Salix chienii

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

Salix chienii is a large shrub or small tree from the genus of willow ( Salix ) with initially light green and tomentose hairy and later reddish brown and bare branches. The leaf blades have lengths of 2 to 3.5 sometimes 5.5 centimeters. The natural range of the species is in China.

description

Salix chienii is a shrub or tree up to 12 meters high with a dull brown-gray bark . Young twigs are light green, tomentose and later turn reddish brown and almost bare. The buds are hairy and have a blunt tip. The leaves have an approximately 1 millimeter long, silky hairy petiole. The leaf blade is long, elliptical, lanceolate, or obscure-lanceolate, 2 to 3.5, rarely 5.5 centimeters long and 0.5 to 1.1, rarely 1.3 centimeters wide, with a pointed or blunt tip, broadly wedge-shaped to almost round Base and glandular serrated leaf margin. Both sides are initially silky down-haired, the top is green, glabrous or almost bald, the underside is pale, silky hairy or rarely bald or almost bald. Eight to twelve pairs of nerves are formed.

The male inflorescences are cylindrical, catkins 1.5 to 2 centimeters long . The inflorescence stalk is 3 to 6 millimeters long and has three to seven leaves. The bracts are obovate, hairy with long fluffy hairs, with a blunt or almost rounded tip. Male flowers have two stamens that have grown together and are finely haired at the base with yellow anthers. Female kittens are 1.2 to 1.8 inches long and reach 2 to 4 inches in length when the fruit is ripe. The peduncle is short and has three to five leaves at the base. The bracts are ovate, ciliate, glabrous on both sides, with a blunt or rounded base. Female flowers have an adaxial nectar gland . The ovary is ovoid, about 2 millimeters long, bare and sitting. The stylus is striking the scar bilobed. When fruits are ovate-oblong, about 3 mm long capsules formed. Salix chienii flowers in April, the fruits ripen in May.

Occurrence

The natural range is in the Chinese provinces of Anhui , Fujian , Hubei , Hunan , Jiangsu , Jiangxi and Zhejiang . Salix chienii grows along rivers and in thickets at heights of 500 to 600 meters.

Systematics

Salix chienii 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 by Wan Chun Cheng in 1933 . The generic name Salix comes from Latin and was already used by the Romans for various types of willow.

There are two varieties :

  • Salix chienii var. Chienii : The female flowers have bald ovaries.
  • Salix chienii var. Pubigera N.Chao The female flowers have close fluffy hairy ovary. The distribution area is in the Chinese province of Hunan.

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, 186 (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 f Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix chienii , in the Flora of China , Volume 4, p. 186
  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
  4. ↑ Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix chienii var. Chienii , in the Flora of China , Volume 4, p. 186
  5. ↑ Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix chienii var. Pubigera , in the Flora of China , Volume 4, p. 186

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