Koeleria macrantha
Petite Schiller grass ( Koeleria macrantha )
The Dainty Schiller Schiller grass or steppe grass ( Koeleria macrantha ) is an indigenous plant species in Central Europe of the family Gramineae ( Poaceae ).
Features
The Dainty Schiller grass is a perennial plant that is gray-green loose clumps. The renewal shoots are individually and grow up within the leaf sheaths. Only rarely short, then underground runners are formed. The stalks are 10 to 70 cm high. You are bald, occupied more than below the panicle and the node with short hair.
The leaf sheaths are to the renewal shoots densely hairy and soaked, or the hair is long and projecting. Rare, only the lower leaf sheaths are hairy. The leaf sheaths of Halmblätter are usually covered with short and soft. The ligule is formed as a membranous fringe of about 0.5 mm in length. The leaf blade is rolled up, about 18 cm long and has a diameter of 0.5 to 1 mm. It can also be extended, then the width is 1 to 2, often up to 3 mm. At both edges she is busy with protruding, about 1 mm long hairs.
The panicle is 6 to 12, rarely up to 20 cm long. It is tightly pulled together and cylindric and its width is 5 to 30 mm. It is easily spread in the heyday. In the lower part, it may be lobed or interrupted, in the upper part it is narrowed. The spikelets are 2 - to 4blütig and 4.5 to 5 mm long. The florets fall seed maturity individually from the glumes. The glumes are unequal. They are glabrous, lanceolate and pointed. The lower is einnervig and 3.5 to 4 mm long, the upper three is annoying and 4 to 4.5 mm long. The lemmas are three annoying and 3.5 to 5 mm long and lanceolate. They are tapered or wear a Grannenspitze. The lower part is smooth, the upper rough. The palea of equal length as the lemmas. The anthers are 2 mm long. Bloom time is June and July, more rarely into August. The fruit is 2.5 to 3 mm long.
The chromosome number is 2n = 14, 28
Dissemination and locations
The Dainty Schiller grass comes in America in subtropical subalpine areas, and circumpolar in the meridional to temperate zone before, the continentality ranges from c2 to c8 ( 10 ). In Australia, there may be a neophyte.
The Dainty Schiller grass comes in Germany up to the foothills stage scattered before. Only in the warmer regions it is more common here. It grows in nutrient-poor grasslands, bushy hillsides to, in dry meadows, on Wegrainen, forest edges and in pine forests. It is a light to partial shade plant, it indicates dryness and thinness of the soil. Phytosociological it is a Klassenkennart the dry and semi-dry grasslands ( Festuco - Brometea ), and the pine forests dry calcareous layers ( Erico - Pinion ).
In Austria it comes from the colline to the montane zone before. The Pannonian region is frequently, otherwise rare. In East Tyrol and Vorarlberg is missing, as in Liechtenstein. In the Alps, the Bohemian Massif, the northern and south-eastern foothills of the Alps, it is classified as endangered. The locations of dry grasslands and steppe grass can be specified.
Taxonomy
Synonyms of Koeleria macrantha are Aira cristata L., Koeleria cristata (L. ) Pers., Koeleria gracilis Pers., Koeleria cristata subsp. gracilis ( Pers.) Beck.