Hazelnut-leaved birch

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Hazelnut-leaved birch
Systematics
Rosids
Eurosiden I
Order : Beech-like (Fagales)
Family : Birch family (Betulaceae)
Genre : Birch trees ( betula )
Type : Hazelnut-leaved birch
Scientific name
Betula corylifolia
Rule & Maxim.

The Haselnussblättrige birch ( Betula corylifolia ) is a medium sized deciduous tree of the genus Birken in the family of birch family (Betulaceae). The distribution area is in Japan.

description

The hazelnut-leaved birch is a tree up to 20 meters high with gray or whitish bark . Young shoots are reddish to dark purple in color, glabrous or almost glabrous. The leaves are elliptical to ovate, 4 to 6 inches long with a roughly double-sawn edge with long triangular teeth. The upper side of the leaf is vivid green, the underside bluish green. 8 to 9 pairs of nerves are formed per leaf, which are sunk on the upper side of the leaf. The petiole is 1 to 3 inches long. As female inflorescences 3 to 5 centimeters long, almost cylindrical, upright catkins are formed. The fruit scales are hairy downy, 1.2 to 1.5 inches long with very narrow, upright lobes.

Distribution and ecology

The distribution area is on Honshū in Japan. There it grows in mountain forests or the shrub zone of alpine areas on fresh to moist, acidic to neutral, sandy-humus, sandy-gravelly or rocky, shallow soils in sunny locations. The species likes warmth and is not very frost hardy.

Systematics and research history

The Haselnussblättrige birch ( Betula corylifolia ) is a kind of the genus of birch ( Betula ) in the family of birch family (Betulaceae). It was first described in 1865 by Eduard August von Regel and Karl Johann Maximowicz in the Bulletin de la Société Imperiale des Naturalistes de Moscou. Moscow .

use

The species is rarely used economically.

proof

literature

  • Andreas Roloff , Andreas Bärtels: Flora of the woods. Purpose, properties and use. With a winter key from Bernd Schulz. 3rd, corrected edition. Eugen Ulmer, Stuttgart (Hohenheim) 2008, ISBN 978-3-8001-5614-6 , p. 137.

Individual evidence

  1. ↑ German name after Roloff et al .: Flora der Gehölze , p. 137
  2. ↑ a b c Roloff et al .: Flora of the Woods , p. 137
  3. ↑ a b Betula corylifolia. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed December 28, 2011 .

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