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Cyperus articulatus
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Family:
CYPERACEAE
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Citation: Cyperus articulatus L., Sp. Pl. 44. 1753; Hook. f., Fl. Brit. India 6: 611. 1893; Gamble, Fl. Pres. Madras 1641(1140). 1931; Rejani, Cyperac. Kerala 136. 1991; Joseph, Aquatic Angiosp. Malabar 309. 1991.
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Malayalam Name(s):
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Tamil name(s):
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English name(s):
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Description:
Perennial, 1-2 m. Stolons, e.g. 3 mm diam., covered by brown or reddish-brown scales, longer than internodes. Stem 4-8 mm diam., terete or obtusely trigonous, green or greyish green, "noded" by transversal internal tissue plates. Leaves reduced; sheaths to 40 cm, soft, yellowish-brown or often reddish, mouth oblique; blades of uppermost sheaths up to 30 mm. Inflorescence a compound anthelodium, 9-16 cm; bracts to 9-30 mm, upright, rigid; primary branches 7-15, up to 12 cm; secondary anthelodia 15-50 mm, with bracts to 8 mm, secondary branches up to 20 mm; cluster of spikes of 5-14 spreading spikes, globular or slightly elongated, greyish green or brown; spikes 5-25 x c.1.5 mm, slightly compressed, with 8-24 glumes, glume-like bract to 2 mm, acute, glume-like prophyll bi-nerved, base spongy; rachis c. 0.5 mm wide, internodes c. 0.8 mm, winged; glumes c. 3 mm, cymbiform, obtuse, mid-nerve area greenish, later pale yellow, with several nerves ending below apex, sides pale yellow, brown or reddish-brown, margins widely scarious. Nut c. 1.6 x 0.5 mm, narrowly obovoid, trigonous, sides concave, brown or silvery brown, glossy, finely reticulate and papillose.
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Habit:
Herb
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Flowering & Fruiting:
March-April
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District(s):
Ernakulam, Malappuram
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Medicinal:
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Habitat:
Marshy areas
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Distribution:
Pantropics
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Aquatic:
Yes
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Epiphyte(s):
No
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Saprophyte:
No
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Stem parasite:
No
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Root parasite:
No
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Flower colour(s):
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Weed:
No
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Monocot/Dicot:
Monocotyledonous Plants
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Exotic:
No
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Garden:
No
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Edible:
No
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Vegetable:
No
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Endemic to:
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IUCN status:
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Altitude:
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Localities:
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