Field toadflax

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Field toadflax
Field toadflax (Linaria arvensis), illustration

Field toadflax ( Linaria arvensis ), illustration

Systematics
Asterids
Euasterids I
Order : Mint family (Lamiales)
Family : Plantain family (Plantaginaceae)
Genre : Flax ( Linaria )
Type : Field toadflax
Scientific name
Linaria arvensis
( L. ) Desf.

The field-Leinkraut ( Linaria arvensis ) is a plant of the genus linaria ( Linaria ). Other common names are Heidenflachs and Blauer Orant.

description

Habitus
inflorescence
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Vegetative characteristics

The field toadflax is an annual herbaceous plant and reaches heights of 15 to 30 centimeters.

Generative characteristics

The flowering period is between June and August. The inflorescence is glandular with only short flower stalks. The hermaphrodite flowers are zygomorphic with a double flower envelope . The crown is 1 to 3 millimeters long without the spur . The petals are blue-purple and the lower lip ridges are whitish and veined blue. The upper lip is deeply split and erect.

The number of chromosomes is 2n = 12.

Ecology and hazard

Field toadflax is a therophyte . Field toadflax is self-pollinating. The seeds are spread by the wind.

Occurrence

Field toadflax is common in the Mediterranean region and in southern, western and central Europe. In particular, it also grows in the Alps and in the Alpine foothills , where it is considered an archaeophyte . In Germany it is considered to be critically endangered.

The field toadflax usually thrives on sandy to loamy fields and avoids lime. In Central Europe it is a species of the order Polygono-Chenopodietalia, but also occurs in Secalietea societies.

Taxonomy

The first publication took place in 1753 under the name ( Basionym ) Antirrhinum arvense by Carl von Linné . The new combination to Linaria arvensis (L.) Desf. was published in 1798 by René Louiche Desfontaines .

literature

  • Rudolf Schubert , Klaus Werner, Hermann Meusel (eds.): Excursion flora for the areas of the GDR and the FRG . Founded by Werner Rothmaler. 13./14. Edition. tape 2 : vascular plants . People and knowledge, Berlin 1987, ISBN 3-06-012539-2 , pp. 394 .

Individual evidence

  1. ↑ a b c d e Linaria arvensis (L.) Desf., Field toadflax. In: FloraWeb.de.
  2. ^ Georg August Pritzel , Carl Jessen : The German folk names of plants. New contribution to the German linguistic treasure. Philipp Cohen, Hannover 1882, page 34. online.
  3. ↑ 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.  829-830 .

Web links

Commons : Field toadflax ( Linaria arvensis )  - album with pictures, videos and audio files