www.witchhazel.com/about.htm Dickinson's Witch Hazel Flora of China: Hamamelis (http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=114541) Flora of North America: Hamamelis (http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=114541) Huxley, A., ed. (1992). New RHS Dictionary of Gardening. Macmillan.

Close up of Hamamelis Hamamelis in Fürth Flowering Hamamelis Hamamelis × sp. flowers, Menai City Park (Germany), in the Colonial Park intermedia (H. Bridge, Wales. 2004-02-08. Arboretum and japonica × H. mollis) Gardens.

H. japonica H. Moliis tree in the H. Moliis in the H. Moliis leaves in the Autumn Autumn Autumn

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Retrieved from "http://en.wikipedia.org/wiki/Witch-hazel" Categories: Saxifragales | Medicinal plants

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