Birch poplar

from Wikipedia, the free encyclopedia
Birch poplar
Habit and leaves

Habit and leaves

Systematics
Rosids
Eurosiden I
Order : Malpighiales (Malpighiales)
Family : Willow family (Salicaceae)
Genre : Poplars ( Populus )
Type : Birch poplar
Scientific name
Populus simonii
Carrière

The birch poplar or Simon's poplar ( Populus simonii ) is a medium-sized deciduous tree from the genus of poplar in the willow family. Their natural range is in the north of China and Mongolia.

description

The birch poplar is a tree up to 20 meters high with a narrow crown and a diameter of up to 50 centimeters at chest height . The trunk bark of young trees is greyish green and later turns dark gray and furrowed. The twigs are bare, reddish brown, thin, and round petioles; stronger shoots are often angular. The buds are brown, elongated, pointed and sticky. The leaves have a 1 to 2 centimeter long stem. The leaf blades are rhombic-elliptical to obovate, 3 to 12 centimeters long and 2 to 8 centimeters wide, briefly pointed with a rounded to wedge-shaped base and serrated leaf margin. The upper side of the leaf is dark green and bare, the underside light green to whitish and also hairless. The leaves emerge early in the year. The flowers are like all poplars dioecious distributed. The male flowers have 8 stamens and are arranged in catkins 2 to 3 centimeters long . The female kittens are slender and 2.5 to 6 centimeters long, when the fruit is ripe, up to 15 centimeters long. The capsule fruits are small, glabrous or hairy. The species blooms from March to May, the fruits ripen from April to June. The number of chromosomes is .

Distribution and location

The natural range is in the temperate zone of Asia in Mongolia and in the north of China in the provinces Hebei , Heilongjiang , Jiangsu , Jilin , Liaoning , Nei Monggol , Qinghai , Shaanxi , Shanxi , Sichuan , Yunnan and Zhejiang . There it grows in floodplains and riparian forests from above sea level up to 3000 meters on moderately dry to fresh, weakly acidic to strongly alkaline, nutrient-rich, sandy, loamy or gravelly soils in sunny locations. The species loves warmth and is usually frost hardy.

Systematics

The birch poplar ( Populus simonii ) is a kind of the genus of poplar ( Populus ) in the family of the pasture plants (Salicaceae). It was first described by the French botanist Élie-Abel Carrière in 1867 .

use

The wood of the birch-poplar is often used. The species is also considered to be a food for bees.

proof

literature

  • Andreas Roloff , Andreas Bärtels: Flora of the woods. Purpose, properties and use. With a winter key from Bernd Schulz. 3rd, corrected edition. Eugen Ulmer, Stuttgart (Hohenheim) 2008, ISBN 978-3-8001-5614-6 , p. 466.
  • 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. 148 (English).

Individual evidence

  1. ↑ a b German name after Roloff et al .: Flora der Gehölze , p. 466
  2. ↑ a b c d Roloff et al .: Flora der Gehölze , p. 466
  3. ↑ a b c d Liguo Fu, Nan Li, Thomas S. Elias, Robert R. Mill: Populus simonii . In: 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. 148 (English).
  4. ↑ a b Populus simonii. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed January 14, 2012 .
  5. ^ Revue Horticole; résumé de tout ce qui parait d'intéressant en jardinage ... , Paris quoted from Populus simonii. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed January 14, 2012 .

Web links

Commons : Birch Poplar ( Populus simonii )  - Collection of images, videos and audio files