Salix lapponum
Lapland willow ( Salix lapponum )
The Lapland willow ( Salix lapponum ) is a small shrub of the genus willow ( Salix) with initially silky hairy twigs and at least initially tomentose hairy leaf blades. The natural range of the species is located in Europe and extends to the east of Siberia. It is rarely used.
Description
The Lapland willow is up to 1.5 meters tall, broad upright and densely branched shrub with thin, silky hairy at first and later bare, dark brown shiny drives. The leaves have no or only weakly developed stipules and a 3-8 mm long stalk. The leaf blade is 2.5 to 8 inches long, 0.8 to 3 cm wide, elliptic to obovate, rarely lanceolate, acute or acuminate, entire or at most slightly wavy notched, with rounded to wedge- shaped base. The upper leaf surface of young leaves is hairy white tomentose, later glabrous and olive green, the underside is consistent graufilzig.
As inflorescences about 3 centimeters long, formed elongated, sitting and striking silvery silky haired kitten. The bracts are dark brown, long haired with an elongated nectar gland. Male flowers have two bald stamens. The ovary of female flowers is almost sessile and hairy. The stylus is long, the scars are oblong and divided. The Lapland willow blooming just before the leaves emerge from May to June.
Occurrence and habitat requirements
The natural range extends in Europe from northern Europe (Finland, Norway, Sweden, England, Scotland) over Central Europe (Czech Republic, Slovakia, southeast of Germany, Poland) to Eastern Europe ( Belarus, the Baltic States, Ukraine, Russia) and southern Europe ( south of France, northeastern Spain, Bulgaria, Romania). In Asia, the area of distribution of ranges west to eastern Siberia. The Lapland willow grows in bog and swamp areas in swamp forests, on marshy ground and in damp and wet meadows on sunny and cool locations. The distribution area is the hardiness zone 4 is associated with mean annual minimum temperatures -34.4 to -28.9 ° C (-30 ° to -20 ° F).
System
The Lapland willow ( Salix lapponum ) is a species of the genus willow ( Salix) in the family of the willow family ( Salicaceae ). It was described in 1753 by Carl Linnaeus in Species Plantarum first time scientifically. The genus name Salix comes from Latin and was already used by the Romans for various species of willows. The specific epithet lapponum derives from the Medieval Latin Lappo for Lappe.
Use
The Lapland willow is rarely used.