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Perennial herb, up to 1 m high; robust, rhizomatous or tufted; culms firm, terete or obscurely 3-angled below inflorescence. Leaf blades absent; leaf sheaths straw-coloured or brown, very wide and prominent. Flowers: inflorescence compact or of several stalked clusters of spikelets, radiating from stem apex with 3 suberect, rigid and leaf-like basal bracts, inconspicuous or up to ± 30 mm long; spikelets flattened, 2-3(-4) mm wide; glumes and nutlets abscising individually leaving a persistent rachilla; anthers lacking crests; style branches 3; glumes many per spikelet, chestnut-brown with pale margins; Oct.-Feb.
Rhizomatous or tufted, erect perennial, up to 1(-1.5) m tall. Leaf blades absent. Stem cylindrical, ± 2 mm diam. at middle. Inflorescence occasionally viviparous, compact or of several stalked clusters of spikelets, radiating from stem apex with 3 suberect, rigid and leaf-like basal bracts, inconspicuous or up to ± 30 mm long. Spikelets flattened, 2-3(-4) mm wide, glumes chestnut-brown with pale margins.
A fairly robust, tussocky, perennial herb, up to 0.8 m high. Leaf blades absent at least on some culms. Leaf sheaths straw-coloured or brown, very wide and prominent. Glumes whitish but often with reddish brown below.
A sedge. It keeps growing from year to year. It grows 60 cm tall. Usually it does not have leaves. It forms tufts. The spikes are brown with pale edges.
Leafless perennial to 60 cm. Spikelets chestnut-brown with pale margins.
