Tall Zypergrass

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Tall Zypergrass
Tall Sedge Grass (Cyperus longus)

Tall Sedge Grass ( Cyperus longus )

Systematics
Commelinids
Order : Sweet grass (Poales)
Family : Sourgrass family (Cyperaceae)
Subfamily : Cyperoideae
Genre : Sedge grass ( Cyperus )
Type : Tall Zypergrass
Scientific name
Cyperus longus
L.

The tall cypergrass ( Cyperus longus ), also called Langes Zypergras , is a species of plant within the sour grass family (Cyperaceae).

description

illustration
inflorescence
Spikelets
Habitus
Spikelets with a broad-winged rachis

Vegetative characteristics

The tall Zypergras grows as a perennial herbaceous plant and reaches heights of 70 to 130, rarely up to 190 centimeters. It forms long, thick runners . The smooth stem is triangular with recessed sides. The simple leaves are up to 4, rarely up to 5 millimeters wide and mostly shorter than the stem.

Generative characteristics

Below the inflorescence there are usually three to six bracts, the lowest bract is often 50 to 60 centimeters long. The inflorescence is a six to ten-pointed spiral . Individual spiral branches are up to 35 centimeters long. The spikelets are 10 to 25 millimeters long, light brown to brown and 12 to 30 flowered. There are three scars. The husks are dark brown with light skin margins, with a green central nerve.

The fruit is red-brown to black, sharp, triangular and with a spiked tip about 1 millimeter long.

The number of chromosomes is 2n = 14 or about 120.

Systematics and distribution

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The first publication of Cyperus longus was in 1753 by Carl von Linné in Species Plantarum , 1, p. 45.

Of Cyperus longus there are two subspecies:

  • Cyperus longus subsp. badius (Desf.) Bonnier & Layens (Syn .: Cyperus badius Desf. ): It occurs from Macaronesia to India and Madagascar.
  • Cyperus longus subsp. longus : It occurs from Europe to the Indian subcontinent and in Africa.

Common names

The other German-language trivial names exist or existed for the high Zypergras : European Cyperwurzel, Long Cyperwurzel, Angular Zypergras, Wilder Galgan (t) or Wilde Galangal Root.

literature

  • 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 .
  • 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 .
  • 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 .

Individual evidence

  1. ↑ Cyperus longus L. sl, Langes Zypergras. In: FloraWeb.de.
  2. ↑ Cyperus longus at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
  3. ↑ Cyperus longus at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed October 26, 2016.
  4. ↑ a b c Rafaël Govaerts (Ed.): Cyperus longus. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved August 19, 2018.
  5. ^ Georg August Pritzel , Carl Jessen : The German folk names of plants. New contribution to the German linguistic treasure. Philipp Cohen, Hannover 1882, p. 125 ( online ).

Web links

Commons : Hohes Zypergras ( Cyperus longus )  - Collection of images, videos and audio files