Salix capitata

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Salix capitata
Systematics
Rosids
Eurosiden I
Order : Malpighiales (Malpighiales)
Family : Willow family (Salicaceae)
Genre : Willows ( Salix )
Type : Salix capitata
Scientific name
Salix capitata
YLChou & Skvortsov

Salix capitata is a small tree from the genus of willows ( Salix ) with thin and initially brittle branches and 3.5 to 7 centimeters long leaves. The natural range of the species is in China. It is used for afforestation and wood extraction.

description

Salix capitata is a 10 to 15 meter high tree with a dull gray, furrowed trunk bark and a round crown. The branches are thin, initially downy and later balding. Young twigs are gray-green and brittle. The leaves have broadly lanceolate stipules with a glandular serrated leaf margin. The petiole is 2 to 4 millimeters long. The leaf blade is lanceolate, 3.5 to 7 centimeters long and 5 to 12 millimeters wide, acuminate or short acuminate, with a wedge-shaped base and a glandular serrated leaf edge. The upper leaf surface is green and beginning with fine hairs, the underside is pale, later, both sides are along the midrib pubescent or glabrous.

Male inflorescences are not known. The female inflorescences are 1.5 to 1.8 centimeters long and about 7 millimeters in diameter catkins. The peduncle is short and three-leaved. The bracts are yellowish green, ovate, about 1 millimeter long, more or less pointed, with three veins, glabrous on top and downy hairy. The female flowers have an adaxial nectar gland . The ovary is about 1 millimeter long, glabrous and sessile. The stylus is short, the stigma is divided into two parts. The fruits are yellowish brown capsule fruits . Salix capitata flowers in May, the fruits ripen in January.

Occurrence

The natural range is in the Chinese provinces of Heilongjiang , Liaoning and Inner Mongolia , in Hebei and Shaanxi it was naturalized. The species grows at heights of 100 to 300 meters.

Systematics

Salix capitata 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 1955 by Chou Yi Liang and Boris Vassilievich Skvortsov . Skvortsov believes that the species is a single clone of weeping willow ( Salix babylonica ). The generic name Salix comes from Latin and was already used by the Romans for various types of willow. The specific epithet capitata also comes from Latin and means "heady".

use

Salix capitata is a fast-growing tree that is used for afforestation and logging.

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, 187 (English).
  • Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Nikol, Hamburg 2005, ISBN 3-937872-16-7 , pp. 125, 552 (reprint from 1996).

Individual evidence

  1. ↑ a b c d e Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix capitata , in the Flora of China , Volume 4, p. 187
  2. ↑ a b Salix capitata . In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed September 17, 2012 .
  3. ↑ Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix Sect. Salix , in the Flora of China , Volume 4, p. 181
  4. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 552
  5. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 125

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