मोथा (Cyperus rotundus L.)

Common Name : Purple nutsedge Family : Cyperaceae Habit: A perennial sedge. Stem: Hard, fragrant, globose-ovoid tubers, up to 1.2 cm long and 0.3-0.7 cm in diameter; culms solitary or few together, sparsely tufted, erect, 10-75 cm tall, 3-angled at top. Leaves: Narrowly linear, shorter or longer than stem, 0.4-0.8 cm wide, dark green above, pale beneath. Flowers: Inflorescence a simple or compound umbel, rays 2-8, each up to 7.5 cm long, bearing short spikes of 3-10 spreading, red-brown spikelets. Fruits: Nuts oblong to ovate-oblong, 3-sided, 1.3-1.5 mm long and 0.5-0.7 mm wide, maturing brown.

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