Salix cathayana

Last updated

Salix cathayana
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. cathayana
Binomial name
Salix cathayana

Salix cathayana is a strongly branched shrub from the genus of the willow (Salix) with brown or gray-brown, young tomentose hairy branches. The leaf blades have lengths of 1.5 to 5.2 centimeters. The natural range of the species is in the north of China.

Contents

Description

Salix cathayana is a strongly branched shrub up to 1.5 meters high. The twigs are brown or gray-brown, and young twigs are tomentose. The buds are egg-shaped to elongated, tomentose and have a blunt tip. The leaves have a 2 to 5 millimeter long, finely hairy petiole. The leaf blade is elliptical or elliptical-lanceolate, 1.5 to 5.2 inches long and 0.6 to 1.5 inches wide, entire, with a blunt or pointed tip and a blunt or pointed base. The upper side of the leaf is dull green and sometimes tomentose, the underside is blue-green. [1]

The male inflorescences are 2 to 3.5 centimeters long and 5 to 8 millimeters in diameter, dense-flowered catkins. The inflorescence stalk is 0.5 to 1.5 inches long, shaggy and hairy and forms three or more leaves. The bracts are yellowish brown, ovate or obovate, ciliate and have a rounded tip. Male flowers have an adaxial, ovoid-elongated nectar gland. The two stamens stand free, the stamens are three to four times longer than the bracts and partly sparsely hairy with long downy hair. The anthers are yellow, egg-shaped or almost round. The female catkins are 2 to 3 seldom up to 5 centimeters long, densely flowered and with short stems. The bracts are obovate-oblong and ciliate. Female flowers have an adaxial nectar gland. The ovary is elliptical, about 3 millimeters long, glabrous and sessile. The pen is short and two columns, the scar is short and bilobed. Round, seated or almost seated capsules are formed as fruits. Salix cathayana flowers in May, and the fruits ripen in June and July. [1]

Range

The natural range is in the Chinese provinces of Guizhou, Hebei, Henan, Hubei, Shaanxi, Sichuan, and Yunnan. It grows in thickets on mountain slopes and in valleys at altitudes of 1800 to 3000 meters. [1]

Taxonomy

Salix cathayana is a kind from the kind of willow (Salix), in the family of the pasture plants (Salicaceae). [1] There, it is the section Denticulatae assigned. [2] It was in 1912 by Ludwig Diels scientifically for the first time described. [1] The genus name Salix is Latin and has been from the Romans used for various willow species. [3] The specific epithet cathayanarefers to the origin of the species from China. It is derived from Cathay, an empire established in the 10th century by Mongol tribes in northern China. [4]

A synonym of the species is Salix hsinhsuaniana Fang. [1]

Literature

Related Research Articles

<i>Salix aegyptiaca</i> Salix aegyptiaca common name

Salix aegyptiaca, known as the Persian willow, is a large shrub or small tree from the genus of willow (Salix) with red branches that are tomentose in the first two years and leaves up to 15 centimeters long. The natural range of the species is in the Caucasus and in western Asia. It is cultivated in many countries.

<i>Salix argyracea</i> Salix argyracea common name

Salix argyracea is a large shrub from the genus of willow (Salix) with up to 10 centimeters long leaf blades with a felty hairy and shiny underside. The natural range of the species is in Kazakhstan, Kyrgyzstan, and China.


Salix capusii is a large shrub from the genus of the willow (Salix) with chestnut-brown branches and 4 to 5 centimeters long, gray-blue leaf blades. The natural range of the species is in Afghanistan, Tajikistan, Pakistan, and China.

Salix balfouriana is a shrub or small tree from the genus of willow (Salix) with reddish black and tomentose hairy young twigs and up to 8 leaf blades, rarely 18 centimeters long. The natural range of the species is in China.

Salix annulifera is a small shrub from the genus of the willow (Salix) with up to 8 centimeter long leaf blades. The natural range of the species is in China.

Salix boseensis is a shrub from the genus of willow (Salix) with initially brownish, frosted and bare branches and 6 to 9 centimeters long leaf blades. The natural range of the species is in China.

Salix anticecrenata is a low, pillow-shaped shrub from the genus of willow (Salix) with about 1.5 centimeters long leaf blades. The natural range of the species is in Nepal and China.

Salix atopantha is a small shrub from the genus of the willow (Salix) with up to 4 centimeters long, dull brown leaf blades on top. The natural range of the species is in China.

<i>Salix bhutanensis</i> Salix bhutanensis common name

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.

Salix contortiapiculata is a tall shrub from the genus of willow (Salix) with 5 to 9 centimeter long leaf blades. The natural range of the species is in China.

<i>Salix cavaleriei</i> Salix cavaleriei common name

Salix cavaleriei is a large tree from the genus of willow (Salix) with a gray-brown, furrowed bark. The leaf blades have lengths of 4 to 11 centimetres. The natural range of the species is in China. It is planted for logging and for fastening embankments.

<i>Salix characta</i> Salix characta common name

Salix characta is a shrub from the genus of willow (Salix) with initially downy hairy branches. The leaf blades have lengths of 3.5 to sometimes 7 centimeters. The natural range of the species is in China.

<i>Salix cheilophila</i> Salix cheilophila common name

Salix cheilophila is a shrub or small tree from the genus of willow (Salix) with initially tomentose hairy and later balding branches. The leaf blades have lengths of 2.5 to sometimes 6 centimeters. The natural range of the species is in China.

Salix crenata is a cushion-shaped growing shrub from the genus of willow (Salix) with about 8 millimeter long leaf blades. The natural range of the species is in China.

<i>Salix cupularis</i> Salix cupularis common name

Salix cupularis is a small shrub from the genus of the willow (Salix) with 1.5 to 2.7 centimeters long leaf blades. The natural range of the species is in China.

Salix delavayana is a shrub or small tree from the genus willow (Salix) with mostly 3 to 8 centimeters long leaf blades. The natural range of the species is in the south of China and in Tibet.

Salix dibapha is a shrub from the genus of willow (Salix) with mostly 4 to 6 centimeters long leaf blades. The natural range of the species is in China.

Salix dissa is a low shrub from the genus willow (Salix) with usually 1 to 3 centimeters long leaf blades. The natural range of the species is in China.

<i>Salix driophila</i> Salix driophila common name

Salix driophila is a shrub from the genus of willow (Salix). The natural range of the species is in China.

Salix blakii is a willow (Salix) shrub 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.

References

  1. 1 2 3 4 5 6 Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix cathayana, in der Flora of China, Band 4, S. 205
  2. ↑ Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix Sect. Denticulatae, in der Flora of China, Band 4, S. 195
  3. ↑ Genaust: Etymologisches Wörterbuch der botanischen Pflanzennamen, S. 552
  4. ↑ Genaust: Etymologisches Wörterbuch der botanischen Pflanzennamen, S. 135
This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.