birch tree in tamil name
Types of Trees in India with Pictures and Names: Here are the top 25 types of trees list that you may have most definitely noticed. Sometimes in English and other languages, there is more than one common name for a species.
Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox.  Birch dieback disease can affect planted trees, while naturally regenerated trees seem less susceptible.
 Leafy, fragrant boughs of silver birch (called vihta or vasta) are used to gently beat oneself in the Finnish sauna culture.  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. The silver birch is a medium-sized deciduous tree that owes its common name to the white peeling bark on the trunk. Yet, downy birches are characterised by hairy leaves and young shoots, whereas the same parts on silver birch are hairless.
Updates? The foliage is a pale to medium green and turns yellow early in the autumn before the leaves fall.
 Its tolerance to pollution make it suitable for planting in industrial areas and exposed sites. It is sometimes used as a pioneer and nurse tree elsewhere.
Bog birch (B. glandulosa) of North America, also called tundra dwarf birch or resin birch, and dwarf birch, or dwarf Arctic birch (B. nana), native to most far northern areas of the world, are small alpine and tundra shrubs commonly known as ground birch. , Several varieties of B. pendula are no longer accepted, including B. pendula var. Betula pendula, commonly known as silver birch, warty birch, European white birch, or East Asian white birch, is a species of tree in the family Betulaceae, native to Europe and parts of Asia, though in southern Europe, it is only found at higher altitudes. In terms of genetic structure, the trees are quite different, but do, however, occasionally hybridise.
Normally the proportion of xylem to leaves supplied by that xylem is greater in plants growing in dry habitats than in plants found in wet ones and may be as much as 700 times greater in certain desert plants than…, The birch zone extends from 3,000 to 3,900 feet (900 to 1,200 metres) above sea level, above which there is a willow belt that includes dwarf birch.…, In birches, for example, the leaf perceives the day-length “signal” and transmits inhibitory materials to the apex, thus bringing growth to a stop and inducing the formation of a resting bud. The name bog birch is applied to a species of buckthorn, as well as to B. glandulosa. They grow best in full sun planted in deep, well-drained soil.. The dormancy hormone, abscisic acid, may be concerned in this response and also in stomata…. Old trees are often killed by the decay fungus Piptoporus betulinus and fallen branches rot rapidly on the forest floor.
A few natural hybrids between trees and shrubs of the genus Betula are cultivated as ornamentals in Europe and North America. On older trunks the thick, deeply furrowed bark breaks into irregular plates. Corrections?
The thin, water-impervious bark provided roofing, canoes, and shoes for North American Indians and early settlers. The White birch is the official arboreal emblem of …
 Historically, the bark was used for tanning. Return to our Trees of Canada resource here: Woodsmen rely on the ability of yellow and paper birch bark to burn even when wet.
They are usually bright green, turning yellow in autumn. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Get exclusive access to content from our 1768 First Edition with your subscription. Birch forest biomes are quite hilly, featuring a vast amount of only birch trees across the landscape. Flowering plants often found in birch woods include primrose (Primula vulgaris), violet (Viola riviniana), bluebell (Hyacinthoides non-scripta), wood anemone (Anemone nemorosa), and wood sorrel (Oxalis acetosella).
For the racehorse, see, CS1 maint: multiple names: authors list (, Last edited on 14 September 2020, at 16:35, 10.2305/IUCN.UK.2014-3.RLTS.T62535A3115662.en.
European white birch (Betula pendula).
 Birds found in birch woodland include the chaffinch, tree pipit, willow warbler, nightingale, robin, woodcock, redpoll, and green woodpecker.  It has been introduced into North America, where it is known as the European white birch, and is considered invasive in the states of Kentucky, Maryland, Washington, and Wisconsin.  In addition to mycorrhiza, the presence of microfauna in the soil assists the growth of the tree, as it enhances the mobilization of nutrients.
, The leaves have short, slender stalks and are 3 to 7 cm (1.2 to 2.8 in) long, triangular with broad, untoothed, wedge-shaped bases, slender pointed tips, and coarsely double-toothed, serrated margins.
The Japanese monarch birch (B. maximowicziana) is a valuable timber tree of Japan, especially in the plywood industry.
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. Our editors will review what you’ve submitted and determine whether to revise the article.  The removal of bark was at one time so widespread that Carl Linnaeus expressed his concern for the survival of the woodlands.
The flowers are catkins and the light, winged seeds get widely scattered by the wind. The bark remains smooth until the tree gets quite large, but in older trees, the bark thickens, becoming irregular, dark, and rugged.
This applies particularly to acidic or nutrient-poor soils.
French name: Bouleau à papier.
Description . White birch is sometimes called canoe birch as the bark can be used to make canoes. Zone 0 covers the harshest areas in Canada for plant species.
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