Whisk mint

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Whisk mint
P1040245-Mentha-x-verticillata-most-alike.JPG

Whorl mint ( Mentha × verticillata )

Systematics
Family : Mint family (Lamiaceae)
Subfamily : Nepetoideae
Tribe : Mentheae
Sub tribus : Menthinae
Genre : Mints ( mentha )
Type : Whisk mint
Scientific name
Mentha × verticillata
L.

The whorl mint ( Mentha × verticillata ), also called whorl mint , is a natural hybrid of Mentha aquatica and Mentha arvensis from the plant genus of mint ( Mentha ) within the mint family (Lamiaceae).

description

The whisk mint is a perennial herbaceous plant and reaches heights of 20 to 90 centimeters. The plant parts smell of bergamot or peppermint . It fluctuates in all characteristics between those of the parents and is often not easy to distinguish from them. The mostly more numerous, longer and leafy runners can be used as an essential determination criterion.

The opposite leaves are about 4 centimeters long and oval to ovate-pointed, shallow and toothed at a distance.

Many flowers are in pseudo whorls in the leaf axils . The hairy flower stalks are 5 to 10 millimeters long. The flower is zygomorphic and five-fold with a double flower envelope . The calyx is 2 to 4 millimeters long, tubular, always hairy to the base, furrowed, its teeth are triangular-lanceolate and pointed. The crown is white, reddish lilac or pink, in the throat with a fringe of hair.

The flowering period extends from July to August. The plant is sterile, if it is fertile it is probably a backcross product with the parent species.

Occurrence

The whisk mint occurs wild in Europe. It thrives best on damp, nitrogen-rich loam or clay soils . It settles ditches, the edges of wet fields, swamp meadows , temporarily flooded sandy banks and not too dense stands of reed beds . In Germany it is widespread in East Saxony and Schleswig-Holstein, in all other federal states it has scattered occurrences.

literature

  • Whisk mint. In: FloraWeb.de. (Section description)
  • 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 .
  • 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 .
  • 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 .
  • Dietmar Aichele, Heinz-Werner Schwegler: The flowering plants of Central Europe . 2nd Edition. tape 4 : Nightshade plants to daisy plants . Franckh-Kosmos, Stuttgart 2000, ISBN 3-440-08048-X .

Web links

Commons : Quirl-Mint ( Mentha × verticillata )  - Collection of pictures, videos and audio files