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Botanical Name :Betula pendula/Betula alba
Genus: Betula Subgenus: Betula. Species: B. pendula
Synonyms include Betula pendula var. carelica (Merckl.) Hämet-Ahti, B. pendula var. laciniata (Wahlenb.) Tidestr., B. pendula var. lapponica (Lindq.) Hämet-Ahti, B. aetnensis Raf., B. montana V.N.Vassil, B. talassica Poljakov, B. verrucosa Ehrh., B. verrucosa var. lapponica Lindq., and B. fontqueri Rothm. The rejected name Betula alba L. also applied in part to B. pendula, though also to B. pubescens. Silver Birch has also sometimes been called Weeping Birch or European Weeping Birch
Habitat : Betula pendula (silver birch) is a widespread European birch, though in southern Europe it is only found at higher altitudes. Its range extends into southwest Asia in the mountains of northern Turkey and the Caucasus. The closely related Betula platyphylla in northern Asia and Betula szechuanica of central Asia are also treated as varieties of silver birch by some botanists, as B. pendula var. platyphylla and B. pendula va.r. szechuanica respectively
It is a medium-sized deciduous tree, typically reaching 15–25 metres (49–82 ft) tall (exceptionally up to 39 metres (128 ft)), with a slender trunk usually under 40 centimetres (16 in) diameter, but exceptionally to 1 metre (3.3 ft) diameter, and a crown of arched branches with drooping branchlets. The bark is white, often with black diamond-shaped marks or larger patches, particularly at the base. The shoots are rough with small warts, and hairless, and the leaves 3–7 centimetres (1.2–2.8 in) long, triangular with a broad base and pointed tip, and coarsely double-toothed serrated margins. The flowers are wind-pollinated catkins, produced before the leaves in early spring, the small 1-2mm winged seeds ripening in late summer on pendulous, cylindrical catkins 2–4 centimetres (0.79–1.6 in) long and 7 mm broad.
It is distinguished from the related downy birch (B. pubescens, the other common European birch) in having hairless, warty shoots (hairy and without warts in downy birch), more triangular leaves with double serration on the margins (more ovoid and with single serrations in downy birch), and whiter bark often with scattered black fissures (greyer, less fissured, in downy birch). It is also distinguished cytologically, silver birch being diploid (with two sets of chromosomes), whereas downy birch is tetraploid (four sets of chromosomes). Hybrids between the two are known, but are very rare, and being triploid, are sterile. The two have differences in habitat requirements, with silver birch found mainly on dry, sandy soils, and Downy Birch more common on wet, poorly drained sites such as clay soils and peat bogs. Silver birch also demands slightly more summer warmth than does Downy birch, which is significant in the cooler parts of Europe. Many North American texts treat the two species as conspecific (and cause confusion by combining the downy birch’s alternative vernacular name ‘white birch’, with the scientific name B. pendula of the other species), but they are regarded as distinct species throughout Europe.
It commonly grows with the mycorrhizal fungus Amanita muscaria in a mutualistic relationship. This applies particularly to acidic or nutrient poor soils. Other mycorrhizal associates include Leccinum scabrum and Cantharellus cibarius. Old trees are often killed by the decay fungus Piptoporus betulinus, and the branches often have witch’s brooms caused by the fungus Taphrina betulina
Successful birch cultivation requires a climate cool enough for at least the occasional winter snowfall. As they are shallow rooted they may require water during dry periods. They grow best in full sun planted in deep, well-drained soil
Parts Used: Bark, leaves
Constituents: buds: volatile oil which includes the camphor-like betulin. young leaves: rich in saponins; also a flavonoid derivative, hyperoside resin, tannins, sesquiterpenes, betuloventic acid, vitamin c. bark: betulinol and a glycoside
* Cancer Prevention * Eczema * Kidney * Pain Relief
Properties: * Analgesic * Anti-inflammatory * AntiCancer * Aromatic * Astringent * Depurative * Febrifuge * Vermifuge
Parts Used: Bark, leaves
Birch is a natural pain reliever containing salicylate, the compound found in aspirin. Salicylate relieves the inflammation and pain associated with osteoarthritis, rheumatoid arthritis, gout, and generalized muscle pain. Salicylate deters the body’s production of certain prostaglandins that are linked to inflammation, pain, and fever among other things. An other reason birch calms arthritis and gout is it’s cleansing diuretic action that eliminates toxins and excess water. Sweet birch can have good results against cellulite.
The antibacterial and anti-inflammatory actions of birch bark support it’s traditional uses in skin disorders such as eczema. Traditional healers have long considered the leaves of the white and silver birch effective for skin rashes and hair loss. The essential oil of birch is astringent and is mainly employed for its curative effects in skin affections, especially eczema. 2The American species Betula lenta, (Sweet Birch, Cherry Birch) oil is almost identical with Wintergreen oil, but is not as toxic. Still, the methyl salicylate it contains can have harmful effects if used unwisely, and it is not for general use in aromatherapy and never to be taken internally. Birch bark and leaf in whole herb form have a much lower toxicity.
Birch bark and leaf is also used as an antibacterial diuretic in the treatment of urinary tract infections and cystitis. To increase the effect (and reduce burning) add a pinch of sodium bicarbonate (baking soda) to the infusion.
Betulin and betulinic acid, both present in birch bark display some anticancer and anti-tumor properties, 4 though neither is touted as a stand alone cure for cancer these constituents add another reason to employ birch in healing remedies and help to validate its history of use from ancient times until today.
Silver birch is often planted in parks and gardens, grown for its white bark and gracefully drooping shoots, sometimes even in warmer-than-optimum places such as Los Angeles and Sydney. In Scandinavia and other regions of northern Europe, it is grown for forest products such as lumber and pulp, as well as for aesthetic purposes and ecosystem services. It is sometimes used as a pioneer and nurse tree elsewhere. It is naturalised and locally invasive in parts of Canada. Birch brushwood is used for racecourse jumps, and the sap contains around 1% sugars and can be drunk or be brewed into a “wine”. Historically, the bark was used for tanning. Silver birch wood can make excellent timber for carving kitchen utensils such as wooden spoons and spatulas: its very mild, sweet flavour does not contaminate food, and it has an attractive pale colour. Bark can be heated and the resin collected; the resin is an excellent water proof glue and firestarter.
Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider