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

5. Carex otrubae Podpera, Publ. Fac. Univ. Masaryk (Brno). 12: 15. 1922; name assigned for C. contigua x vulpina); Kukkonen in Rech.f., Fl. Iran. 173: 179. 1998.

C. nemorosa Rabent., Prodr. Fl. Neomarch.: 21. 1804, non Schrank, Beier. Fl. 1: 291. 1789, nec Lumn. in Honck., Syn. Pl. Germ. 1: 355. 1792. C. compacta auct., non Lam., V. Krecz. in Shishkin, Fl. URSS 3: 151. 1935. C. subvulpina Senay in Bull. Mus. Hist. Nat., Sér. 2, 17: 444. 1945.

Perennial, 30-110 cm, with short horizontal or slightly ascending rhizome. Stem 1-2.5 mm diam., sharply trigonous, sides concave, smooth or scabrous above, grooved. Leaves 1/2-3/4 of stem length; sheaths 20-80 mm, oldest dark grey, fibrous, younger yellowish to light brown, margin of scarious side oblique or protruding; ligule white, scarious, to 1.5 mm, arch of attachment high, twice or more its width; blades 2.5-6 mm wide, flat, or slightly recurved, rather rigid, smooth but apex scabrous along margins and mid-vein below, adaxial side more or less papillose. Inflorescence 15-50 mm, of 4-8 spikes, most overlapping, androgynous, sessile or lowest pedunculate and re-branched. Bracts up to 5, narrow, green, equal to or longer than their spike, lowest frequently equalling or even overtopping the inflorescence. Spikes 8-15 mm, globular or somewhat elongate; glumes 3-3.7 x 1.5-1.6 mm, triangular to ovate, acute or acuminate, arista to 0.6 mm; utricles 3.7-4.3 x 1.4-2.1 mm, plano-convex, ovoid, yellow-green, later grey-brown, obscurely or at least abaxial side clearly nerved, narrowly winged to the base, base somewhat suberous, beak 1-1.5 mm, deeply and sharply bidentate, wings scabrous, green. Nut 2 x 1.5 mm, incl. c. 0.2 mm style base and c. 0.2 mm stipe, bi-convex, almost spherical, yellow or yellow-brown, glossy, obscurely reticulate.

Fl. & Fr.: April - June.

Type: Described from Czech Republik.

Wet, marshy meadows, along lake shores, streams, and ponds; Distribution: Europe, Eastwards to Iran, Kopet Dagh, Tian Shan Mts., Tadjikistan and Pakistan.


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