Caucasian rockcress
Caucasian rockcress | ||||||||||||
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Caucasian rockcress ( Arabis caucasica ) |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Arabis caucasica | ||||||||||||
Willd. ex DFKSchltdl. |
The Caucasian rockcress ( Arabis caucasica Willd .; Syn .: Arabis alpina subsp. Caucasica (Willd.) Briq. ) Is a species of the cruciferous family (Brassicaceae).
description
The Caucasian rockcress is an evergreen, perennial, herbaceous plant that reaches heights of 10 to 30 centimeters. It forms aboveground runners. The stem leaves and basal leaves are weakly serrated. They have two to five short teeth on each side and are tomentose with gray, star-haired hair. The petals are 11 to 14 millimeters long and suddenly contract into the nail.
The flowering period extends from March to May.
The number of chromosomes is 2n = 16.
Occurrence
The Caucasian rockcress occurs from North Africa and Southern Europe to Central Asia . The species grows in alpine rock corridors.
use
The Caucasian rockcress is widely used as an ornamental plant for rock gardens , as a ground cover and as a cut flower. It has been in culture since the early 19th century. The variety 'Plena' has double flowers, 'Sulphurea' has sulfur yellow flowers and 'Variegata' has yellow piebald flowers.
literature
- Eckehart J. Jäger, Friedrich Ebel, Peter Hanelt, Gerd K. Müller (eds.): Rothmaler - excursion flora from Germany. Volume 5: Herbaceous ornamental and useful plants . Spectrum Academic Publishing House, Berlin Heidelberg 2008, ISBN 978-3-8274-0918-8 , p. 243 .
Individual evidence
- ^ Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . 8th edition. Verlag Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3131-5 . Page 468.
Web links
- Caucasian rockcress. In: FloraWeb.de.
- Distribution map for Germany. In: Floraweb .
- Arabis alpina subsp. caucasica (Willd.) Briq. In: Info Flora , the national data and information center for Swiss flora . Retrieved October 29, 2015.
- Distribution of Arabis alpina subsp. caucasica in the northern hemisphere according to: Eric Hultén , Magnus Fries: Atlas of North European vascular plants 1986, ISBN 3-87429-263-0
- Thomas Meyer: Data sheet with identification key and photos at Flora-de: Flora von Deutschland (old name of the website: Flowers in Swabia )