Achnatherum bromoides

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Achnatherum bromoides
Systematics
Commelinids
Order : Sweet grass (Poales)
Family : Sweet grasses (Poaceae)
Subfamily : Pooideae
Genre : Achnatherum
Type : Achnatherum bromoides
Scientific name
Achnatherum bromoides
( L. ) P.Beauv.

Achnatherum bromoides , also known as Kurzgranniges awl grass in German, is a species of the genus Achnatherum in the sweet grass family(Poaceae).

features

The short-awned awl grass ( Achnatherum bromoides ) is a perennial plant that reaches heights of 1 meter. The species is glabrous and has a creeping rhizome . The ligula is inconspicuous. The leaf tips are gray-green, rolled and thread-like, their upper side is rough. The panicle is elongated, reaches up to 30 centimeters and has only a few spikelets . The glumes are more or less the same, white-green, lanceolate and three-veined. The lemma is hairy and 6 to 8 millimeters long. The awn is rough, straight, not twisted and 12 to 18 millimeters long.

The flowering period extends from May to August.

The number of chromosomes is 2n = 18 or 24. It is also called the number 2n = 28.

Occurrence

Achnatherum bromoides occurs from Hungary and the Mediterranean area to Iran. The species grows in open bushes, maquis and on rocky sites. It is missing in Germany, Austria and Switzerland. In South Tyrol it was found on limestone rocks near Mezzocorona , but has been lost there. It occurs on Lake Garda between Malcesine and Torbole , and also near Bolzano . It is rare in Slovenia. In Trieste she has her northernmost occurrence in the Adriatic area.

Systematics

The species was first described by Linnaeus in 1767 as Agrostis bromoides L. It is now known as Achnatherum bromoides (L.) P. Beauv. placed in the genus Achnatherum .

Individual evidence

  1. ^ Tropicos. [1]
  2. ↑ Rafaël Govaerts (ed.): Achnatherum bromoides. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved January 25, 2016.

literature

  • Harald Kürschner, Thomas Raus, Joachim Venter: Plants of Turkey. Aegean Sea - Taurus - Inner Anatolia . Quelle & Meyer, Wiesbaden 1995, ISBN 3-494-01222-9
  • Valdés, B. & Scholz, H .; with contributions from Raab-Straube, E. von & Parolly, G. (2009): Achnatherum bromoides . In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
  • Hans Joachim Conert: Stipa . In: Gustav Hegi : Illustrated flora of Central Europe . 3rd ed., Volume I, Part 3, pages 396-426. Paul Parey Publishing House, Berlin, Hamburg, 1992. ISBN 3-489-52520-5