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Betula pendula, commonly known as silver birch, warty birch, European white birch, [2] or East Asian white birch, [3] 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. Its range extends into Siberia, China, and southwest Asia in the mountains of ...
Betula papyrifera (paper birch, [5] also known as (American) white birch [5] and canoe birch [5]) is a short-lived species of birch native to northern North America. Paper birch is named after the tree's thin white bark, which often peels in paper -like layers from the trunk.
It is found in the bark of several species of plants, principally the white birch (Betula pubescens) [2] from which it gets its name, same as the bracket fungus Fomitopsis betulina, but also the ber tree (Ziziphus mauritiana), selfheal (Prunella vulgaris), the tropical carnivorous plants Triphyophyllum peltatum and Ancistrocladus heyneanus ...
Birch sap has to be collected in early spring before any green leaves have appeared, as in late spring it becomes bitter. The collection period is only about a month per year. No published evidence exists to quantify the long-term impacts of sap harvest on birch tree and birch forest health, or birch timber quality. [2]
Birch triterpenes, sold under the brand name Filsuvez, is an extract of birch bark used as a topical medication for the treatment of epidermolysis bullosa. [ 1 ] [ 3 ] The active ingredients are triterpenes extracted from the outer bark of silver birch ( Betula pendula ) and downy birch ( Betula pubescens ).
The birch is New Hampshire's state tree and the national tree of Finland and Russia. The yellow birch is the official tree of the province of Quebec (Canada). The birch is a very important element in Russian culture and represents the grace, strength, tenderness and natural beauty of Russian women as well as the closeness to nature of the ...
Betula pubescens is commonly known as downy birch, with other common names including moor birch, white birch, European white birch or hairy birch. [3] It is a deciduous tree growing to 10 to 20 m (33 to 66 ft) tall (rarely to 27 m), with a slender crown and a trunk up to 70 cm (28 in) (exceptionally 1 m) in diameter, with smooth but dull grey ...
A Russian birch bark letter from the 14th century Birchbark shoes. Birch bark or birchbark is the bark of several Eurasian and North American birch trees of the genus Betula.. The strong and water-resistant cardboard-like bark can be easily cut, bent, and sewn, which has made it a valuable building, crafting, and writing material, since pre-historic times.