Kobresia simpliciuscula

Two-piece Schuppensegge ( Kobresia simpliciuscula )

The two-piece Schuppensegge, even Two-piece shed Ried or Kobresie called ( Kobresia simpliciuscula ( Wahlenb. ) Mack., Syn. Kobresia caricina, Kobresia bipartita ) is a plant of the genus shed harrows in the family of sour grass plants. It was first described in 1803 simpliciuscula valid by the Swedish botanist Göran Wahlberg as Carex.

Description

The species is hardy and grows in lawns. The stems are rigidly erect, 3-20 ( 30) cm high and about 1 mm thick, smooth or only slightly rough above, nearly terete or obscurely triangular. The leaf sheaths are light brown and dull. The leaf blades are narrow, wide to about 2 mm shorter than the stems and rough at the edges. The inflorescence is terminal, 1-3 cm long and composed of densely packed spikes, each of which is reassembled from several spikelets. These are female at the base, in the upper part male. The bract of the lowest spike often has a leaf -like tip and is as long as the ear. The bracts of the single-flowered spikelets are about 4 mm long, keeled, red-brown and white-skinned on the edge. The male flowers contain three stamens. The female flowers contain 3 scars. The fruit is stachelspitzig the stylus rest and about 3 mm long. The chromosome number is 2n = 70-75.

The plant flowers from July to August.

Occurrence

The two-piece Schuppensegge occurs in source corridors, fens, on gravel bars, on sickernassen, calcareous gravel or sand bottoms. She is a Kennart of Kobresietum simpliciusculae and thrives in the Alps at altitudes 1300-2620 m. Its distribution area is limited to the northern hemisphere, ranging from Northern Europe, the Pyrenees, the Alps and the Carpathians to Central Asia, Siberia, to Greenland and North America.