Botanical name: Cyperus nutans Family: Cyperaceae (Sedge family)
Drooping Sedge is an erect, single, perennial herb. with rhizome short, corm-like; stems 2-3 ft tall, trigonous, triquetrous below the inflorescence. Leaves are few, basal, 16-30 x 0.8-1.5 cm, linear, pointed, scabrous on upper margins, somewhat leathery; sheaths 10-20 cm long, reddish-brown. Inflorescence is compound, 10-40 x 10-20 cm, lax, ultimate branches spike-like; leafy bracts 4-6, very unequal, the longest upto 30 cm long. Spike is loose, penicillate. Spikelets 6-12 x 1-1.5 mm, linear, near round, light brown; rachilla winged, wings hyaline. Glumes are 2-2.5 x about 1 mm, oblong-blunt. Nut is 1-1.5 x 0.5 mm, oblong to ovate-oblong, triquetrous, apiculate, brown. Drooping Sedge is widely found across the world, from Tropical Africa, Asia to N. Australia, near water margins. Flowering: April-October.
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The flower labeled Drooping Sedge is ...