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

57. Carex obscura Nees, Contr. Bot. India. 126. 1834; Boott, Ill. Gen. Carex 1: 192. 1858; C.B.Clarke, l.c. 731; R.R.Stewart, l.c. 81; Kukkonen in Rech.f., l.c. 278.

Perennial, 20-50 cm. Rhizome sturdy, ascending, scales grey or dark brown, disintegrating into fibres. Stem sharply trigonous, sides in upper part often concave, edges smooth or scabrous. Leaves equal to or overtopping stem; sheaths 20-50 mm, chestnut brown, disintegrating into fibres, margin of scarious side concave; ligule c. 0.3 mm, slightly arched; blades 3.5-4.5 mm wide, flat, keeled, margins slightly revolute, scabrous towards long-acuminate apex. Inflorescence of 1 male or gynecandrous spike and 3-6 female spikes below; bracts to much overtopping inflorescence, sheath-less; male glumes c. 3.9 x 2.4 mm, obovate or elliptic, dark reddish brown, apex rounded, mucronate and sometimes with a narrowly scarious margin; female spikes 10-32 x 4-5 mm, closely overlapping, cylindrical or ellipsoid, sessile or lowest remote with peduncle to 25 mm; female glumes 1.8-2.5 x 1.4-1.5 mm, elliptic, acute or with mucro up to 0.3 mm, dark reddish brown, papillose, occasionally scabrous; utricles 2.2-2.7 x 1-1.3 mm, ellipsoid to obovoid, obscurely nerved, yellowish green, papillose and occasionally scabrous, beak 0.2-0.3 mm, conical or cylindrical, truncate or shallowly bidentate, papillose, nerves scabrous. Stigmas 3. Nut 2.8 x 2 mm, incl. style base up to 0.3 mm, ellipsoid or obovoid, trigonous, yellowish brown, reticulate with papilla in each areole.

Type: Nepal, Royle 112 (K!).

Meadows in mountain slopes from 2500 to 3500 m; Distribution: From Chitral to Sikkim and Xizang.

Fl. Per.: April–August. Reported by R.R.Stewart (l.c. 81, 1972) from Chitral, Hazara and Kashmir. According to R. R. Stewart (l.c., 1972) this species is common in Pakistan (Chitral, Hazara) and Kashmir, but Dickoré (1995) does not record it from Kashmir.


 

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