Carpinus purpurinervis

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

Carpinus purpurinervis is a small tree from the genus of hornbeams ( Carpinus ) with reddish brown, bare branches and leaves with slightly reddish leaf veins. The natural range of the species is in China.

description

Carpinus purpurinervis is a tree up to 5 meters high with dark gray bark . The branches are reddish brown, glabrous or almost bare. The leaves have a 5 to 7 millimeter long, sparsely shaggy stalk. The leaf blade is 2 to 6 centimeters long and 1 to 1.7 centimeters wide, oblong-lanceolate, lanceolate or narrowly lanceolate, pointed, with a more or less rounded or heart-shaped base and an irregular, sometimes double-prickly serrated leaf margin. Eleven to 13 slightly reddish colored nerve pairs are formed. The upper side of the leaf is glabrous, the underside has sparsely shaggy hair along the veins.

The female inflorescences are about 4 inches long with a diameter of 2.5 centimeters. The reddish inflorescence axis is 2.5 centimeters long, sparsely downy-haired or bald. The bracts are almost bare, about 1.5 inches long, 0.7 inches wide, half-egg-shaped with a pointed or almost blunt end. The outer leaf margin is irregularly serrated without a basal lobe, the inner part has entire margins with a rolled-up basal auricle . The leaves have four or five veins of the first order. The leaf veins arranged like a net are protruding. As a fruit about 4 millimeters long and 3 millimeters wide, broadly ovate, ribbed, sparsely pubescent, at the head of shaggy hairy nutlets formed, which sometimes have resin glands. Carpinus purpurinervis flowers from May to June, the fruits ripen from July to September.

Occurrence and location requirements

The natural range is in the Chinese provinces of Guangxi and Guizhou . The species grows in light forests or thickets on calcareous soils at an altitude of 600 to 1000 meters.

Systematics

Carpinus purpurinervis 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 1964 . 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. 297 (English).

Individual evidence

  1. ↑ a b c d e Pei-chun Li, Alexei K. Skvortsov: Carpinus purpurinervis , in the Flora of China , Volume 4, p. 297
  2. ^ Carpinus. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed July 28, 2012 .
  3. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 130

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