Carpinus monbeigiana
| Carpinus monbeigiana | ||||||||||||
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| Carpinus monbeigiana | ||||||||||||
| Hand.-Mazz. |
Carpinus monbeigiana is a medium-sized tree from the genus of hornbeams ( Carpinus ) with gray-brown, initially downy-haired twigs and sometimes shaggy leaves. The natural range of the species is in China.
description
Carpinus monbeigiana is a tree up to 16 meters high with gray bark . The twigs are dark gray-brown, initially densely downy and later balding. The leaves have a stalk about 1 centimeter long, densely haired with yellow fluff. The leaf blade is 5 to 10 centimeters long and 2.5 to 4 centimeters wide, oblong-lanceolate, ovate-lanceolate or elliptical-lanceolate, pointed, pointed or tapered, with a rounded, more or less heart-shaped or rounded-wedge-shaped base and one The leaf margin is irregularly bristly and spiky. 14 to 18 pairs of nerves are formed. The upper side of the leaf is covered with dense shaggy hair along the midrib, the underside is hairy with silky shaggy hair along the veins, has axillary whiskers and is otherwise bald.
The female inflorescences are 5 to 8 inches long with a diameter of 1.5 to 2 inches. The inflorescence axis is 1.5 to 2 inches long, yellow and hairy rough. The bracts are 1.6 to 2 inches long, 6 to 8 millimeters wide, half-egg-shaped with a pointed or blunt end. The outer leaf margin is roughly toothed without a basal lobe, the inner part is entire, with a rolled-up basal auricle . The leaves have five first-order veins and are densely yellow and coarsely hairy along the reticulated veins. As fruits 3 to 4 millimeters long, broadly ovate significantly ribbed, sparsely pubescent and at the head of shaggy hairy nutlets formed, which are occupied with brown and orange resin glands. Carpinus monbeigiana flowers from May to June, the fruits ripen from July to August.
Occurrence and location requirements
The natural range is in Tibet and in the Chinese province of Yunnan in subtropical forests on mountain slopes with calcareous subsoil at an altitude of 1700 to 2800 meters.
Systematics
Carpinus monbeigiana is a species of the hornbeam genus ( Carpinus ). This is in the family of birch plants of the subfamily (Betulaceae) coryloideae assigned (Coryloideae). The species was first scientifically described by Heinrich von Handel-Mazzetti in 1925 . The genus name Carpinus comes from Latin and was already used by the Romans for the hornbeam.
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. 298 (English).
Individual evidence
- ↑ a b c d e Pei-chun Li, Alexei K. Skvortsov: Carpinus monbeigiana , in the Flora of China , Volume 4, p. 298
- ^ Carpinus. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed July 27, 2012 .
- ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 130
Web links
- Carpinus monbeigiana. In: The Plant List. Retrieved July 27, 2012 .