Hooghly Today : might be Hygrophila polysperma (Roxb.) T. Anders.

[surajit koley]

Sir,

This seems to be the one, described and illustrated in - 

1. http://www.efloras.org/object_page.aspx?object_id=86908&flora_id=5
   
2. http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=242325798
   

I found this small herb on the edge of a pond.

Regards,

surajit

[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

 

efi site link: Hygrophila polysperma ?

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J.M.Garg

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[surajit koley]

Garg Sir,

First, thank you very much for taking care of all pending issues.

This plant is Hygrophila polysperma (Roxb.) T.Anderson. Besides other features the glabrous capsule with pubescent tip can clearly be seen in image no. DSCN7837.

And this is the same plant as in - https://groups.google.com/forum/?hl=en&fromgroups=#!topic/indiantreepix/OHN8QssfQnc, though in different stage of growth. This is more mature stage. More the waterline recedes the spikes of this plant elongate more, and the leaves, i think, reduce, both in number and size.

The following links might help to determine the species :-

• http://plantillustrations.org/illustration.php?id_illustration=130582
  
• http://www.linnean-online.org/6895/
  
• http://www.theplantlist.org/tpl/record/tro-50100956
  
• http://www.theplantlist.org/tpl/record/kew-2420696

Regards,

surajit