Confusion regarding Alternanthera species

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Samragni Bhattacharyya

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Aug 15, 2025, 11:18:49 AM8/15/25
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Came across this herb along the banks of river vidyadhari (Bengali: বিদ্যাধরী), in the district of South 24 paraganas, West Bengal. This seems to be Alternanthera paronychioides, but also A. sessilis shows a range of phenotypic plasticity like this. Bract characters are not very demarcating, the habit is completely prostrate. Please try to confirm the species.
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Gurcharan Singh

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Aug 15, 2025, 11:29:48 PM8/15/25
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I think A. sessilis only, A. paronychoides has more mat-forming habit and larger inflorescence.

Nidhan Singh

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Aug 16, 2025, 12:33:57 AM8/16/25
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Gurcharan Sir, I think it should be Alternanthera paronychioides .. as pointed out by Samragni Ji..!!
The roots can be seen at every node..

Regards,

Dr. Nidhan Singh
Associate Professor
Department of Botany
I.B. (PG) College
Panipat-132103 Haryana
Ph.: 09416371227

J.M. Garg

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Aug 24, 2025, 6:59:19 AM8/24/25
to indian...@googlegroups.com, Samragni Bhattacharyya, Nidhan Singh

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