Dear Akshay - it is always much more difficult and time-consuming to
reliably identify a plant when there is only a single image and there is
insufficient close-up detail of floral parts and foliage.  Some species
within a genus can be distinctive enough and readily matched but it is
always useful to have "supporting evidence".  PLEASE, on future occasions
take and submit many more images per specimen, in good focus and close-up -
if you refer to my web-site on the flora of the NW Himalaya (see:
https://sites.google.com/a/shpa.org.uk/fowh/impatiens-1) this will offer
extensive advice; do look through the whole site but first see the images
taken of Impatiens glandulifera showing much greater detail, obtained using
a modest compact digital camera.As you can see, the images provide vastly
more information - which I view as "clues", the equivalent to pieces in a
jig-saw puzzle.  The more piece, which one can view clearly, the easier it
is to arrive at an identification and the greater confidence one has in
it.  Otherwise one can readily end up with a misidentification.  Too many
data-bases, whether digital or old-fashioned printed ones, just with text
or pictures, a littered with misidentified plants, which contributes to
confusion and misleads.

As to this particular image, it is certainly of a *Campanula* and seems to
be *C.pallida* - the flowers seem relatively large. I cannot see some of
the detail, so have some reservations.  'Flowers of the Himalaya' records
this from Afghanistan to SE China @ 1200-4500m in cultivated areas, on
stone walls and banks - which this seems to be (amongst Cotoneaster,
Geranium and Potentilla, reminding me of equivalent elevation on the
Rohtang).  Stewart knew this as *C.colorata*, describing it as very common
and very variable from 500-2800m in N.Pakistan and Kashmir - some forms are
very weedy in appearance.  He recognised var. *tibetica*, recorded from
Chitral through to Ladakh; I saw at the base of boulders at Koksar (just
over the Rohtang Pass in Lahaul) what I considered to be this variant -
Stewart fight it might well be given specific rank but the plant you
photographed does not fit this.

There are quite a number of Campanulas known in the NW Himalaya - much
confusion remains as to distinguishing between some of them.  In
cultivation, such
Campanulas appear to be prone to hybridisation.  I wonder if that is a
factor in the wild?  If so, that would certainly complicate matters.  IF
those posting images on EFI can take more quality images, this will help us
resolve numerous identification riddles.  When covering *C.alsinoides*
Stewart observed that this seemed like an apetalous form of *C.colorata*
var. tibetica (see above) or of *C.argyrotricha*.  He stated that the
cleistogamous forms of Campanula are often hard to identify.  He thought
someone needed to cultivate the forms of this genus in the garden or a
greenhouse.

Excuse this all sounding complicated but unfortunately, it often is, if one
is to arrive at an identification which can be relied upon - otherwise we
just increase the muddle and confusion
-- from Chadwell ji.

On 5 December 2017 at 07:42, J.M. Garg <[email protected]> wrote:

> ---------- Forwarded message ----------
> From: "akshay prashar" <[email protected]>
> Date: 05-Dec-2017 12:38 AM
> Subject: [efloraofindia:283023] Dear sir please help me to identify the
> following species
> To: "efloraofindia" <[email protected]>
> Cc:
>
> Respected member,
>
>  please help me to identify the following species
>
> Species for Identification -
>
> loaction - Deothachi ,Mandi District,Himachal Pradesh
>
> Altitude- 2800-3200m
>
> Date 12- August-2017
> *Thanks & Regards*
>    Akshay Prashar
>
>
> <https://lh3.googleusercontent.com/-IUa1ifir3FE/WiWc_3TpS1I/AAAAAAAAAko/bZ5gx2aciQIY1i6am3iV1vUhdel3KeMKgCLcBGAs/s1600/WP_20170919_12_23_00_Pro.jpg>
>
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-- 
With regards,
J.M.Garg

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