Salix bangongensis

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Salix bangongensis
Systematics
Rosids
Eurosiden I
Order : Malpighiales (Malpighiales)
Family : Willow family (Salicaceae)
Genre : Willows ( Salix )
Type : Salix bangongensis
Scientific name
Salix bangongensis
C.Wang & CFFang

Salix bangongensis is a small tree from the genus of willow ( Salix ) with yellowish-brown branches and 3 to 4 centimeters long leaf blades. The natural range of the species is in Tibet.

description

Salix bangongensis is a tree up to 5 meters high with a gray-white trunk bark . The twigs are yellowish brown, shiny, initially finely hairy and later balding. The leaves have a stalk about 7 millimeters long. The leaf blade is 3 to 4 centimeters long and 0.8 to 1.2 centimeters wide, lanceolate or oblong-lanceolate, rarely inverted lanceolate with a glandular serrate edge. The upper side of young leaves is green, initially silky shaggy and later balding, the underside is slightly bluish gray, glabrous or hairy at the base and along the veins. The nerve pairs on both sides are only indistinctly pronounced.

Male inflorescences are unknown. The female inflorescences are 1.5 to 3 centimeters long and 1 to 1.2 centimeters in diameter catkins with an approximately 6 millimeter long stalk with two to three small leaves. The bracts are elongated and almost black. The upper side of the leaf is glabrous, the underside is hairy at the base and along the edge of the leaf. The female flowers have an adaxially arranged nectar gland. The ovary is narrow egg-shaped or oval, short stalks or nearly sitting and downy. The stylus is clearly marked and bilobed, the scar in two columns. Salix bangongensis flowers in July.

Occurrence and location requirements

The natural range is near bodies of water in northern Tibet .

Systematics

Salix bangongensis is a kind from the kind of willow ( Salix ), in the family of the pasture plants (Salicaceae). There it is assigned to the Salix section . It was first scientifically described in 1979 by Wang Chang and Fang Cheng Fu . 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. 181, 189 (English).
  • 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. ↑ a b c d Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix bangongensis , in the Flora of China , Volume 4, p. 189
  2. ↑ Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix Sect. Salix , in the Flora of China , Volume 4, p. 181
  3. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 552

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