Salix caspica

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

Salix caspica is a plant from the genus of willow ( Salix ) within the family of pasture plants (Salicaceae). The natural range extends from the European part of Russia to eastern Siberia and western China.

description

Vegetative characteristics

Salix caspica is a large shrub with heights of up to 5 meters. The bark is gray. The bark of the relatively thin branches is yellowish and shiny. The buds are about 5 millimeters long and pointed.

The alternate leaves arranged on the branches are divided into a petiole and a leaf blade. The petiole is 3 to 5 millimeters long and glabrous. With a length of 5 to 8 centimeters and a width of 4 to 5 centimeters, the simple leaf blade is linear-lanceolate or linear with a wedge-shaped base, long, pointed and entire. Both sides of the leaf are the same color, initially slightly tomentose and later bald. The obsolete stipules are linear.

Generative characteristics

The inflorescences are long, cylindrical, almost sessile, densely flowered catkins with deciduous leaves at the base . The inflorescence axis is hairy tomentose. The bracts are brownish, finely hairy with a blunt tip. Male flowers have two stamens , overgrown stamens with downy hair at the base and yellow anthers. Female flowers have a ovoid-conical, densely tomentose hairy, almost sitting ovary . The stylus is very short, the scar is head- shaped. Salix caspica flowers in Xinjiang before the leaves shoot from April to May and the fruits ripen in Xinjiang in June.

The number of chromosomes is 2n = 38.

Occurrence

The natural range extends from the European part of Russia via Armenia , Kazakhstan and Mongolia to eastern Siberia and the western part of the Chinese Xinjiang . It grows in open forests along rivers.

Systematics

Salix caspica is a species from the Helix section in the genus of willows ( Salix ) within the willow family (Salicaceae). It was first published in 1788 by Peter Simon Pallas . The specific epithet caspica refers to the distribution area on the Caspian Sea.

use

Salix caspica is planted to stabilize embankments and sandy substrates. Baskets are woven from the branches.

proof

literature

  • Wu Zheng-yi, Peter H. Raven (Ed.): Flora of China. Volume 4: Cycadaceae through Fagaceae. Science Press and Missouri Botanical Garden Press, Beijing and St. Louis 1999, ISBN 0-915279-70-3 , pp. 267 and 272.

Individual evidence

  1. ↑ a b c d e f g Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix caspica , in the Flora of China , Volume 4, p. 272
  2. ^ Salix caspica at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
  3. ^ A b Salix caspica in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved September 19, 2012.
  4. ↑ Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix Sect. Helix , in the Flora of China , Volume 4, p. 267
  5. ↑ Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Nikol, Hamburg 2005, ISBN 3-937872-16-7 , p. 99 (reprint from 1996).