Turczaninow's hornbeam
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Turczaninow's hornbeam ( Carpinus turczaninowii ) |
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| Carpinus turczaninowii | ||||||||||||
| Hance |
Turczaninow's hornbeam ( Carpinus turczaninowii ) is a small tree from the subfamily of the hazelnut family ( Coryloideae ). The natural range of the species is in Japan, Korea and China. The wood is used to make agricultural implements and furniture. It is named after Nikolai Turchaninov .
description
Turczaninow's hornbeam is a 10 to 15 meter high tree with dark gray bark . The twigs are gray-brown, thin, hairy at first and later balding. The leaves have a 4 to 10 millimeter long, sparsely downy hairy stem. The stipules are linear and remain until the leaves fall off. The leaf blade is 2 to 6 inches long and 1.3 to 4 inches wide, ovate, broadly ovate, ovate-elliptical or ovate-rhombic, rarely ovate-lanceolate, pointed or pointed long, with more or less rounded or broadly wedge-shaped, rarely more or less heart-shaped or wedge-shaped base and a regular or irregular double-sawn edge, less often single-sawn. Eight to twelve pairs of nerves are formed. The upper side of the leaf is bald or sparsely shaggy hairy along the central vein, the underside is sparsely shaggy hairy along the leaf veins and shows armpit whiskers.
The female inflorescences are 3 to 6 inches long. The bracts are 6 to 20 millimeters long, 4 to 10 millimeters wide, half-egg-shaped, half-oblong or wide-half-egg-shaped, sparsely downy hairy, pointed, long acuminate or blunt. The outer leaf margin is irregularly serrated, sometimes lobed, the inner part is entire or narrow, finely serrated, with 2 to 3 millimeters long, curled lobes at the base. Five leaf veins are formed, the reticulated veins are protruding. The fruits are about 3 millimeters long and 2 millimeters wide, with the exception of the sparsely shaggy hairy tip, bald and clearly ribbed nuts that can be resinous. Turczaninow's hornbeam flowers from May to July, the fruits ripen from July to September.
The number of chromosomes is 2n = 16.
Occurrence and location requirements
The natural range is in Japan on Honshū , Kyushu and Shikoku ; on the Korean Peninsula and in China in Beijing , in the south of Gansu Province , in Henan and Jiangsu , in the south of Liaoning , in Shaanxi and Shandong . Turczaninow's hornbeam grows in dry forests of the temperate zone at heights of 500 to 2400 meters on moderately dry to fresh, slightly acidic to alkaline, sandy-loamy to loamy, nutrient-rich soils in sunny to partially shaded locations. The species loves warmth and is usually frost hardy . It is assigned to winter hardiness zone 5a with mean annual minimum temperatures of −28.8 to −26.1 ° C (−20 to −15 ° F).
Systematics
Turczaninow's hornbeam ( Carpinus turczaninowii also written as Carpinus turczaninovii ) is a species from the genus of hornbeams ( Carpinus ). This is in the family of birch plants of the subfamily (Betulaceae) coryloideae assigned (Coryloideae). The species was first described scientifically in 1869 by Henry Fletcher Hance . The genus name Carpinus comes from Latin and was already used by the Romans for the hornbeam.
use
The wood of Turczaninow's hornbeam is very hard, dense and even and is used to make agricultural implements and 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. 294 (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. 160.
- 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
- ↑ German name after Roloff et al .: Flora der Gehölze , p. 160
- ↑ a b c d e Pei-chun Li, Alexei K. Skvortsov: Carpinus turczaninowii , in the Flora of China , Volume 4, p. 294
- ↑ a b c Roloff et al .: Flora of the Woods , p. 160
- ^ Carpinus koreana at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ↑ a b c d Carpinus turczaninovii. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed July 20, 2012 .
- ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 130
Web links
- Carpinus turczaninowii. In: The Plant List. Retrieved July 20, 2012 .