Identification help for Impatiens sp.

[Dhyey shah]

Hello! 
I am a new member of the group and this is my first post for ID help. Hope all the details are present. 
Location: Lower Dibang Valley, Arunachal Pradesh
Date: 22nd May 2022

Thanks in advance!

Dhyey Shah

[J.M. Garg]

Welcome, Dhyey ji,

Difficult to say anything with this image.

If, you have other images, pl. post.

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With regards,
J. M. Garg

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[J.M. Garg]

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With regards,
J. M. Garg

---------- Forwarded message ---------
From: Dhyey shah <dhye...@gmail.com>
Date: Wed, 7 Sep, 2022, 7:23 pm
Subject: Re: [efloraofindia:432242] Identification help for Impatiens sp.
To: J.M. Garg <jmg...@gmail.com>

Unfortunately, I do not :( 

[Saroj Kasaju]

Impatiens roingensis Hareesh, A.Joe & M.Sabu !

Thank you.

Saroj Kasaju

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[Saroj Kasaju]

Couple of databases says syn and some other say accepted.

Thank you.

Saroj Kasaju

On Wed, Sep 7, 2022 at 9:41 PM Dhyey shah <dhye...@gmail.com> wrote:

POWO shows it to be a synonym of Impatiens arguta Hook.f. & Thomson

Is roingensis a ssp or a variation from the nominate? 

[J.M. Garg]

May I request the authors and others, who published subsequently to tell whether to treat this as Impatiens roingensis Hareesh, A.Joe & M.Sabu or as syn. of Impatiens arguta (as followed by POWO).

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From: Dhyey shah <dhye...@gmail.com>

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With regards,
J.M.Garg

[J.M. Garg]

Thanks a lot, Prashob ji.

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With regards,
J. M. Garg

---------- Forwarded message ---------
From: prashob p <>
Date: Wed, 14 Sep, 2022, 5:44 pm
Subject: Re: [efloraofindia:432242] Identification help for Impatiens sp.
To: J.M. Garg <jmg...@gmail.com>

Recently synonimised the same..

[Tabish]

I think Impatiens roingensis and Impatiens arguta are reasonably distinct. Impatiens arguta has a wide distribution, China South-Central, East Himalaya, Myanmar, Nepal, Tibet. Impatiens roingensis on the other hand is restricted to Dibang valley. I think the plant here is Impatiens roingensis. When we found Impatiens roingensis in Dibang valley, it never occurred to us at all that it could be confused with Impatiens arguta. 

   Tabish

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[J.M. Garg]

Thanks, Tabish ji.

But the authors themselves and Dr. Gogoi (subsequent publications as per references in POWO) think it to be a syn. of I.arguta. 

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With regards,
J.M.Garg

[Tabish]

You are right about the publications Garg ji. I must say I am surprised with this. To me the lower sepal of the two look different.  In the original paper describing Impatiens roingensis, the authors did compare it with Impatiens arguta. However, I am no expert on these matters.

   Best wishes

   Tabish