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Perennials. Rhizomes short, hardened. Culms laxly tufted, 10-60 cm tall, acutely triquetrous, smooth, base swollen and with more leaves. Leaves shorter than to equaling culm; sheath brown to reddish brown; leaf blade 3-6(-8) mm wide, folded at basal part but apically gradually flattened, margin not scabrous. Involucral bracts 5-8, obliquely spreading, leaflike, longer than inflorescence. Inflorescence a simple or subcompound anthela; rays several, 6-12 or sometimes more, short or 6-14 cm, unequal in length, each with 1-5 spikes. Spikes cylindric, 1-2.5[-5] cm × 5-10 mm or sometimes narrower, with many dense spikelets. Spikelets narrowly linear-ovoid, 3-7 × ca. 0.7 mm or sometimes shorter, spreading to reflexed, each (1 or)2-or 3-flowered; rachilla wings white, lanceolate, broad, hyaline. Glumes yellow, yellowish green, or greenish, oblong, ca. 3 mm, veins several with middle 3 green and conspicuous, margin involute, apex obtuse and not mucronate. Stamens 3; anthers broadly linear, 0.8-1 mm; connective prominent beyond anthers. Style short; stigmas 3, slender. Nutlet straw-colored at first but dark brown when mature, narrowly oblong, 1.8-2.2 × ca. 0.5 mm, ca. 2/3 as long as subtending glume, 3-sided, minutely punctate. Fl. and fr. Apr-Dec. 2n = 82, 88, 134, 220, 224.
A tall sedge. It keeps growing from year to year. It has a short woody underground stem or rhizome. This has brown fibres over it. The stalks are erect and 3 sided. These grow in clumps and have grass like leaves and solid stalks. It is slender and 75 cm high. The leaves are soft and light green. They are 4 mm wide and have a distinct midrib. They taper to a point. The flowering stem is 2 mm across and has a ring of bracts below the flowering section. The spikelets are spreading and light colour. The flowering heads are 3-8 cm wide.
