It is perennial sedge 15-100 cm tall with a short creeping rootstalk. The 4-8 mm broad leaves are commonly green, with no gray-blue hue. The flower spikes are 3-8 cm long and around 1.5 cm thick, supported by short peduncles below the staminate. Follicles are at the bias to the spike stem.
This sedge is common and widespread on shorelines, in low moors, swamped meadows, and ditches. It often forms vast sedge beds along shores and in swamped flood plains of forest streams. It flowers in May-June.
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