Cyperus flavidus

Cyperus flavidus Retz., Observ. bot. 5:13. 1788 ("1789")  (Syn: (=) Cyperus globosus All.; (≡) Pycreus flavidus (Retz.) T. Koyama);


Culms 30-45 cm tall. Leaves 10-20 x 0.1 cm, glabrous, mouth of sheath with two truncate flaps. Umbel 8 x 8 cm; bracts 2-3, to 18 cm long; rays spreading. Spikelets 12-16 x 2 mm oblong, obtuse, 12-15 in a spike; glumes 2 x 1.2 mm, 30-40 in a spikelets, 3-5-nerved; keel curved, green. Nut 0.8-0.5 mm, biconvex, distinctly cuspidate, minutely muriculate, dark brown.       
Flowering and fruiting: April-May     
Marshy areas in grasslands     
South Europe, Africa and Central and South Asia

 
 
 Images by (Gurcharan Singh - Id by Tanveer Khan), (inserted by Bhagyashri Ranade)
https://groups.google.com/group/indiantreepix/attach/58da7be1d94304a0/Cyperus-sp-Botanical%20garden-DSC06885-Kashmir-2.jpg?part=0.1&authuser=0&view=1
https://groups.google.com/group/indiantreepix/attach/58da7be1d94304a0/Cyperus-sp-Botanical%20garden-DSC06887-Kashmir-1.jpg?part=0.2&authuser=0&view=1
https://groups.google.com/group/indiantreepix/attach/58da7be1d94304a0/Cyperus-sp-Botanical%20garden-DSC06888-Kashmir-4.jpg?part=0.3&authuser=0&view=1

Poaceae, Cyperaceae and Juncaceae Week: Cyperaceae-05042013GS2 Cyperus for ID from Kashmir-GS42 : Attachments (3). 4 posts by 3 authors.
I think Pycreus flavidus
 
https://08511630493324166816.googlegroups.com/attach/242bf4b1f4aa8/cyperus%20flavidus%20plant.jpg?part=0.5&view=1&vt=ANaJVrGkc47MorCV4NGvOcMgFn0Mekqt9ZavXD75HkZ4w0pdXbJM42Tv2ahdYmuwvkkolf3ELVxkMpgOgj3N9DTOnRyOJumpAgykDjBQJvGNvRK5E9-IKr0
 
https://08511630493324166816.googlegroups.com/attach/242bf4b1f4aa8/Cyperus%20flavidus%20spikes%20closeup.jpg?part=0.4&view=1&vt=ANaJVrGy-XG1h8ReYieYEsPJT0sIfN_ft_Ui0_CYV-llJuGtyhxajBbca7vgnK1TPsoLX985y8irGDGj2k2_zAUbeqaQGBfP6Xlb_XdYk03KNuKd2hVgsWY
https://08511630493324166816.googlegroups.com/attach/242bf4b1f4aa8/Cyperus%20flavidus%20spikes%20with%20Lynx%20spider.jpg?part=0.3&view=1&vt=ANaJVrHxoTcU9f8ZBuHGOp667I-fvq0zdzIXCW18LwPPUJTCcFt3krBvBDQB1dFNr6U9puVhmJpwoWOi3D9JBEUu_4UdWxcCIVC8deRFkX6Cz8U-a9RqJKg
https://08511630493324166816.googlegroups.com/attach/242bf4b1f4aa8/Cyperus%20flavidus%20inflorescence%20closeup.jpg?part=0.2&view=1&vt=ANaJVrGvpziS72qUM9JSzoonixjZkKqgPuWkDdxRAgerN4bBFUdRsCyLOQq-D5Idl3gLzI4ufS4PuTCeQj45tOeko7zQNPcKJOgTKK2yCxjYb20eEu1hTVQ
https://08511630493324166816.googlegroups.com/attach/242bf4b1f4aa8/Cyperus%20flavidus%20plant%20habit.jpg?part=0.1&view=1&vt=ANaJVrHNLuzzoaonNNtSE0OTEZw9SzGZhH1ZTvcV7FtPs9_0ImTyV3RqxLS8ZnhTOHElkH5pNp00ejDFlTJ5d2uL8xH6rMH8Ksa-7HzVj4CPiRMDXxmXUnU

Cyperus flavidus submission : 5 posts by 4 authors. Attachments (5)- around 500 kb each. 
Cyperus flavidus 
Synonyms - Pycreus flavidus
Family - Cyperaceae
Habitat - Found growing along brooklets and on edges of Paddy fields
Photographed at Hamirpur, Himachal Pradesh 
Dated - 8October 2018

  
 

References:

GRIN (Cyperus flavidus Retz. as accepted name)

The Plant List (Pycreus flavidus (Retz.) T.Koyama as accepted name) 

Flora of Pakistan,  Annonated checklist of Flowering plants of NepalFlora of ChinaIndia Biodiversity Portal & Biodiversity In India, Volume 2 edited by T. Pullaiah (Description) (Pycreus flavidus (Retz.) T. Koyama as accepted name)

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