Salix blakii

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Salix blakii
Systematics
Rosids
Eurosiden I
Order : Malpighiales (Malpighiales)
Family : Willow family (Salicaceae)
Genre : Willows ( Salix )
Type : Salix blakii
Scientific name
Salix blakii
Goerz

Salix blakii is a shrub from the genus of willow ( Salix ) with thin, brownish and bare branches and 4 to 8 centimeters long leaf blades. The natural range of the species extends from Southwest Asia to China.

description

Salix blakii is a shrub up to 5 meters high with thin, brownish and bare branches. The leaves are stalked. The leaf blade is linear or linear-lanceolate, 4 to 8 centimeters long and 4 to 5 millimeters wide, long, pointed, with a wedge-shaped base and entire or finely serrated leaf margin. The upper side of the leaf is dull green, the underside greenish, both sides are initially silky and hairy and later glabrous. The lateral pairs of nerves are only indistinctly developed.

Male inflorescences are unknown. The female kittens are 3 to 4 inches long and continue to elongate until the fruit is ripe. The inflorescence stalk is 5 to 10 millimeters long and has lanceolate leaves, the inflorescence axis is hairy gray tomentose. The bracts are brownish, long obovate, glabrous on the underside and down-haired at the base and edge. They have three leaf veins and can be preserved until the fruit is ripe. The female flowers have a conical, gray-tomentose hairy and partially almost bare, short-stalked ovary at the base . The stylus is about the same length as the two-column scar . Salix blakii flowers when the leaves shoot in April, the fruits ripen in May.

Occurrence

The natural range is in Iran, Afghanistan, Kazakhstan, Tajikistan, Uzbekistan and in the south of the Chinese Xinjiang. In China it grows at heights of 500 to 600 meters.

Systematics

Salix blakii is a kind from the kind of willow ( Salix ), in the family of the pasture plants (Salicaceae). There it is assigned to the Helix section . It was first scientifically described by Rudolf Goerz in 1934 . 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. 267, 272 (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 blakii , in the Flora of China , Volume 4, p. 272
  2. ↑ Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix Sect. Helix , in the Flora of China , Volume 4, p. 267
  3. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 552

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