Japanese hop beech

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Japanese hop beech
Systematics
Eurosiden I
Order : Beech-like (Fagales)
Family : Birch family (Betulaceae)
Subfamily : Hazelnut family (Coryloideae)
Genre : Hop beech ( Ostrya )
Type : Japanese hop beech
Scientific name
Ostrya japonica
Coffin.

The Japanese hop beech ( Ostrya japonica ) is a small tree of the genus hop beech from the subfamily of the hazelnut family ( Coryloideae ). The natural range of the species is in Japan, Korea and China. The wood is sometimes used to make furniture and as lumber.

description

The Japanese hop beech is an up to 20 meters high, broad-crowned tree with dark gray bark . Young twigs are densely hairy gray-brown and later bald. The leaves have a 1.0 to 1.5 centimeter long, densely hairy stem. The leaf blade is 3.5 to 12 inches long and 1.5 to 5.5 inches wide, ovate to ovate-lanceolate, long pointed, has a rounded, heart-shaped, oblique heart-shaped or broadly wedge base and an irregular, double-serrated edge. Ten to fifteen pairs of nerves are formed at a distance of 5 to 10 millimeters. The upper side of the leaf is finely hairy, especially along the central vein, the underside is densely hairy, balding and has axillary beards.

The female inflorescences are 1.5 to 2.5 centimeters long grapes with a 2.0 to 2.5 centimeter long, densely hairy inflorescence axis. The bracts are overlapping, 1 to 2 centimeters long, 6 to 12 millimeters wide, sack-shaped, obovate-oblong or elliptical, reticulate, membranous, balding, acuminate and have a bristly hairy, stemless base. The fruits are light brown, narrowly egg-shaped, 6 to 7 millimeters long, shiny, bald and ribbed nuts . The Japanese beech trees bloom from May to July, the fruits ripen from July to September.

Occurrence and location requirements

The natural range is in Japan on Hokkaidō , Honshū , Kyushu and Shikoku , on the Korean Peninsula and in China in the south of the Gansu province , in Hebei , Henan , Hubei , Shaanxi and in the west of Sichuan . The Japanese hop beech grows in temperate forests at altitudes of 1000 to 2800 meters on fresh, weakly acidic to weakly alkaline, sandy-loamy to loamy, nutrient-rich soils in sunny to light-shady locations. The species loves warmth and is usually frost hardy .

Systematics

The Japanese hop beech ( Ostrya japonica ) is a species from the genus of the hop beech ( Ostrya ). This is in the family of birch plants of the subfamily (Betulaceae) coryloideae assigned (Coryloideae). The species was first scientifically described in 1893 by Charles Sprague Sargent . The generic name Ostrya comes from Latin and was already used by the Romans for the hop beech. The specific epithet japonica refers to the distribution area Japan.

use

The wood of the Japanese hop beech is hard and shiny. It is used as lumber and to make furniture.

proof

literature

  • Wu Zheng-yi, Peter H. Raven (Ed.): Flora of China . Volume 4: Cycadaceae through Fagaceae . Science Press / Missouri Botanical Garden Press, Beijing / St. Louis 1999, ISBN 0-915279-70-3 , pp. 300 (English).
  • 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. 435.
  • Jost Fitschen: Woody flora . 12th, revised and expanded edition. Quelle & Meyer, Wiebelsheim 2007, ISBN 3-494-01422-1 , p. 619 .
  • Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Nikol, Hamburg 2005, ISBN 3-937872-16-7 (reprint from 1996).

Individual evidence

  1. ↑ German name after Roloff et al .: Flora der Gehölze , p. 435 and after Fitschen: Gehölzflora , p. 619.
  2. ↑ a b c d Pei-chun Li, Alexei K. Skvortsov: Ostrya japonica , in the Flora of China , Volume 4, p. 300.
  3. ↑ a b c Roloff et al .: Flora of the Woods , pp. 435–436
  4. ↑ a b c Ostrya japonica. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed June 1, 2012 .
  5. ↑ Exactly: Etymological Dictionary of Botanical Plant Names, pp. 446–447.
  6. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 313.

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