Carpinus mollicoma
| Carpinus mollicoma | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Carpinus mollicoma | ||||||||||||
| Hu |
Carpinus mollicoma is a small tree from the genus of hornbeams ( Carpinus ) with dense, light reddish shaggy branches and shaggy leaves. The natural range of the species is in China.
description
Carpinus mollicoma is a tree up to 10 meters high with dark gray bark . The twigs are dark brown and densely hairy, light reddish shaggy. The leaves have a 3 to 8 millimeter long, densely reddish shaggy stalk. The leaf blade is 5 to 6.5 centimeters long and 2 to 2.5 centimeters wide, oblong-lanceolate or elliptic-lanceolate, pointed or tapered, with a rounded or rounded-wedge base and an irregularly serrated, sometimes double-bristly serrated leaf edge. 14 to 17 pairs of nerves are formed. The upper side of the leaf is shaggy hairy, especially along the midrib, the underside is densely white or light reddish when pressed shaggy hairy.
The female inflorescences are 2.5 to 3 inches long with a diameter of 1 to 1.5 inches. The inflorescence axis is 1 to 2 centimeters long and hairy densely white or reddish shaggy. The bracts are about 1.5 inches long, 5 millimeters wide, half-egg-shaped with a pointed end. The outer leaf margin is closely serrated without a basal lobe, the inner part is entire, with narrow, rolled up basal leaf auricles . The leaves have four or five veins of the first order and are hairy with soft shaggy hair along the veins arranged like a network. The fruits are about 4 millimeters long and 3 millimeters wide, broadly egg-shaped, clearly ribbed, densely shaggy hairy nuts . Carpinus mollicoma flowers from May to June, the fruits ripen from July to September.
Occurrence and location requirements
The natural distribution area is in the Chinese province of Sichuan , in the south of Yunnan and in the east of Tibet in mixed forests on mountain slopes at an altitude of 1400 to 2900 meters.
Systematics
Carpinus mollicoma 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 in 1949 by hu xiansu scientifically valid first described . 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. 299 (English).
Individual evidence
- ↑ a b c d e Pei-chun Li, Alexei K. Skvortsov: Carpinus mollicoma , in the Flora of China , Volume 4, p. 299
- ^ 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 mollicoma. In: The Plant List. Retrieved July 27, 2012 .