Speed field award
| Speed field award | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Field speedwell ( veronica arvensis ) |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Veronica arvensis | ||||||||||||
| L. |
The field speedwell ( Veronica arvensis ) is a species of plant in the plantain family (Plantaginaceae).
description
The field speedwell is an upright, annual overwintering, herbaceous plant that reaches heights of 3 to 25 cm. The light green plant has a creeping habit, but the stems are not rooted. The stem has short, frizzy hair with a few long hairs in between. The alternate leaves are ovate, much longer than wide, 5 to 15 mm long and gradually get smaller towards the top. The leaf margin is notched flat.
The flowers sit individually in leaf axils. The flower stalks are less than half the length of the calyx. Their light blue petals are only open in the morning. The stylus are about 0.4 to 0.8 mm long. The capsule fruit is deeply pointed.
The species chromosome number is 2n = 14 or 16.
ecology
The field speedwell is an annual, summer annual plant and an archaeophyte in our country .
The pollinators of the flowers are related to bees. The flowering period extends from March to July.
The infructescence is elongated after flowering. The fruit flaps are spread out flat when wet. The capsule fruit is a raindrop ballist. The shield-shaped seeds are up to 1 mm long and 50–80 mg in weight; they spread as rainworms, in addition to which they spread randomly through the intestines of cattle.
The field speedwell is important as a ground cover in spring drought against soil drying out.
Occurrence
The field speed award occurs all over Germany on sandy, loamy fields, in ruderal areas, on lawns and dry meadows and on the edges of forests. It is a weak Sedo-Scleranthetea class character in Central Europe, but also occurs in gappy Festuco-Brometea or Arrhenatheretalia societies.
In the Allgäu Alps, it climbs up to 1720 m above sea level at the hut in the Vorderen Traufbergalpe near Spielmannsau in Bavaria.
literature
- Stefan Eggenberg, Adrian Möhl: Flora Vegetativa , Bern 2007, ISBN 978-3-258-07179-4 .
- Ruprecht Düll , Herfried Kutzelnigg : Pocket dictionary of plants in Germany and neighboring countries. The most common Central European species in portrait. 7th, corrected and enlarged edition. Quelle & Meyer, Wiebelsheim 2011, ISBN 978-3-494-01424-1 .
Individual evidence
- ↑ a b Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . 8th edition. Stuttgart, Verlag Eugen Ulmer, 2001. Page 840. ISBN 3-8001-3131-5
- ↑ Erhard Dörr, Wolfgang Lippert : Flora of the Allgäu and its surroundings. Volume 2, IHW, Eching 2004, ISBN 3-930167-61-1 , p. 453.
Web links
- Speed field award. In: FloraWeb.de.
- Speed field award . In: BiolFlor, the database of biological-ecological characteristics of the flora of Germany.
- Veronica arvensis L. In: Info Flora , the national data and information center for Swiss flora . Retrieved March 7, 2016.
- Distribution in the northern hemisphere
- Thomas Meyer: Ehrenpreis data sheet with identification key and photos at Flora-de: Flora von Deutschland (old name of the website: Flowers in Swabia )
