Cyperus polystachyos

Cyperus polystachyos Rottb., Descr. pl. rar. 21. 1772 (Descr. icon. rar. pl. 39, t. 11, fig. 1. 1773) (syn: (≡) Pycreus polystachyos (Rottb.) P. Beauv.);

Images by Surajit Koley, (For more photos & complete details, click on the link), (inserted by Bhagyashri Ranade)
https://groups.google.com/group/indiantreepix/attach/3b425bacb1c8c2ad/P1050197.jpg?part=0.1&authuser=0&view=1
https://groups.google.com/group/indiantreepix/attach/3b425bacb1c8c2ad/P1050199.jpg?part=0.2&authuser=0&view=1
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Pycreus polystachyos
is a cosmopolitan species, found throughout the temperate and tropical world. In India it is distributed in Assam, Kerala, Lakshadweep, Meghalaya, Madhya Pradesh, Rajasthan, Sikkim, Tamil Nadu, Uttar Pradesh and West Bengal. 
It is an annual or sometimes a perennial. It is found growing commonly in seasonally flooded places, damp places, in marshes, swamps, in rice fields, river banks and at the margins of pools.  
(from  IUCN Red List (LC)  )

 
 
 
https://08511630493324166816.googlegroups.com/attach/c2cbb881d188c715/Cyperus-Panipat%20(3).JPG?part=0.3&view=1&vt=ANaJVrFPA3PNVMmNHrhAtknqbVXsUB_xM4Mgbtkzxz7AJDDlqjbebYpzVbynMgaW28OvnW5ttRq1qPn6yx5oNIynHs0TP-LLP5ZaK-8ZKhdcWfYQ73YiWWE
https://08511630493324166816.googlegroups.com/attach/c2cbb881d188c715/Cyperus-Panipat%20(2).JPG?part=0.2&view=1&vt=ANaJVrE5mSW4ji0rYgSR3NInd95jpl0FE8ZipThvCE0RhkfPNUrcW4hrjYErwAYrkBfSgBizJ0tt7-H4BCzYQF2IHt1-pUvTSaosNwU3C0Nn3KsZFVOUywE
This Cyperus species was shot from Panipat area...wanted to know the id..
It looks like Cyperus polystachyos
 
https://08511630493324166816.googlegroups.com/attach/aa92e8c1d46c8470/P1050202.jpg?part=0.3&view=1&vt=ANaJVrFjMQ4JF1-I-YQfJ_ZrvYBBSSHGiELoWN6twnWC1C62hwLjpaaOBRkdSqQ69qO8XHqhvZR5J1P0agpHKbyWEYXd2EXXBp5m8CLHeTv9Pftb-6kExmo
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https://08511630493324166816.googlegroups.com/attach/aa92e8c1d46c8470/P1050203.jpg?part=0.4&view=1&vt=ANaJVrE7Q7A_TprkRdZba1EQKlwc9ksjVk6Y0dQwaJg4-yFzVxnAh7BvWmyzJRJtXBMbYA9k9N1Tz5xRgRfiKyBFZNt2yt7erIct6YQvHcAmsFSFVLZxsCk

Hooghly yesterday : Cyperus sp. 02-Aug-13 : Attachments (7). 3 posts by 2 authors.
It is another 1 ft cyperus.
Don't know the ID.
Cyperus sp. so far in efi. 
This is Pycreus polystachyus Beauv.; F. B. I. vi. 592; Cyperus polystachyos F. I. i. 193.; i think.
 
https://08511630493324166816.googlegroups.com/attach/9d5d896c6bd69f0d/P1140076.JPG?part=0.5&view=1&vt=ANaJVrHzomPQCihPncrbMO9v2gAqCO6dAs_tuuUuZ4WYrrr1vK9i-96LS4C4CfKRvJW1Vdly3vvbtMVjyZg9W1ukYkEn7D2y1M-dxfYgvvUW1S7xQDzPuAI


 
https://08511630493324166816.googlegroups.com/attach/9d5d896c6bd69f0d/P1140073.JPG?part=0.2&view=1&vt=ANaJVrE79-gRKy_OJXyYhtimNUVSdbPvLA-G5Gf4qbeTZvsET7uO595xmSAeGkP3xUtFEzYVnL-Y18-eOTHygY-fzFx9kuZPYpRK5roHd2r596FHHOTE0K4
https://08511630493324166816.googlegroups.com/attach/9d5d896c6bd69f0d/P1140077.JPG?part=0.6&view=1&vt=ANaJVrHq_ELGPOkpkzjuJnZeWLa2mZELYZXAsXRkzXplThCPDiYdjwYKgG5hoPuqZbCcN31ad8DicFHA0kOgf4qhQQE2D2W6Lm1CdKLms0b4H7iWCETnses
https://08511630493324166816.googlegroups.com/attach/9d5d896c6bd69f0d/P1140074.JPG?part=0.3&view=1&vt=ANaJVrERWlcipYVOJjdVgDowi1s4-F_i0p2gNYlyreZLT63MYoRMV7JSzKD4glTJPJTIFyaFb1_FdzQuSZceE1SeVKYu72esslnwM1DFXYNloSf09bfvPyQ
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Wetland :: Sedge for identification :: 11032014MK :: March001 5 posts by 2 authors. Attachments (6).
Please help me in identifying the Cyperaceae sedge. Is a species of Cyperus?
Height: about one feet
Date: 07 March 2014
Place: Ariyalur dist., TN
Altitude: c. 50 m asl
Habitat: wetland, marsh
I think it is Pycreus polystachyos (Rottb.) Beauv.
This is Pycreus polystachyos (Rottb.) P. Beauv.
 
 
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Cypreaceae ID from Bangladesh SM 181 : 3 posts by 2 authors. Attachments (1)
It looks like Pycreus polystachyos (Rottb.) P. Beauv. with congested inflorescence. 
 
 
https://08511630493324166816.googlegroups.com/attach/463b5d2c29f5c/IMG_20170601_124025100.jpg?part=0.1&view=1&vt=ANaJVrHxTPIoA04zgbPbd_BYu_YxTru4nlpoR2YFY7a_muLcGHGICrxrHLNISIFi-8VPNhSliy1FjB_BrvnKo84pNroE7su0ivlORRdb3W1UJhJ_2Hhu-sE
 
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ID KANNUR 13 : 3 posts by 2 authors. Attachments (2)
Please identify this Cyperaceae member from Kannur District of Kerala.
Looks like Pycreus polystachyos (Rottb) P. Beauv.
 

  
 
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