Salix cavaleriei

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Salix cavaleriei
Systematics
Rosids
Eurosiden I
Order : Malpighiales (Malpighiales)
Family : Willow family (Salicaceae)
Genre : Willows ( Salix )
Type : Salix cavaleriei
Scientific name
Salix cavaleriei
H.Lév.

Salix cavaleriei is a large tree from the genus of willow ( Salix ) with a gray-brown, furrowed bark. The leaf blades have lengths of 4 to 11 centimeters. The natural range of the species is in China. It is planted for logging and for fastening embankments.

description

Salix cavaleriei is an 18 to rarely 25 meter high tree with a trunk of up to 50 centimeters in diameter at chest height . The trunk bark is gray-brown and furrowed. The twigs are red-brown and thin, young twigs are finely tomentose and later bald. Older twigs turn gray-brown. The foliage leaves have triangular-egg-shaped, serrated stipules . The petiole is 6 to 10 millimeters long, hairy down and has a glandular tip. The leaf blade is broadly lanceolate, elliptical-lanceolate or narrowly elliptical, 4 to 11 centimeters long and 2 to 4 centimeters wide, pointed to long pointed or rarely pointed, with a finely serrated leaf edge and a wedge-shaped or rounded base. Both sides of the leaf are initially reddish, later glabrous, the upper side of the leaf green, the underside greenish.

The male inflorescences are 3 to 4.5 centimeters long and about 8 millimeters in diameter catkins . The peduncle is long and forms two or three, rarely four leaves. The bracts are ovate-rounded to triangular, ciliate and hairy down on both sides. Male flowers have two nectar glands and six to eight, rarely up to twelve stamens . The female kittens are 2 to 3.5 inches long. The bracts resemble those of the male kitten. Female flowers also have two nectar glands. The ovary is stalked. As fruits ovoid, about 6 millimeters long, bald and clearly stalked capsules formed. Salix cavaleriei flowers when the leaves shoot from March to April, the fruits ripen from April to May.

Occurrence

The natural range is in the Chinese provinces of Guangxi , Guizhou , Sichuan and Yunnan . It grows along rivers and in damp forest edges at altitudes of 1800 to 2500 meters.

Systematics

Salix cavaleriei is a species from the genus of willows ( Salix ) in the willow family (Salicaceae). There she is assigned to the Wilsonia section . It was first scientifically described in 1909 by Augustin Hector Léveillé . The generic name Salix comes from Latin and was already used by the Romans for various types of willow.

Synonyms of the species are Pleiarina cavaleriei (H.Lév.) N.Chao & GTGong , Salix polyandra H.Lév. , Salix pyi H.Lév. , Salix yunnanensis H.Lév.

use

Salix cavaleriei is used to fortify embankments and serves as a supplier of wood.

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. 171, 174 (English).
  • Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Nikol, Hamburg 2005, ISBN 3-937872-16-7 , p. 552 (reprint from 1996).

Individual evidence

  1. a b c d e f Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix cavaleriei , in the Flora of China , Volume 4, p. 174
  2. ^ Salix cavaleriei . In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed September 20, 2012 .
  3. Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix Sect. Wilsonia , in the Flora of China , Volume 4, p. 171
  4. Exactly: Etymological Dictionary of Botanical Plant Names , p. 552

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