Salix clathrata

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

Salix clathrata is a prostrate shrub from the genus of the willow ( Salix ) with spread, strongly branched branches. The leaf blades have lengths of 1.5 to rarely 3 centimeters. The natural range of the species is in China.

description

Salix clathrata is a prostrate shrub with spreading, non-rooting, thick and heavily branched, dull brown branches. Young twigs are red-brown, short-haired and later balding. The buds are egg-shaped, about 3 millimeters long and sparsely hairy. The leaves have a red, 4 to rarely 7 millimeter long petiole. The leaf blade is leathery, elliptical or obovate, 1.5 to rarely 3 inches long and 1 to rarely 1.5 inches wide, entire, more or less rounded with an almost rounded base. The upper side of the leaf is light green, shiny, glabrous and wrinkled, the underside is white-gray and balding.

The inflorescences are ellipsoidal, about 6 millimeters long and 3 millimeters in diameter, densely flowered catkins . The peduncle is very short and has two or three leaves. The inflorescence axis is thick and hairy. The bracts are purple towards the tip, obovate, and sparsely shaggy hairy on the underside and on the edge. Male flowers have a cylindrical adaxial and a broad and short abaxial nectar gland . The two stamens are about 3 millimeters long and shaggy hairy at the base. The anthers are red. Female kittens are up to 2 inches long at fruit ripeness. Female flowers have a cylindrical adaxial gland. The ovary is egg-shaped, bald and sitting. The stylus is striking and two columns, the scar bilobed. Salix clathrata flowers before the leaves shoot in July, the fruits ripen from August to September.

Occurrence

The natural range is in the west of the Chinese province Sichuan , in the northwest of Yunnan and in Tibet . Salix clathrata grows on rocky subsoil at heights of around 4000 meters.

Systematics

Salix clathrata is a kind from the kind of willow ( Salix ), in the family of the pasture plants (Salicaceae). There she is assigned to the Lindleyanae section . The species resembles Salix sclerophylla , and a classification in the section Sclerophyllae is being considered. It was first scientifically described by Heinrich von Handel-Mazzetti in 1929 . 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. 211, 215 (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 Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix clathrata , in the Flora of China , Volume 4, p. 215
  2. ↑ Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix Sect. Lindleyanae , in Flora of China , Volume 4, p. 211
  3. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 552

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