Salix balfouriana

Last updated

Salix balfouriana
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Salicaceae
Genus: Salix
Species:
S. balfouriana
Binomial name
Salix balfouriana

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.

Contents

Description

Salix balfouriana is a shrub or tree up to 5 meters high with reddish black and tomentose hairy young twigs. Biennial twigs are glabrous or slightly hairy. The buds are black-brown and also finely hairy. The leaveshave a 1 to 1.5 centimeter long, finely hairy stem. The leaf blade is 6 to 8, rarely 12 inches long and 2 to 4 inches wide. In young shoots, lengths of up to 18 centimeters are rarely achieved. The blade is elliptical, elliptically elongated or obovate-elongated, with a pointed or blunt tip, rounded or broadly wedge-shaped base and entire or glandular serrated leaf margin. The upper surface of young leaves is rusty brown and tomentose, while older leaves are glabrous and whitish. The underside is dark green, glabrous or downy hairy along the leaf veins . Fallen leaves from the previous year are gray-brown. [1]

Male inflorescences are 2 to rarely 4 centimeters long and 6 to 10 millimeters in diameter catkins are formed. The peduncle is short or absent and may have one or two small leaves at the base. The bracts are obovate-oblong, with a rounded, truncated or notched tip. The upper side of the leaf is glabrous or slightly hairy, the underside is reddish yellow at the tip, hairy and ciliate. Male flowers have an adaxially and an abaxially arranged nectar gland . The two detached stamenshave almost completely hairy stamens and yellow or rarely red anthers. Female inflorescences are up to 8 inches long and have an elongated stem. The female flowers have an adaxial nectar gland. The ovary is sessile, ovate-conical, pubescent and reddish purple. The stylus is long and two-lobed, the scar is in two columns. The fruit forms 5.5 millimeters long, almost bare capsules . Salix balfouriana flowers before or at the same time as the leaves shoot from April to May, the fruits ripen in June and July. [1]

Range

The natural range is in thickets and on mountain slopes at heights of 2800 to 4000 meters in the Chinese province of Sichuan and in the northwest of the Chinese province of Yunnan. [1] [2]

Taxonomy

Salix balfouriana is a species from the genus of willows (Salix) in the willow family (Salicaceae). [2] There, it is the section Psilostigmatae assigned. [3] It was in 1936 by Camillo Karl Schneider scientifically for the first time described. [1] The genus name Salix is Latin and has been from the Romans used for various willow species. [4]

Literature

Related Research Articles

<i>Salix reticulata</i>

Salix reticulata, the net-leaved willow, or snow willow, is a dwarf willow, native to the colder parts of Europe, North America, and Northern Asia. It is found in the western United States, including the Sierra Nevada and Rocky Mountains. In Europe it extends south through the Carpathian Mountains and Alps to the Pyrenees and the mountains of Bulgaria and North Macedonia. It is common in Canada, Greenland and Finland, and present but rare in Scotland.

Echinacea atrorubens, called the Topeka purple coneflower, is a North American species of plants in the sunflower family. It is native to eastern Kansas, Oklahoma, and eastern Texas in the south-central United States. It is found growing in dry soils around limestone or sandstone outcroppings and prairies.

<i>Eurybia</i> (plant) Genus of flowering plants in the family Asteraceae

Eurybia is a genus of plants in the composite family that were previously included in the genus Aster. Most species are native to North America, although one is also present in northern Eurasia. There are 23 species in the genus, including 1 natural hybrid. The name was first applied by Alexandre de Cassini in 1820. The name is derived from Ancient Greek εὐρύς (eurús), meaning "wide", and βαιός (baiós), meaning "few", perhaps in reference to the small number of relatively wide ray florets.

<i>Rhaphiolepis indica</i>

Rhaphiolepis indica, the Indian hawthorn, India hawthorn or Hong Kong hawthorn is an evergreen shrub in the family Rosaceae.

<i>Vaccinium stamineum</i>

Vaccinium stamineum, commonly known as deerberry, tall deerberry, squaw huckleberry, highbush huckleberry, buckberry, and southern gooseberry, is a species of flowering plant in the heath family. It is native to North America, including Ontario, the eastern and central United States, and parts of Mexico. It is most common in the southeastern United States.

<i>Lepidium densiflorum</i>

Lepidium densiflorum is a species of flowering plant in the mustard family known by the common names common pepperweed and prairie peppergrass.

<i>Salix lapponum</i>

Salix lapponum, the downy willow, is a low, much branched shrub having a wide distribution in Northern Europe, eastwards to the Altai and western Siberia, and is found as far south as the Pyrenees and Bulgaria. In Scotland it can be found on rocky mountain slopes and cliffs, generally at altitudes between 200 and 900 metres.

<i>Prunus sibirica</i> Species of plant

Prunus sibirica, called Siberian apricot, is a species of shrub or small tree native to eastern China, Japan, Korea, Mongolia, and eastern Siberia. It is in the genus Prunus in the rose family, Rosaceae, one of several species whose fruit are called apricot, although this species is rarely cultivated for its fruit. The species was named by Carl Linnaeus in 1753.

<i>Cotoneaster bullatus</i>

Cotoneaster bullatus, the hollyberry cotoneaster, is a species of shrub in the genus Cotoneaster within the rose family. Its natural range is in Western China, where it is found in a range of woodland and shrub biotopes from 900 to 3200 m above sea level.

<i>Salix pedicellata</i> Species of plant

Salix pedicellata is a species of willow. It is a shrub or small tree to about 6–8 m tall, native around the Mediterranean Sea from Portugal to Lebanon and Syria in the north and from the Canary Islands to Tunisia in the south. Salix canariensis may be treated as a subspecies of S. pedicellata.

<i>Passiflora bogotensis</i>

Passiflora bogotensis is a climbing plant native to Colombia, in the genus Passiflora. It can also be found in Venezuela.

Colona thorelii is a species small tree, in the family Malvaceae and now placed in the subfamily Grewioideae; it is named after the French botanist Clovis Thorel. No subspecies are listed in the Catalogue of Life.

Prunus mugus is a species of cherry found in Yunnan province of China and nearby areas of Myanmar and Tibet. A prostrate shrub 1 m tall, it prefers to grow in thickets in the krummholz zone on mountain slopes from 3200 to 3,700 m or even 4,075 metres (13,400 ft) above sea level. Heinrich von Handel-Mazzetti, who discovered it, named the species after Pinus mugo, the dwarf mountain pine.

<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.

<i>Salix glabra</i> Salix glabra common name

Salix argyracea, the smooth willow, is a small shrub from the genus of willow (Salix). It is found in the mountainous areas of several European countries.


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 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.

Salix breviserrata is a species of willow belonging to the family Salicaceae. It is found in southern Europe in the Alps, and in the Iberian Peninsula in the Cantabrian Mountains, especially in the Picos de Europa, Somiedo, and the Sierra and Valle del Híjar.

<i>Salix appendiculata</i> Salix appendiculata common name

Salix appendiculata, Moreton Bay willow, is a plant from the genus willow (Salix). They can be found in France, Italy, Central and Eastern Europe and on the Balkan Peninsula.

References

  1. 1 2 3 4 Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix balfouriana, in der Flora of China, Band 4, S. 231
  2. 1 2 "Salix balfouriana". Germplasm Resources Information Network (GRIN). United States Department of Agriculture.
  3. Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix Sect. Psilostigmatae, in der Flora of China, Band 4, S. 226
  4. Genaust: Etymologisches Wörterbuch der botanischen Pflanzennamen, S. 552