Cyperus conglomeratus Rottb.

Tufted perennial, 4-30 cm. Rhizome short, producing tillers; roots tomentose (rhizo-sheath). Stem 1-2.5 mm diam., obtusely trigonous or terete, stiff, smooth or shallowly papillose, base sometimes slightly swollen. Leaves up to as long as the stem; sheaths 10-120 mm, stiff, yellow brown to dark brown, disintegrating into fibres, mouth margin concave; ligule 0; blades channelled, stiff, margins scabrous, apex acute or obtuse, scabrous. Inflorescence from a single spike to a small anthelodium; bracts longer than spike, foliose; spikes 7-20, c. 2-4 mm, compressed to almost terete, with glumes closely imbricating or latter rather lax; glumes cymbiform, mucronate, inner side often reddish, margins scarious. Stamens 3.

Distribution: Coastal regions from Egypt and Somalia to NW India, see Kukkonen, Fl. & Veget. Mundi 9: 67. 1991.

C. arundinaceus Forsk., Fl. Aegypt.-Arab.: CIII, Nr. 75. 1775. C. arcuatus Boeck. in Linnaea 35: 542. 1868. C. ensifolius Nees & Ehrenb. ex Boeck. in Linnaea 35: 545. 1868.

Cyperus conglomeratus is a species of sedge that is native to northern Africa, the Middle East and parts of western Asia.

The species was first formally described by the botanist Christen Friis Rottbøll in 1773.