It is perennial sedge 40-150 cm tall with creeping arched rootstalks, often coming in thick tussocks. The flower spikes are 7 cm long, below the staminate. The sedge’s stem and, particularly, leaves are acutely scabrous – very easy to get cut with. The skin of the leaf is saturated with silicon, and its smallest particles providing for the cutting properties.
It is common and widespread in swamped meadows, bogs and shorelines, often forming thickets. It flowers in May-July.
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