Fimbristylis complanata (Retz.) Link, Hort. Berol. 1: 292 1827. (Syn: Cyperus amentaceus Rudge; Cyperus anceps Steud. [Illegitimate]; Cyperus complanatus (Retz.) Willd. [Illegitimate]; Fimbristylis amblyphylla Steud.; Fimbristylis anceps Steud. [Illegitimate]; Fimbristylis autumnalis var. complanata (Retz.) Kük. ..; Fimbristylis bequaertii De Wild.; Fimbristylis boeckeleri Steud.; Fimbristylis complanata subsp. complanata ; Fimbristylis complanata var. macrocarya Domin; Fimbristylis conferta A.Rich.; Fimbristylis cylindrostachya Steud.; Fimbristylis kielmaieri Steud.; Fimbristylis obscura Fernald; Fimbristylis rudgeana (Nees) Steud.; Fimbristylis scabra (Nees) Kunth [Illegitimate]; Isolepis anceps A.Dietr. [Illegitimate]; Isolepis complanata (Retz.) Roem. & Schult.; Isolepis willdenowii Roem. & Schult.; Scirpus amentaceus (Rudge) Griseb.; Scirpus anceps Willd. [Illegitimate]; Scirpus complanatus Retz.; Scirpus kielmeyeri Schimp. ex Steud.; Trichelostylis complanata (Retz.) Nees; Trichelostylis kielmeyeri Nees ex Boeckeler; Trichelostylis rudgeana Nees; Trichelostylis scabra Nees); 
 

Slender annuals; culms 10-20 cm high, tufted, trigonous at base, flat below the inflorescence, smooth. Leaves 8-12 x 0.2 cm, linear, flat, with recurved margins; sheath rounded; ligule a row of short hairs. Umbels 2.5 x 2 cm, contracted; rays 1-3, spreading. Spikelets 5 x 1.5 mm, lanceolate, solitary or 2-3 together, 15-flowered; glumes 2.2 x 1.5 mm, lanceolate, 3-nerved, dark brown. Nut 1 x 0.6 mm, obovate, sparsely tubercled, pale brown.

Flowering and fruiting: March-April
Grasslands
Pantropical, extending North to China and temperate Japan
(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi
 


Fimbristylis complanata is has a pantropical distribution. The species occurs throughout much of Africa south of the Sahara, Yemen, the Seychelles, east through the Indian sub-continent to China, Japan, Korea and Taiwan, south through South-east Asia to northern Australia, on some Pacific Ocean islands and from Mexico south throughout much of South America (The Board of Trustees of the Royal Botanic Garden, Kew 2012).
This is a perennial which grows up to 15-80 cm high (Verma 2001). It grows on muddy river banks, swampy grasslands, sea shore, wet rice fields but it is not confined to wetlands and is common on open grasslands and on cultivated or disturbed ground (Cook 1996). It is associated with Bacopa monnieri, Eleocharis geniculata and Kyllinga monoceohala (Daniel and Umamaheswari 2001). It is seen in wet open grasslands at low altitudes, and also in and around cultivated fields, especially margins of rice fields (Dassanayake and Fosberg 1985).

Citation: Anitha, K. 2013. Fimbristylis complanata. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 19 October 2014.
 

 

 

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Fimbristylis falcata (Vahl) Kunth SN Oct09 : 2 posts by 1 author. Attachments (4).  
Fimbristylis falcata (Vahl) Kunth, small sedge near Bangalore.


Sorry, I have given wrong ID to this sedge, correct ID is Fimbristylis complanata (Retz.) Link


  
 

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