Sabtu, 22 Mei 2010

Witch Hazel and Astringent

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.

They are deciduous shrubs or (rarely) small trees growing to 3–8 m tall, rarely to 12 m tall. The leaves 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 fruit"; its fruit, flowers, and next year's leaf buds all appear on the branch simultaneously, a rarity among trees. H. virginiana flowers in the fall of the year. The flowers of the other species are produced on the leafless stems in winter, thus one alternative name for the plant, "Winterbloom". Each flower has four slender strap-shaped petals 1–2 cm long, pale to dark yellow, orange, or red. The fruit is a two-part capsule 1 cm long, containing a single 5 mm glossy black seed in each of the two parts; the capsule splits explosively at maturity in the autumn about 8 months after flowering, ejecting the seeds with sufficient force to fly for distances of up to 10 m, thus another alternative name "Snapping Hazel".

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 insect bites. Witch-hazel helps to shrink and contract blood vessels back to normal size, hence its use as 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. It is also used in treating acne.


Source : http://en.wikipedia.org/wiki/Witch-hazel

See Also : Flower Sydney, Flowers Philippines, Flowers Jamaica

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