Awn bedstraw

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Awn bedstraw
Galium aristatum flowering plant 001.JPG

Awn's bedstraw ( Galium aristatum )

Systematics
Order : Enzianartige (Gentianales)
Family : Red family (Rubiaceae)
Subfamily : Rubioideae
Tribe : Rubieae
Genre : Bedstraws ( Galium )
Type : Awn bedstraw
Scientific name
Galium aristatum
L.

The Galium Aristatum ( Galium aristatum ) is a plant of the genus Galium ( Galium ) within the family of Rubiaceae (Rubiaceae).

description

The awn bedstraw grows as a deciduous, perennial herbaceous plant and reaches heights of 20 to 60, rarely up to 80 centimeters. It does not form runners . The stem is consistently square, coarse, not bluish frosted, grass-green, individually standing and upright. Six to eight leaves are whorls together. The leaf blade is 4 to 6.5 centimeters long and 3 to 5 millimeters wide, widest in the middle or above the middle, lanceolate, gradually pointed, without a distinct vein network, blue-green underneath and rough on the edge.

The flowering period extends from June to August. The corolla has a diameter of 2 to 4 millimeters. The petals are rounded and have an awning tip.

The fruit is smooth and bare.

The number of chromosomes is 2n = 22.

Occurrence

The awn bedstraw occurs in the Pyrenees and the Alps. In Central Europe it populates deciduous and mixed deciduous forests, preferably in the middle altitudes of the Central European Alps ; it also occurs occasionally in the foothills of the Alps east of the Iller . In the Limestone Alps it occurs scattered in the Northern Limestone Alps, it is probably more common than in the southern. It rises to the tree line . It occurs mainly in societies of the Carpinion association, also the sub-association Cephalanthero-Fagenion and the order Origanetalia.

Awn's bedstraw thrives best on calcareous , nutrient - rich , shallow, stony loam soils .

literature

  • Otto Schmeil, Jost Fitschen (greeting), Siegmund Seybold: The flora of Germany and the neighboring countries. A book for identifying all wild and frequently cultivated vascular plants. 95th completely revised u. exp. Edition. Quelle & Meyer, Wiebelsheim 2011, ISBN 978-3-494-01498-2 .
  • Eckehart J. Jäger (ed.): Excursion flora from Germany. Vascular plants: baseline . Founded by Werner Rothmaler. 20th, revised and expanded edition. Spektrum Akademischer Verlag, Heidelberg 2011, ISBN 978-3-8274-1606-3 .
  • Henning Haeupler , Thomas Muer: picture atlas of the fern and flowering plants of Germany (= the fern and flowering plants of Germany. Volume 2). 2nd, corrected and enlarged edition. Published by the Federal Agency for Nature Conservation. Ulmer, Stuttgart 2007, ISBN 978-3-8001-4990-2 .
  • Dietmar Aichele, Heinz-Werner Schwegler: The flowering plants of Central Europe. 2nd Edition. Volume 5: Swan flower plants to duckweed plants , Franckh-Kosmos, Stuttgart 2000, ISBN 3-440-08048-X .

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.  765 .
  2. ↑ Rafaël Govaerts (Ed.): Galium aristatum. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved June 4, 2020.

Web links

Commons : Awn's bedstraw ( Galium aristatum )  - Collection of images, videos and audio files