Polygonum chaturbhujanum

[dr.rakesh Singh]

Reporting this new species ..Polygonum chaturbhujanum .
I have been recording this species in Surat since 2017 . I had posted in Indian Flora facebook group many times since , on whatsapp too. Don't remember whether posted in our group or not . Polygonum plebeium was suggested as possible id . About a month ago Dr. Rahul Sharma suggested this id . 

Polygonum chaturbhujanum has been described as a new species from Pench tiger reserve in MH .
https://bioone.org/journals/annales-botanici-fennici/volume-61/issue-1/085.061.0104/Polygonum-chaturbhujanum-Polygonaceae-a-New-Species-from-Pench-Tiger-Reserve/10.5735/085.061.0104.short

https://images.app.goo.gl/Wo5kcShNeL6G6jjeA
 Perusal of older posts in facebook (Indian Flora) tells us that it has been reported from many locations in MP as well as  Maharashtra , Bhavnagar Banaskantha and  Surat in Gujarat and also from Rajasthan . 
A prostrate herb similar to Polygonum plebeium but having much smaller flowers borne on a long  floral axis arising from leaf axils ....leaf/bracts on floral axis are smaller than on main stem . Ochrea are ending up in long hairy appendages giving the plant a very hairy appearance . 
Habitat is dried caked bed of water logged pieces of land or a shallow pond . I tried to locate it in a deeper pond bed but could not find it .

 Resized images follow .  

[Gurcharan Singh]

Thanks Rakesh ji for such an elaborate presentation.

[J.M. Garg]

Congrats, Rakesh ji.

Do you have a copy of the publication?

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With regards,
J.M.Garg

[J.M. Garg]

Hi, Rakesh ji,

Pl. check if the following are matching?:
ID Request- 190512-PKA1
Id of a herb from Bilaspur 
Polygonum plebeium R.Br. ? (mixed thread)

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With regards,
J.M.Garg

[dr.rakesh Singh]

Dear Sir , 
No, I do not have a copy of paper ....a google search shows the link and abstract only ...abstract talks about key findings which were very encouraging....I tried sci-hub but paper is not yet there .
What clinched the id was an image search with keyword Polygonum chaturbhujanum....results threw up the images used in the very same paper and it was an absolute match . I have been following this herb since 2017 ...I am absolutely sure . 

[dr.rakesh Singh]

All three are Polygonum chaturbhujanum. 

[J.M. Garg]

---------- Forwarded message ---------
From: J.M. Garg <jmg...@gmail.com>
Date: Wed, 21 Aug 2024 at 10:44
Subject: Re: [efloraofindia:468842] Polygonum chaturbhujanum
To: <indian...@googlegroups.com>
Cc: dr.rakesh Singh <dr.rake...@gmail.com>

Thanks a lot, Rakesh ji

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With regards,
J.M.Garg

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With regards,
J.M.Garg