Rispig blue loosestrife

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Rispig blue loosestrife
Systematics
Asterids
Euasterids I
Order : Mint family (Lamiales)
Family : Plantain family (Plantaginaceae)
Genre : Speedwell ( Veronica )
Type : Rispig blue loosestrife
Scientific name
Veronica spuria
L.

The panicle blue loosestrife ( Veronica spuria L. , Syn .: Pseudolysimachion spurium (L.) Opiz ) is a species of the plantain family (Plantaginaceae). Previously, he was in the genre of Blue Willow Riche asked but this is known today in the genre prize involved. The species is extinct in Germany.

features

The Rispige Blue loosestrife is a deciduous, rosette-free, perennial Geophyt with a Pleiokorm rhizome , the plant height of 50 to 120 centimeters achieved. The stem has moderately dense hairs at the top consisting of 0.1 to 0.2 millimeter long, downwardly curved glandless hairs. The foliage leaf blade is pointed and sharply serrate . In between there is usually longer hair that protrudes and is glandular. The fruit stalks are 2.5 to 5 millimeters long, which is more than 1.5 times the length of the bracts. They and the bracts are covered with very short glandular hairs that are only visible through a magnifying glass, loosely to moderately thick. The bracts are lanceolate and 1 to 3 millimeters long. In addition to the terminal cluster, there are usually 5 to 10 (rarely up to 12) clusters in the axils of the bracts, most of which are almost the same length. The stylus are 3 to 5 (rarely up to 6) millimeters long.

The flowering time is in July. The flowers are females and are pollinated by insects. The seeds spread by shock propagation.

The number of chromosomes is 2n = 34.

Occurrence

Rispige blue loosestrife grows in dry forest fringes in societies of the Geranion sanguinei association. The species is extinct in Germany, it used to be found near Wandersleben in Thuringia and near Freyburg, Halle and Halberstadt in Saxony-Anhalt.

In Austria it occurs only in Burgenland ( Eisenberg an der Pinka , Rohrbach near Mattersburg ) and is considered to be threatened with extinction nationwide. There are other deposits in Hungary on the Austrian border near Ágfalva and in Moravia in the White Carpathians . The species has a Pannonian-Pontic area.

literature

  • Eckehart J. Jäger, Klaus Werner (Ed.): Excursion flora from Germany . Founded by Werner Rothmaler. 10th edited edition. tape 4 : Vascular Plants: Critical Volume . Elsevier, Spektrum Akademischer Verlag, Munich / Heidelberg 2005, ISBN 3-8274-1496-2 .

Web links

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.  838 .
  2. ^ 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 .