Impatiens bicornuta

Impatiens bicornuta Wall., Fl. Ind. ed. Carey 2: 460 460 1824. ;


Images by Pravin - Id by Wojciech 
https://groups.google.com/group/indiantreepix/attach/3cad6cb2883878d5/IMG_PG%20(190).JPG?part=0.1&authuser=0&view=1
https://groups.google.com/group/indiantreepix/attach/3cad6cb2883878d5/Impateins.JPG?part=0.2&authuser=0&view=1

Id31102012PHK1: Id Please
one more Impateins sp. from Khati,Uttarakhand
09/10/2012
This is most probably I. bicornuta.
See http://www.jstor.org/stable/4114645 if you have access to JSTOR.
Grey-Wilson describes characteristic s-shaped spur
 
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SK673 25 JUL-2017:ID : 10 posts by 3 authors. Attachments (8)
Location: Shivapuri National Park, Nepal
Altitude: 7500 ft.
Date: 22 July 2017

I think impatiens species.    

Yes, it is.

I suppose this is Impatiens bicornuta, as it has rather long S-shaped spur.
Other species of this group grow in other parts of western and central Himalaya.
Compare 
Grey-Wilson C. 1989. Impatiens bicornuta and its allies. Studies in Balsaminaceae: 7. Kew Bull. 44,1: 61-66.

Thank you ... Pasting image from Flowers of India for reference please .
I am attaching two papers for your information.
Opinions of both authors differ somewhat and as I never saw species of this group by myself, I am unable to decide who is right. 
Attachments (2)
Grey-Wilson1989StudiesinBalsaminaceaeVII
Akiyama1987Impatiensbicornut

So the conclusion is that Impatiens pradhanii H.Hara is an accepted name. I wanted to put this red-spotted yellow balsam as Impatiens pradhanii long back, but the taxonomy sites put it as synonym of I. bicornuta. I think I will follow C. Grey-Wilson, Kew Bulletin, Vol. 44, No. 1. (1989), pp. 61-66, and put this yellow species as Impatiens pradhanii H.Hara. 

Confusion for lay person like me ! efi thread ?????

 
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Impatiens bicornuta Wall. : 5 posts by 3 authors. Attachments (10)
Sharing some pictures I guess is Impatiens bicornuta Wall. shot at Chandragiri Hills Kathmandu Nepal on 19 September 2016 at 8200 ft.
Note: I found the plant different in FoI webpage.
Images in foi link looks different.
But appears similar to images at efi site      
However, I. pradhanii is now considered to be a synonym of Impatiens bicornuta
Thank you ! Please advise which one of  the following link is correct and if my post is correct.
Impatiens bicornuta group is difficult. I checked both Grey-Wilson's and Akiyama's papers and without detailed measurements can't be sure which one it is. What is interesting in no one paper lower side of leaf is described as red of purple!  PlantList is useful sometimes but there also are errors. I agree with determination of yellow flowered form as I. pradhanii. I think that without additional studies of this whole group it is impossible to decide if I. pradhanii is synonym or separate species. 

Pl. also see feedback in another thread: SK673 25 JUL-2017:ID

It is Impatiens bicornuta Wall..


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Impatiens bicornuta Wall. : 3 posts by 2 authors. Attachments (8)
Location:  Kharidhunga, Sindhupalchok, Nepal
Date: 6 September 2017
Elevation : 7700 ft.


Impatiens pradhanii : 3 posts by 2 authors.
Is not Impatiens pradhanii syn. for I. bicornuta. POWO, GBIF and CoL says so.
That's true. Now it is treated as a synonym of Impatiens bicornuta. The time this was put on the site, the main reference we looked at was the attached paper by Grey-Wilson on Impatiens bicornuta, where he differentiates it from Impatiens pradhanii. Also, the yellow flowers of I. pradhanii look so different, mainly in color, from the pink I. bicornuta. That is the reason for having a separate page for the two. Maybe I will keep the separate pages for the yellow and pink form, while retaining the accepted name Impatiens bicornuta.
Attachments (1) - Impatiens bicornuta-greywilson1989.pdf
Ok ...!  But this merging is confusing since the flowers look so different like I. kathmanduaensis and I. discolour.
 
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Impatiens bicornuta Wall. : 3 posts by 2 authors. Attachments (7)- around 600 kb each. 
Location : Chandragiri Hills, Kathmandu, Nepal
Elevation : 8200 ft.
Date : 28 June 2018
Habit : Wild

I am rather sure this is I. bicornuta s. str., due to geography and color pattern.
For 100% I need measurements however...

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Impatiens bicornuta Wall. : 6 posts by 1 author. 6 images- 6 to 7 mb each.
Location: Sundarijal, Kathmandu
Date: 07 August 2020
Elevation: 2192 m.
Habit : Wild 

 

References:
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