Crow's foot lye flower
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Crow's foot lye flower ( Cotula coronopifolia ) |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Cotula coronopifolia | ||||||||||||
( L. ) |
The crow's foot lye flower ( Cotula coronopifolia ) is a species of lye flower ( Cotula ) within the daisy family (Asteraceae).
description
Vegetative characteristics
The crow's foot lye flower is an annual herbaceous plant and reaches heights of growth of 8 to 20, rarely up to 30 centimeters. The bare stems are lying or ascending and branched. The thick, somewhat fleshy leaves are elongated, lanceolate and deeply serrated to pinnate, rarely undivided.
Generative characteristics
On the long inflorescence shafts, the cup-shaped inflorescences stand individually and hang over before and after the anthesis . The cups have a diameter of 8 to 12 millimeters. The bracts are scale-shaped. Ray florets are absent. The tubular flowers are light yellow.
Chromosome number
The number of chromosomes is 2n = 20.
ecology
The crow's foot lye flower is a therophyte .
Occurrence
The crow's foot lye flower originally comes from southern Africa . In Central Europe, the crow's foot lye flower is a naturalized neophyte and the only species of the genus lye flowers found in Central Europe. In German-speaking countries, it occurs in the coastal areas of the North and Baltic Seas . The crow's foot lye flower occurs on wet ruderal and trodden salt areas. It occurs mainly in companies of the Bidention or Agropyro-Rumicion associations.
Common names
The other common German names Knoopke ( Ostfriesland ), Laugenblume (Oldenburg), Goldknöpfchen and Crow's footed lye flower exist or existed for the crow's foot lye flower.
literature
- Rudolf Schubert, Walter Vent (ed.) With the collaboration of Manfred Bäßler: Exkursionsflora for the areas of the GDR and FRG , Volume 4, Critical Volume, Verlag Volk and Knowledge Berlin 1982, page 549.
Individual evidence
- ↑ a b c d e crow's foot lye flower. In: FloraWeb.de.
- ↑ 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. 941 .
- ^ Georg August Pritzel , Carl Jessen : The German folk names of plants. New contribution to the German linguistic treasure. Philipp Cohen, Hannover 1882, p. 116. ( online ).
Web links
- Cotula coronopifolia L., crow's foot lye flower. In: FloraWeb.de.
- Crow's foot lye flower . In: BiolFlor, the database of biological-ecological characteristics of the flora of Germany.
- Thomas Meyer: Krähenfuß data sheet with identification key and photos at Flora-de: Flora von Deutschland (old name of the website: Flowers in Swabia )
- California Invasive Plant Council datasheet .
- Data sheet with photos at Flora Italiana by Schede di Botanica .
- Data sheet with photos at Flora On (Flora of Portugal).