Salix bhutanensis

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Salix bhutanensis
Salix bhutanensis.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Salicaceae
Genus: Salix
Species:
S. bhutanensis
Binomial name
Salix bhutanensis

Salix bhutanensis is a shrub or small tree from the genus of willow (Salix) found in Nepal, Bhutan, and Tibet. It has young, densely brownish green tomentose hairy branches and 3 to 5.5 centimeters long leaf blades. [1]

Contents

Description

Salix bhutanensis is a shrub or tree up to 3 meters high with spread branches. Young twigs are densely hairy, brownish-green, tomentose, biennial twigs are about 4 millimeters thick. The leaves have an approximately 3 millimeter long, densely hairy stalk. The stipules are ovate to lanceolate, finely hairy and have a serrated leaf margin. The leaf blade is 3 to 5.5 centimeters long and 1.5 to 2.5 centimeters wide, elliptical, pointed, entire, with a blunt or rounded base. Eight to 11 pairs of nerves are formed. The upper side of the leaf is yellowish green, the underside gray-green. [2]

Male inflorescences are unknown. The female inflorescences are cylindrical, 5 centimeters long and 1.3 centimeters in diameter, dense-flowered catkins on a 1 centimeter long stalk with one to three leaves. The bracts are brown, ovate-lanceolate or lanceolate, about 1.8 millimeters long, dull brown on top and long hairy on the underside. The female flowers have an adaxial nectar gland . The ovary is stalked 0.3 to 1 millimeter long, narrow ovate-conical, 4 to 5 millimeters long, bare and upper side reddish. The stylus is 1 to 1.5 millimeters long or longer, the scaris more or less erect and two columns. The fruits are 6 to 7 millimeter long capsules. Salix bhutanensis flowers before or with the leaf shoots from May to June. [2]

Range

The natural distribution area is on mountain slopes, in valleys, thickets and open forests in Nepal, Bhutan, and Tibet at altitudes of 2800 to 3500 meters. [2]

Taxonomy

Salix bhutanensis is a species from the willow genus (Salix), in the family of Salicaceae. There it is assigned to the Lanatae section. [3] It was described for the first time scientifically in 1940 by Björn Gustaf Oscar Floderus. [2] The genus name Salix is Latin and has been from the Romans used for various willow species. [4]

Synonyms of the species are Salix filistyla C. Wang & PY Fu and Salix himalayensis (Andersson) Floderus var. Filistyla (C. Wang & PY Fu) CF Fang. [2]

Literature

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References

  1. ↑ "Salix bhutanensis Flod".
  2. 1 2 3 4 5 Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix bhutanensis, in der Flora of China, Band 4, S. 251
  3. ↑ Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix Sect. Lanatae, in der Flora of China, Band 4, S. 250
  4. ↑ Genaust: Etymologisches Wörterbuch der botanischen Pflanzennamen, S. 552
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