Carpinus k Weichowensis
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Carpinus k Weichowensis is a large tree from the genus of hornbeams ( Carpinus ) with gray-brown twigs and the upper surface of the leaves is hairy on young leaves along the midrib. The natural range of the species is in China.
description
Carpinus k Weichowensis is a tree up to 28 meters high with smooth, gray bark . The twigs are gray-brown, initially dense shaggy hairs and later balding. The leaves have a 1.2 to 1.5 centimeter long, densely hairy stalk with yellow hairs. The leaf blade is 8 to 12 inches long and 3.5 to 5.5 inches wide, elliptical, narrowly elliptical, oblong or narrowly elongated, acuminate or pointed, with more or less rounded, less often rounded-wedge-shaped or more or less heart-shaped base and one irregularly double finely serrated leaf margin. Ten to 16 pairs of nerves are formed. The upper side of young leaves is densely hairy along the midrib, the underside is sparsely hairy along the leaf veins and has axillary whiskers on the side veins.
The female inflorescences are 8 to 15 centimeters long with a diameter of about 5 centimeters. The inflorescence axis is about 2 centimeters long and densely hairy yellow shaggy. The bracts are 2.8 to 3 centimeters long, 0.9 to 1 centimeters wide, half-egg-shaped-oblong or sickle-shaped-oblong and sparsely shaggy hairy. The leaves have three to five veins of the first order, the veins arranged like a net are protruding. The outer leaf margin is closely serrated, the inner part has entire margins with a flattened basal lobe. As fruits are about 6 mm long and 5 mm wide, ovoid wide, eight to nine times ribbed, dense fluffy and at the top villous hairy Nüsschen formed. Carpinus k Weichowensis flowers from May to June, the fruits ripen from July to September.
Occurrence and location requirements
The natural range is in the southwest of the Chinese province of Guizhou and in the southeast of Yunnan in subtropical forests at an altitude of 1100 to 1200 meters.
Systematics
Carpinus k Weichowensis 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 Hu Xiansu in 1931 . 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. 294 (English).
Individual evidence
- ↑ a b c d e Pei-chun Li, Alexei K. Skvortsov: Carpinus k Weichowensis , in the Flora of China , Volume 4, p. 294
- ^ Carpinus. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed July 23, 2012 .
- ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 130
Web links
- Carpinus k Weichowensis. In: The Plant List. Retrieved July 23, 2012 .