File:Cyperus rotundus by kadavoor.JPG

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Description
English: Cyperus rotundus, Coco-grass, Java grass, Nut grass, Purple nut sedge, Red nut sedge, Khmer kravanh chruk, is a species of sedge (Cyperaceae) native to Africa, southern and central Europe (north to France and Austria), and southern Asia.


Common Nut Sedge is a perennial plant, that may reach a height of up to 40 cm. The names "nut grass" and "nut sedge" (shared with the related species Cyperus esculentus) are derived from its tubers, that somewhat resemble nuts, although botanically they have nothing to do with nuts. Leaves sprout in ranks of three from the base of the plant. The flower stems have a triangular cross-section. The flower is bisexual and has three stamina and a three-stigma carpel. The fruit is a three-angled achene. The root system of a young plant initially forms white, fleshy rhizomes. Some rhizomes grow upward in the soil, then form a bulb-like structure from which new shoots and roots grow, and from the new roots, new rhizomes grow. Other rhizomes grow horizontally or downward, and form dark reddish-brown tubers or chains of tubers.


Taken at Kadavoor, Kerala, India.
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© 2009 Jee & Rani Nature Photography. Creative Commons Attribution-ShareAlike 4.0 International License. Wikimedia Commons, the free media repository: https://commons.wikimedia.org/wiki/File:Cyperus_rotundus_by_kadavoor.JPG.
Camera location9° 59′ 00″ N, 76° 42′ 00″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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13 December 2009

9°58'59.999"N, 76°42'0.000"E

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current13:29, 2 January 2014Thumbnail for version as of 13:29, 2 January 20143,648 × 2,736 (3.07 MB)Jkadavoordenoised.
09:07, 19 April 2010Thumbnail for version as of 09:07, 19 April 20103,648 × 2,736 (4.45 MB)Jkadavoor{{Information |Description=Botanical name: Cyperus rotundus Common names: Common Nut Sedge, coco grass, nutgrass, purple nutsedge Family: Cyperaceae (Sedge family) Nutsedges are perennial weeds in the sedge family that superficially resemble grasses.

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