| betula | European white birch, bark and leaves of Betula alba (family Betulaceae); native to Europe, northern Asia, and North America, north of Pennsylvania. It contains betulin (betula camphor), betuloresinic acid, volatile oil, saponins, betulol (sesquiterpine alcohol), apigenin, dimethyl ether, betuloside, gaultherin, methyl salicylate, and ascorbic acid; has odour of wintergreen and is used as a pharmaceutic aid (flavor/aromatic). (05 Mar 2000) |
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| betula oil | Oil of sweet birch, a volatile oil obtained by distillation from the bark of Betula lenta (sweet birch); used as a flavoring agent and as a counterirritant liniment. See: methyl salicylate. (05 Mar 2000) |
Synonyms :
Synonyms : Carpinus, Hop Hornbeam, Ostryopsis
| Betula |
a genus of trees of the family Betulaceae (such as birches)
Ãâó: wordnet.princeton.edu/perl/webwn
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| Betula |
Birch is the name of any tree of the genus Betula, in the family Betulaceae, closely related to the beech/oak family, Fagaceae. These are generally small to medium-size trees or shrubs, mostly of northern temperate climates. The simple leaves may be toothed or lobed. The fruit is a small samara, although the wings may be obscure in some species. ...
Ãâó: en.wikipedia.org/wiki/Betula
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| betula o. |
methyl salicylate.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| betula verrucosa |
The scientific name for the European white birch tree. European white birch pollen, abbreviated Bet by the World Health Organization, contains allergens that cause allergies in the spring in the northern hemisphere.
Ãâó:
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| betula verrucosa |
De ruwe berk (Betula verucosa ook wel B. pendula) is een boom die van oorsprong voorkomt in de Benelux.De ruwe berk en de zachte berk zijn spontaan met elkaar gaan kruisen, hierdoor is het moeilijk om zuivere vormen te vinden. Deze berk komt het meeste voor en is in het hele land te vinden. Hij wordt tot 20 m hoog. De oudere stambasis vertoont over het algemeen barsten. De twijgen zijn meestal overhangend. De bladeren worden 3 tot 7 cm lang, eirond tot ruitvormig, spits en kaal. ...
Ãâó: nl.wikipedia.org/wiki/Betula_verrucosa
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| betula | a genus of trees of the family Betulaceae (such as birches) |
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| betula | tree of eastern North America with thin lustrous yellow or gray bark |
| betula | small American birch with peeling white bark often worked into e.g. baskets or toy canoes |
| betula | birch of western United States resembling the paper birch but having brownish bark |
| betula | small shrub of colder parts of North America and Greenland |
| betula | common birch of the eastern United States having spicy brown bark yielding a volatile oil and hard dark wood used for furniture |
| betula | tree of eastern North America with thin lustrous yellow or gray bark |
| betula | Alaskan birch with white to pale brown bark |
| betula | birch of swamps and river bottoms throughout the eastern United States having reddish-brown bark |
| betula | small American birch with peeling white bark often worked into e.g. baskets or toy canoes |
| betula | European birch with silvery white peeling bark and markedly drooping branches |
| betula | medium-sized birch of eastern North America having white or pale gray bark and valueless wood |
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