Carpinus fangiana

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Carpinus fangiana
川黔 千金 榆 Carpinus fangiana - 溫哥華 哥倫比亞 大學 植物園 UBC Botanical Garden, Vancouver- (9252383245) .jpg

Carpinus fangiana

Systematics
Eurosiden I
Order : Beech-like (Fagales)
Family : Birch family (Betulaceae)
Subfamily : Hazelnut family (Coryloideae)
Genre : Hornbeam ( Carpinus )
Type : Carpinus fangiana
Scientific name
Carpinus fangiana
Hu

Carpinus fangiana is a medium-sized tree from the genus of hornbeams ( Carpinus ) with dark purple branches and shaggy, hairy leaf tops in young leaves. The natural range of the species is in China.

description

Carpinus fangiana is a tree up to 20 meters high with dark gray or gray-brown bark . The branches are purple-brown and balding. The leaves have a bare stalk about 1.5 millimeters long. The leaf blade is 6 to 27 centimeters long and 2.5 to 8 centimeters wide, ovate-lanceolate to elliptic-lanceolate, long pointed, with a heart-shaped, more or less rounded or broadly wedge-shaped base and an irregularly double-bristle serrated leaf margin. 24 to 34 pairs of nerves are formed. Both sides are almost bald and only sparsely shaggy hairy along the central vein and the side veins and have axillary beards on the side veins.

The female inflorescences are 45 to 50 centimeters long with a diameter of 3 to 4 centimeters. The inflorescence axis is 3 to 5 inches long, densely downy and sparsely hairy shaggy. The bracts are 1.8 to 2.5 inches long, about 1 to 1.2 inches wide, obliquely elliptical, pointed and clearly overlap. The leaves have five veins of the first order, the veins arranged like a net are inconspicuous. Both sides are sparsely shaggy hairy along the leaf veins, the underside of the leaf has armpit whiskers. The outer leaf margin is tightly serrated and slightly curved, the inner margin is narrow and finely serrated and has two lobes at the base that envelop the fruit. As fruits about 3.5 millimeters long, indistinct ribbed and bare Nüsschen formed. Carpinus fangiana flowers from May to June, the fruits ripen from July to September.

Occurrence and location requirements

The natural range is in China in the north of the Guangxi Autonomous Region , in Guizhou , Sichuan and in the east of Yunnan in mountain valleys and on shady mountain slopes at an altitude of 900 to 2000 meters.

Systematics

Carpinus fangiana 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 1929 . 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. 291 (English).

Individual evidence

  1. a b c d e Pei-chun Li, Alexei K. Skvortsov: Carpinus fangiana , in the Flora of China , Volume 4, p. 291
  2. ^ Carpinus. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed July 21, 2012 .
  3. Exactly: Etymological Dictionary of Botanical Plant Names , p. 130

Web links

Commons : Carpinus fangiana  - collection of images, videos and audio files