Club-Spike Sedge
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Club-Spike Sedge
P Native Photo: Sunit Singh
Common name: Club-Spike Sedge
Botanical name: Carex clavispica    Family: Cyperaceae (Sedge family)
Synonyms: Kobresia duthiei

Club-Spike Sedge is a perennial grass-like herb with stems densely clustered, stiffly erect, nearly round, 4-20 cm tall, 0.6-1.2 mm in diameter. Leaves are basal, shorter than stems; blade flat, 1.4-2.3 mm wide, midrib distinct below. Flowers are borne in spikes, greenish or pale brown, linear or linear-oblong, 1-5 x 0.2-0.4 cm, dense; all spikelets bisexual, occasionally male flowers reduced; lowest involucral bract glumelike, tip pointed or aristate. Spikelets are usually 2-flowered, basal one female, distal one male. Glumes are pale brown laterally, with green midvein, ovate, 2-4.5 x 1.5-2.6 mm; male glume 2.3-3.6 mm. Nutlets are pale brown, narrowly oblong, trigonous, 1.9-2.8 (excluding beak) x 0.6-0.9 mm, beak 0.5-1.5 mm, protruding from prophyll when mature. Club-Spike Sedge is found in bare mossy peat, wet and open marshes, exposed and dry rocky ridges, grassy slopes, in the Himalayas and S. Central China, at altitudes of 3600-4600 m. Flowering: May-September.

Identification credit: Sunit Singh, Sajan Thakur Photographed in Rudarnath, Uttarakhand.

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