Carpinus kawakamii
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Carpinus kawakamii |
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| Carpinus kawakamii | ||||||||||||
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Carpinus kawakamii is a tree from the genus of hornbeams ( Carpinus ) with brown, bare or sparsely hairy twigs and initially sparsely hairy leaf tops. The natural range of the species is in Taiwan and China.
description
Carpinus kawakamii is a tree with dark gray bark . The branches are brown, hairless or sparsely hairy. The leaves have a 0.8 to 1.5 centimeter long, sparsely downy hairy stem. The leaf blade is 4 to 5 inches long and 1.8 to 2.5 inches wide, ovate-lanceolate or oblong-lanceolate, acuminate or tail-acuminate, with a more or less rounded or more or less heart-shaped, sometimes oblique base and a regular Double serrated, sometimes just single serrated edge towards the tip of the leaf. Ten to 15 pairs of nerves are formed. The upper side of the leaf is initially sparsely hairy and fluffy, the underside is sparsely shaggy hairy along the leaf veins.
The female inflorescences are 4 to 6 inches long with a diameter of 2 to 2.5 inches. The inflorescence axis is about 1 centimeter long and densely hairy downy. The bracts are 1.8 to 2 inches long, half-egg-shaped and pointed. The leaves have five veins of the first order, the veins arranged like a network are protruding. The outer leaf margin is irregularly serrated, the inner part is straight to more or less sickle-shaped, entire with an egg-shaped, rolled up basal flap 3 millimeters long. The fruits are about 3 millimeters long, broadly egg-shaped, sparsely covered with resin glands, six-fold ribbed nuts with a densely shaggy hairy tip. Carpinus kawakamii flowers from May to June, the fruits ripen from July to August.
Occurrence and location requirements
The natural range is on Taiwan and in the Chinese province of Fujian . There the species grows in subtropical forests at an altitude of 500 to 2000 meters.
Systematics
Carpinus kawakamii 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 Hayata Bunzō in 1913 . The genus name Carpinus comes from Latin and was already used by the Romans for the hornbeam.
One can distinguish between two varieties:
- Carpinus kawakamii var. Kawakamii : It occurs in the Chinese province of Fujian and in Taiwan.
- Carpinus kawakamii var. Minutiserrata (Hayata) SSYing : It occurs in Taiwan.
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. 295 (English).
Individual evidence
- ↑ a b c d Pei-chun Li, Alexei K. Skvortsov: Carpinus kawakamii , in the Flora of China , Volume 4, p. 295
- ↑ a b c Carpinus kawakamii . In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed July 23, 2012 .
- ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 130
- ↑ a b c Rafaël Govaerts (Ed.): Carpinus - World Checklist of Selected Plant Families of the Royal Botanic Gardens, Kew. Last accessed on January 11, 2017.
Web links
- Carpinus kawakamii. In: The Plant List. Retrieved July 23, 2012 .