Orange-flowered pea bush

from Wikipedia, the free encyclopedia
Orange-flowered pea bush
Caragana aurantiaca kz03.jpg

Orange-flowered pea bush ( Caragana aurantiaca )

Systematics
Order : Fabales (Fabales)
Family : Legumes (Fabaceae)
Subfamily : Butterflies (Faboideae)
Tribe : Galegeae
Genre : Pea bushes ( Caragana )
Type : Orange-flowered pea bush
Scientific name
Caragana aurantiaca
Koehne

The orange-flowered pea bush ( Caragana aurantiaca ) is an orange-yellow flowering shrub and a representative of the butterflies (Faboideae). The natural range of the species is in Asia. It is rarely used as an ornamental shrub .

description

The orange-flowered pea bush grows as a slightly branched shrub with greenish-brown to dark-gray, shiny bark and reaches a height of 1 meter. The branches are numerous, thin, initially upright and later protruding over-sloping. The leaves are divided into four leaflets . The petiole and spindle grow 3 to 5 millimeters long on long branches and often withered; however, they lack short branches. The leaflets are 4 to 16 millimeters long and 1 to 2 millimeters wide, linear to lanceolate-linear, sickle-shaped and glabrous. The top is light green, the bottom is slightly lighter than the top. The stipules verdornen.

The butterfly flowers stand individually on 6 to 9 millimeter long stems. The calyx is 6 to 7 millimeters long and bell-shaped. The corolla is orange yellow and 1,8 to 2 centimeters long. The flag is rounded, with a rounded or edged tip. The plate is three to four times longer than the nail . The wings are narrow and elongated, the nail is half as long as the plate. The nail of the boat is shorter than the plate, the auricles are short. The ovary is bare. The legumes are 2.5 to 4 inches long, cylindrical, somewhat compressed and glabrous. The orange-flowered pea bush flowers from June to July, the fruits ripen in August.

The number of chromosomes is 2n = 16.

Occurrence and location requirements

The natural range of the orange-flowered pea bush is in Afghanistan, in the Republic of Altai in Russia, in Kyrgyzstan , Uzbekistan , in the Chinese autonomous region of Xinjiang and in Pakistan. It grows in steppes and dry forests at an altitude of about 1000 meters on dry to fresh, weakly acidic to strongly alkaline, sandy, sandy-gravelly to sandy-loamy, nutrient-rich soils in sunny to light-shaded locations. The species is sensitive to moisture, loves warmth and is usually frost hardy.

Systematics

The orange-flowering peas bush ( Caragana aurantiaca ) is a kind of the genus of caragana ( Caragana ) in the family of the Leguminosae (Fabaceae). There it is assigned to the tribe Hedysareae in the subfamily of the butterflies (Faboideae). Koehne first described the species in 1893 . The generic name Caragana is derived from the Middle Turkish word "qaraqan", which describes a pea bush, the epithet aurantiaca means orange-red.

use

The orange-flowered pea shrub is used as an ornamental shrub because of its decorative flowers , but is rather rare.

proof

literature

  • Wu Zheng-yi, Peter H. Raven, Deyuan Hong (Eds.): Flora of China . Volume 10: Fabaceae . Science Press / Missouri Botanical Garden Press, Beijing / St. Louis 2010, ISBN 978-1-930723-91-7 , pp. 541 (English).
  • 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. 157.
  • Jost Fitschen: Woody flora . 12th, revised and expanded edition. Quelle & Meyer, Wiebelsheim 2007, ISBN 3-494-01422-1 , p. 386 .
  • Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Nikol, Hamburg 2005, ISBN 3-937872-16-7 (reprint from 1996).

Individual evidence

  1. ↑ German name after Roloff et al .: Flora der Gehölze , p. 157 and Fitschen: Gehölzflora , p. 386
  2. ↑ a b c d Mei-chen Chang, Lien-ching Chiu, Zhi Wei, Peter S. Green: Caragana aurantiaca , in: Wu Zheng-yi, Peter H. Raven, Deyuan Hong (eds.): Flora of China . Volume 10: Fabaceae . Science Press / Missouri Botanical Garden Press, Beijing / St. Louis 2010, ISBN 978-1-930723-91-7 , pp. 541 (English).
  3. ↑ a b c d Roloff et al .: Flora der Gehölze , p. 157
  4. ↑ a b Caragana aurantiaca. In: Germplasm Resources Information Network (GRIN). United States Department of Agriculture, accessed April 8, 2012 .
  5. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 126
  6. ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 86

Web links

Commons : Caragana aurantiaca  - collection of images, videos and audio files

Caragana aurantiaca. In: The Plant List. Retrieved April 8, 2012 .