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Pakistan | Family List | Pakistan V. 206 | Cyperaceae | Cyperus

25. Cyperus conglomeratus Rottb., Pl. Rar. Descr. 16. 1772; Rottb., Descr. & Icon.: tab. 15, Fig. 7. 1773; C.B.Clarke in Hook.f., Fl. Brit. Ind. 6: 87. 1893; R.R.Stewart, l.c. 87. 1972; Kukkonen in Rech.f., l.c. 117.

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.

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.

1 Plants 10-30 cm; stem 1.5-2.5 mm diam., terete; sheaths 40-120 mm, often reddish; inflorescence from a small anthelodium or globose head to multiple spike.   25a subsp. conglomeratus
+ Plants 40-80 mm; stem c. 1 mm diam., obtusely trigonous; sheaths to 20 mm, yellow brown or grey brown; inflorescence a cluster of spikes.   25b subsp. curvulus

Lower Taxa


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