Limnophyton obtusifolium

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Trop. Old World as per WCSP;
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Angola; Bangladesh; Benin; Botswana; Burkina; Burundi; Cameroon; Caprivi Strip; Central African Repu; Chad; Congo; Equatorial Guinea; Ethiopia; Gambia; Ghana; Guinea; Guinea-Bissau; India; Jawa; Kenya; KwaZulu-Natal; Lesser Sunda Is.; Liberia; Madagascar; Malawi; Mali; Mauritania; Mozambique; Myanmar; Namibia; Niger; Nigeria; Northern Provinces; Pakistan; Senegal; Somalia; Sri Lanka; Sudan; Tanzania; Togo; Uganda; Vietnam; Zambia; Zare; Zimbabwe as per Catalogue of Life;
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Blunt Arrowhead • Tamil: குதிரைக்குளம்படி Kudirai kulambadi, Nirchempu, Kalaralakam, Kalattirkki • Malayalam: Chuli-tamara • Telugu: Gurrapu dekka chettu;
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Hooghly today – Aquatic – Limnophyton obtusifolium (L.) Miq. : Attachments (9). 3 posts by 2 authors.

nice shots…

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ANDEC19 Caldesia sp./Sagittaria sp. for identification : 9 posts by 4 authors. Attachments (9).

Ramadevarabetta, Karnataka
7th December 2014

Sagittaria – species in eFIoraofindia (with details/ keys from published papers/ regional floras/ FRLHT/ FOI/ efloras/ books etc., where ever available)

The plant uploade seems to be Sagittaria trifolia

To me it seems to be Sagittaria sagittifolia.

…, please check the probability of Limnophyton obtusifolium (L.) Miq.

I am confused between the two sir. How are Limnophyton obtusifolium and Sagittaria sagittifolia differentiated?

Sagittaria sagittifolia L. is found in Europe and North Asia (as per FoP). Ours are S. trifolia L. (having no purple spot on petals). However, stamens are usually numerous in Sagittaria, about 20 (FoP) or 25 (Flora Indica) in S. s. or S. t.
Your flowers have 6 stamens – so it cannot be S. sagittifolia. You may find the following KEY useful for preliminary check –
  • stamens 6-9 = Alisma, Limnophyton
  • stamens usually many, rarely as few as 6 = Sagittaria

Thank you

Very helpful! Thank you.
I too agree that it is Limnophyton obtusifolium.

A few links for you..
1) http://florakarnataka.Limnophytonobtusifolium/10447.JPG
2) http://florakarnataka.Limnophytonobtusifolium/630.pdf.jpg
3) http://florakarnataka.Limnophytonobtusifolium/631.pdf.jpg
Thank you once again. 

Thank you very much …, for the very useful links.

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along KSH 34 between Malamba & Gundolli :: Sagittaria sagittifolia FOR VALIDATION :: DVFEB46/79 : 5 posts by 2 authors.
along Karnataka State Highway No. 34 … between Malamba & Gundolli
Date: 15 OCT 2011 … Altitude: about 640 m asl
Sagittaria ¿ sagittifolia ? … (family: Alismataceae)
Aquatic herb about 50 – 60 cm height; flower just about 10 mm across
The flowers in this post are already faded.

Seems to be Sagittaria sagittifolia.

Stamens 6, not many, so Limnophyton obtusifolium. Another feature is flowering season, winter (rainy).

Thank you very much … for this ID (Limnophyton obtusifolium).

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At Alibag, 4 Dec, 2009;
Sagittaria or Lymnophyton ? : 3 posts by 3 authors. 20 images.
Presenting aquatic plant from roadside ditches of Surat, Gujarat 
Morning of 10 10 2019

Limnophyton obtusifolium (L.) Miq. ??

very nicely photographed and presented. appreciate the details.

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I’d of an aquatic plant: 3 high res. images.
Request for I’d of an aquatic plant growing in water body in Bilaspur. Appears to be Limnophyton. Photographed in January, 2023.

Limnophyton obtusifolium (L.) Miq.

Yes, as per images at
https://efloraofindia.com/2011/03/12/limnophyton-obtusifolium/

Yes