Farges pasture

from Wikipedia, the free encyclopedia
Farges pasture
Malpighiales - Salix fargesii - kew 1.jpg

Farges willow ( Salix fargesii )

Systematics
Rosids
Eurosiden I
Order : Malpighiales (Malpighiales)
Family : Willow family (Salicaceae)
Genre : Willows ( Salix )
Type : Farges pasture
Scientific name
Salix fargesii
Burkill

Farges willow ( Salix fargesii ) is a shrub or small tree from the genus of willow ( Salix ) with upright or spreading, bare branches and about 11 centimeters long leaf blades. The natural range of the species is in China. It is very rarely used as an ornamental shrub.

description

Branch with leaf buds opening

Farges willow is a shrub or tree up to 3 meters high with upright or spreading, thick, bare and shiny purple branches. Young twigs are hairy like threads at the base. The buds are large, red and finely hairy at the tip. The leaves have no stipules , the petiole is up to 1.5 centimeters long and usually has several glands. The leaf blade is about 11 inches long, 6 inches wide, narrowly ovate or elliptical, with a pointed to rounded end, a rounded to wedge-shaped base and a glandular serrated leaf margin. 16 to 20 pairs of nerves are formed. The upper side of the leaf is deep green, shiny, glabrous or more or less hairy, the underside is lighter, green and hairy white shaggy along the leaf veins.

The inflorescences are 6 to 8 centimeters long, cylindrical catkins with a 1 to 3 centimeter long stalk covered with leaves. The bracts are yellow-brown, densely shaggy hairy, about 1 millimeter long and narrowly obovate. Male flowers have two bare stamens . The ovary of female flowers is short-stalked, long hairy or glabrous. The stylus is about 1 millimeter long and bilobed. The scar is split in two. Short-stalked, finely haired or bald, oblong-egg-shaped capsules are formed as fruits. Farge's willow flowers from April to May.

Occurrence and location requirements

The natural range is in temperate areas in China in the Gansu province , in the west of Hubei , in Shaanxi and Sichuan at altitudes of 1400 and 1600 meters. The species grows in floodplain and river banks on moderately dry, fresh to moist, slightly acidic to neutral, sandy soils in sunny locations. It loves warmth and is usually frost hardy .

Systematics

Farges willow ( Salix fargesii ) is a kind of the genus of willow ( Salix ), in the family of the pasture plants (Salicaceae). It was first scientifically described in 1899 by Isaac Henry Burkill . The generic name Salix comes from Latin and was already used by the Romans for various types of willow. The specific epithet fargesii refers to Paul Farges , a French missionary in western China.

There are two varieties :

  • Salix fargesii var. Fargesii with a long, downy, hairy ovary and a finely haired fruit capsule.
  • Salix fargesii var. Kansuensis (KS Hao ex CF Fang & AK Skvortsov) G. Zhu with bald ovary and bald capsule fruit. The taxon has also been described as a separate species Salix kansuensis .

use

Farge's willow is very rarely used as an ornamental shrub because of its decorative flowers .

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. 228-229 (English).
  • Andreas Roloff , Andreas Bärtels: Flora of the woods. Purpose, properties and use. With a winter key from Bernd Schulz. 3rd, corrected edition. Eugen Ulmer, Stuttgart (Hohenheim) 2008, ISBN 978-3-8001-5614-6 , p. 579.
  • Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Nikol, Hamburg 2005, ISBN 3-937872-16-7 (reprint from 1996).

Individual evidence

  1. German name after Roloff et al .: Flora der Gehölze , p. 579
  2. a b c d Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix fargesii , in the Flora of China , Volume 4, p. 229
  3. a b c d Roloff et al .: Flora der Gehölze , p. 579
  4. a b c Salix fargesii . In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed August 6, 2012 .
  5. Exactly: Etymological Dictionary of Botanical Plant Names , p. 552
  6. Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix fargesii var. Fargesii var. Kansuensis , in the Flora of China , Volume 4, p. 229
  7. Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix fargesii , in the Flora of China , Volume 4, p. 228

Web links

Commons : Farges Weide ( Salix fargesii )  - Collection of images, videos and audio files