Black Himalayan Sedge
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Black Himalayan Sedge
P Native Photo: Thingnam Girija
Common name: Black Himalayan Sedge
Botanical name: Carex nigerrima    Family: Cyperaceae (Sedge family)

Black Himalayan Sedge is a tufted perennial grass-like herb, 40-60 cm. Flowers are borne in groups of 3-4 spikes. Bracts are equalling or overtopping inflorescence, with sheath to up 5 mm. Terminal spikes up to 2.4 cm, club-shaped, gynecandrous; other spikes 1.5-2.2 cm x 5-6 mm, ellipsoid or cylindrical, female or gynecandrous, flower-cluster-stalk up to 4.5 cm; female glumes 3.9-4.3 x 1.5-2 mm, ovate, pointed, dark reddish brown, papillose; utricles 4-4.2 x about 1.9 mm, elongate ellipsoid, yellowish or golden-brown, with reddish brown spots, glossy, papillose, beak 0.1-0.2 mm, cylindrical, flat, dark reddish brown. Stigmas 3. Stems are sharply trigonous, smooth or slightly rough above, papillose. Leaves are shorter than stem; sheaths 4-10 cm, reddish brown, strongly nerved, glossy, scarious side brown-spotted, margin concave; blades 2.5-3.5 mm wide, flat, keeled, margins curled, both sides papillose, margins and keel scabrous. Nut about 2.3 x 1.3 mm, including 0.4 mm persistent style base and a 0.1 mm stipe, widely obovoid, trigonous, light brown, netveined with papilla in each areole. Black Himalayan Sedge is found in high mountain meadows, at atitudes of 2800-5000 m, from Pakistan to West Himalaya. Flowering: July-August.

Identification credit: Tabish Photographed in Valley of Flowers, Uttarakhand.

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