Carex flacca

Blue-green sedge ( Carex flacca )

The blue-green sedge ( Carex flacca, synonym (taxonomy ) | syn. Carex glauca ), also known as Flabby sedge, blue sedge or, in older works, even Sea Green called Rush, a species of Various aged men sedges is within the family of the Sedge family ( Cyperaceae ).

Description

The blue-green sedge grows as a perennial herbaceous plant, reaching heights of growth of about 20 to 50, rarely up to 80 centimeters. has long streamers The upright stem is smooth, blunt triangular and leafy only in the lower part. The stem leaves are bluish green, especially on the bottom, about 2 to 5 mm wide, stiff and rough on the edge. The basal leaf sheaths are strong and coarse slashed.

It flowers mainly from April to June. The blue-green sedge is one of the Miscellaneous aged men sedges, in which the spikelets are designed differently. The upper or top almost always contain at only male flowers, while the lower or lower contain almost always female. The entire inflorescence has a length of about 5 to 15 cm. Mostly a inflorescence has one to three male and two to three female spikelets. These are removed are cylindric shaped, stalked last long and pendulous. The lemmas are colored pointed and dark brown. The fruit hoses are ellipsoidal, truncated at a length of 3 to 4.5 mm, and often possess an outwardly curved tip. They are flattened, curved, dark brown to black colored, bristly ciliate, nerveless and without distinct beak.

Ecology

Asexual reproduction occurs by thick, creeping underground runners. The sheets obtained by a stronger wax coating their blue-green color.

The utriculi propagate as Regenschwemmling; also spread by earthworms was observed.

Occurrence

The blue-green sedge is a Eurasian- sub-oceanic sub-Mediterranean Florenelement. Carex flacca comes across Europe, Asia Minor and Syria, Iran, North Africa and introduced in North and Central America before. In Central Europe it spread and most frequently occurring. In Austria and Switzerland it is one of the most common sedge species.

The blue-green sedge is common in Germany in the entire area and most frequently encountered in particular in the limestone areas. In the Alps, it rises to altitudes of about 1950 meters.

The blue-green sedge grows on wet meadows, dry grassland, in fens and in open woods. She prefers more or less moist, mostly calcareous soils.

Others

The blue-green sedge tends to many deformities and different forms, which are mutually in turn connected by transitions.

Your tough leaves are used from time to time as Bastersatz for tying of Nutzsträuchern.