Salix coggygria

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Salix coggygria
Systematics
Rosids
Eurosiden I
Order : Malpighiales (Malpighiales)
Family : Willow family (Salicaceae)
Genre : Willows ( Salix )
Type : Salix coggygria
Scientific name
Salix coggygria
Hand.-Mazz.

Salix coggygria is a low shrub from the genus of willow ( Salix ) with 1.5 to 4.5 centimeters long leaf blades . The natural range of the species is in China.

description

Salix coggygria is a low shrub up to 50 centimeters high . The twigs are dull brown and hairless. However, young shoots are hairy gray or brownish. The buds are brown, egg-shaped and 4 to 7 millimeters long. The leaves have triangular-oval and finely hairy stipules . The petiole is 2 to 5 millimeters long and densely hairy. The leaf blade is obovate-rounded, 1.5 to 4.5 inches long and 1.5 to 3.5 inches wide, with entire margins or slightly serrate near the tip. The base of the leaf is blunt-rounded, the tip also blunt-rounded and often prickly. The upper side of the leaf is green and dense reddish hairy, the underside pale and glaucous and in young leaves dense, shaggy and white haired and later balding.

The inflorescences are terminal, 2 to 3 centimeters long, densely flowered catkins with a leafy base. The inflorescence axis is hairy tomentose. The bracts are obovate-oblong, about 3 millimeters long, finely hairy, and have a blunt or more or less truncated tip. Male flowers have cylindrical, adaxial, and abaxial nectar glands . The two stamens are about 6 millimeters long. The stamens are finely haired near the base, the anthers are egg-shaped and yellow. Female flowers have an egg-shaped, densely whitish gray haired, sitting ovary . The pen has two columns, the scar bilobed. Salix coggygria flowers when the leaves shoot in June, the fruits ripen in July.

Occurrence

The natural range is in the northwest of the Chinese province of Yunnan and in the east of the Tibet Autonomous Region . Salix coggygria grows among other shrubs at altitudes of 3400 to 4700 meters.

Systematics

Salix coggygria is a species from the genus of willows ( Salix ) in the willow family (Salicaceae). There it is assigned to the Floccosae section . It was scientifically described for the first time in 1929 by Heinrich von Handel-Mazzetti in Symbolae Sinicae, Botanical Results of the Expedition of the Academy of Sciences in Vienna to Southwest China . The generic name Salix comes from Latin and was already used by the Romans for various types of willow.

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. 206, 210 (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 Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix coggygria , in the Flora of China , Volume 4, p. 210
  2. ↑ Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix Sect. Floccosae , in the Flora of China , Volume 4, p. 206
  3. ↑ Handel-Mazzetti H. 1929: Salicaceae. In: Handel-Mazzetti H. (Ed.): Symbolae Sinicae. Botanical results of the expedition of the Academy of Sciences in Vienna to Southwest China in 1914/1918. Part VII, 1st delivery. Julius Springer, Vienna, pp. 57–89. - p. 79 - Online
  4. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 552

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