Carpinus hebestroma

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

Carpinus hebestroma is a small tree from the genus of hornbeams ( Carpinus ) with purple-brown branches and almost bare leaves. The natural range of the species is in Taiwan.

description

Carpinus hebestroma is a tree up to 8 meters high with dark gray bark . The branches are purple-brown, hairy thin and downy. The leaves have a 7 to 10 millimeter long, thin and downy hairy stem. The leaf blade is 5 to 5.5 centimeters long and 1.4 to 1.5 rarely up to 1.8 centimeters wide, lanceolate to ovate-lanceolate, long, pointed, with a more or less rounded base and an irregularly simply serrated leaf margin. Eleven to twelve pairs of nerves are formed. Both sides are almost bare.

The female inflorescences are 3 to 3.5 inches long with a diameter of about 1.5 centimeters. The inflorescence axis is 1.5 to 2 inches long and hairy downy. The bracts are 7 to 10 millimeters long, about 5 millimeters wide, broadly half-egg-shaped and with a blunt tip. The leaves have four or five veins of the first order. Both sides are sparsely hairy along the reticulated leaf veins. The outer leaf margin is serrated, the inner part has entire margins with rolled up basal leaf auricles without basal lobes. As fruits about 2.5 millimeters long and 1.5 millimeters wide, ribbed, hairy villous tight fluffy and at the top, with sparse resin glands are Nüsschen formed. Carpinus hebestroma flowers from May to July, the fruits ripen from July to September.

Occurrence and location requirements

The natural range is in the east of Taiwan in forests on mountain slopes at an altitude of 1000 to 1500 meters.

Systematics

Carpinus hebestroma 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 Yoshimatsu Yamamoto in 1932 . 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

  1. a b c d e Pei-chun Li, Alexei K. Skvortsov: Carpinus hebestroma , in the Flora of China , Volume 4, p. 298
  2. ^ Carpinus. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed July 22, 2012 .
  3. Exactly: Etymological Dictionary of Botanical Plant Names , p. 130

Web links