Carex rostrata

Beak - sedge ( Carex rostrata )

The Beak - sedge ( Carex rostrata ) is a plant species of the family of the Sedge family ( Cyperaceae ). It is a common sedge wetlands.

Distribution and location

The Beak - sedge is in Europe, found in northern Asia and North America. It occurs in almost all of Germany. However, in the central German Plain it is rare. It grows mostly on waters edges oligo - mesotrophic lakes to where it often forms large sedge species-poor Riede. They can also be found in reed communities, in marshes, swamp forests and slow-flowing streams.

Description

The Beak - sedge is a clump -forming perennial, herbaceous plant that plant height of 25 to 80, sometimes reaching 100 cm. The blades are blunt-topped triangular, below, however, almost round. The narrow single-folded gray-green leaves are only 3 or 4 mm wide and have a triangular tip. The red-brown sheaths are not significantly netzfaserig. The bare leaf blades have characteristic stomata ( stomata ) on the leaf surface on ( epistomatisch ). Therefore, this appears slightly glossy.

The bracts of the female ears are short scheidig. The female ears sit at two to five in the upper stem half. They are short-stalked, are four times übergipfelt as long as wide, and are of the one male to four ears of corn. The egg-shaped, inflated, abruptly narrowed into the beak, to maturity also yellow -green colored tubes are available from almost horizontal and are much longer than the dull, reddish-brown husks. You are bald and are 4-6 mm long and are provided with two spreading beak teeth. Always enclose three scars. The sedge blooms in the period from June to July.

Fruit stand

Nuts

Ecology

The flowers of the plant are pollinated by the wind ( anemophily ). The buoyant seeds are spread through the water ( Hydrochorie ). The vegetative propagation via long streamers ( rhizomes).