Golden rockcress

from Wikipedia, the free encyclopedia
Golden rockcress
Golden rock cress (Arabis ciliata), illustration

Golden rock cress ( Arabis ciliata ), illustration

Systematics
Eurosiden II
Order : Cruciferous (Brassicales)
Family : Cruciferous vegetables (Brassicaceae)
Tribe : Arabideae
Genre : Goosecress ( Arabis )
Type : Golden rockcress
Scientific name
Arabis ciliata
Clairv.

The rock cress ( Arabis ciliata ) is a representative of the rock cress ( Arabis ).

description

The Doldige Cress is a perennial , herbaceous plant . It reaches heights of 6 to 30 cm. The leaves have protruding hairs, pressed double hairs are missing. The stem leaves have a rounded or narrowed base.

The sepals are around 2 mm long and often purple at the tip. The petals are 3.5 to 5 mm long and white. Flowering time is May to July, pollination takes place by insects or self-pollination .

The pod is protruding, compressed and 1.6 to 2.2 cm long and 1 to 1.3 mm wide. It sits on a 3 to 5 mm long stem. The fruit valves are flat, slightly bumpy above the seeds, the central vein is weak. The seeds sit in a row, so they protrude to the middle of the septum and form a longitudinal line. The seeds are not winged.

The species has chromosome number 2n = 16.

Herbarium evidence

Occurrence

The Doldige Gänsekresse comes in the Alps before spreading, in the foothills, it is rare. It grows on mats, in subalpine and alpine stone lawns and in fine rock rubble. It occurs preferentially on fresh, calcareous, stony soils in the montane to alpine altitude range . In the Allgäu Alps, it rises on the Great Thumb plateau in Bavaria to an altitude of 2200 meters.

In terms of plant sociology, it is a character species of the order Seslerietalia albicantis.

Their distribution area includes the Pyrenees, the Apennines, the Alps and other mountains in Central Europe and the Balkan Peninsula.

Taxonomy

Synonyms for Arabis ciliata Clairv. are Arabis arcuata Shuttlew. , Arabis corymbiflora Vest or Dollineria ciliata Saut.

literature

  • Siegmund Seybold (Ed.): Schmeil-Fitschen interactive . CD-ROM, version 1.1. Quelle & Meyer, Wiebelsheim 2002, ISBN 3-494-01327-6 .
  • Manfred A. Fischer, Karl Oswald, Wolfgang Adler: Excursion flora for Austria, Liechtenstein and South Tyrol . 3rd, improved edition. State of Upper Austria, Biology Center of the Upper Austrian State Museums, Linz 2008, ISBN 978-3-85474-187-9 .

Individual evidence

  1. ↑ a b Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . With the collaboration of Angelika Schwabe and Theo Müller. 8th, heavily revised and expanded edition. Eugen Ulmer, Stuttgart (Hohenheim) 2001, ISBN 3-8001-3131-5 , pp. 467 .
  2. ↑ Erhard Dörr, Wolfgang Lippert : Flora of the Allgäu and its surroundings. Volume 1, IHW, Eching 2001, ISBN 3-930167-50-6 , p. 594.
  3. ↑ Jaakko Jalas, Juha Suominen (ed.): Atlas Florae Europaeae. Distribution of Vascular Plants in Europe. 10. Cruciferae (Sisymbrium to Aubrieta). Akateeminen Kirjakauppa, The Committee for Mapping the Flora of Europe & Societas Biologica Fennica Vanamo, Helsinki 1994, ISBN 951-9108-09-2 , p. 196.

Web links

Commons : Rock cress ( Arabis ciliata )  - Collection of images, videos and audio files