A reply:
"I am providing some key to identify this species------

Genus is Osbeckia----correct (as stamen whorls are equal to subequal)---but
in case of Melastoma, stamens whorls are unequal

Now coming to species-----

If Hypanthium (calyx Cup) 4--7 mm long........1. Osbeckia chinensis

2. O. nutans

If Hypanthium 10--23 mm long:

Lamina 17--25 mm long...............................3. O. capitata

Lamina 40--130 mm long:

Flowers 5-merous.....................................4. O. nepalensis

Flowers 4-merous......................................5. O. stellata

Based on this key, I am sure, the species is Osbeckia nepalensis

Osbeckia nepalensis Hook.f., Exotic Fl.1: t. 31. 1823.

More Field identifying characters:

0.5 to 1 metre tall, erect. Stem 4-angled beset with strigose hairs. Lamina
oblong-lanceolate (commonly) to ovate-lanceolate (rarely). Infl. terminal,
a panicle of cymes, 5--8 cm long. Petals 5, pink, purple to white.

Again, O. nepalensis has 2 varieties based petal colour:---

Petal purely white..........var. albiflora

Petal pink to purple........var. nepalensis

I am sure, the taxon is Osbeckia nepalensis var. nepalensis

Distribution: India, Nepal, Bhutan, SW China, N Myanmar, Thailand, Vietnam
& Laos-----usually between 400 - 1900m altitudes.

But, var albiflora repoted only from Nepal & China between 700--1600 m
altitudes.

Now, I request the collector to match your specimen and identify it.

Regards

Dr. S. Panda
Darjeeling Govt. College"


On 24 August 2013 17:56, J.M. Garg <[email protected]> wrote:

> A reply:
> "*Osbeckia nepalensis* of Melastomataceae
> A.P. DAS"
>
> Thanks, Dr. Das.
>
>
> On 24 August 2013 13:55, JM Garg <[email protected]> wrote:
>
>>  Forwarding again for Id confirmation or otherwise please.
>>
>> Some earlier relevant feedback:******
>>   May be Osbeckia nepalensis, a guess
>> Thank
>>  N.S.Dungriyal IFS
>> ****
>>
>> On Saturday, May 23, 2009 10:45:11 PM UTC+5:30, Sushmita Jha wrote:
>>
>>> Dear all,
>>>
>>> thought I would continue the North Bengal series after a breather of a
>>> few days.
>>>
>>> Here is the 1st post of the day - please confirm if it is Melastoma and
>>> if so which sp.
>>>
>>> Many thanks for your help in anticipation.
>>> Sushmita
>>>
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>
>
>
> --
> With regards,
> J.M.Garg
> http://en.wikipedia.org/wiki/User:Jmgarg1
> 'Creating awareness of Indian Flora & Fauna'
> The whole world uses my Image Resource of more than a *thousand species*& 
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>



-- 
With regards,
J.M.Garg
http://en.wikipedia.org/wiki/User:Jmgarg1
'Creating awareness of Indian Flora & Fauna'
The whole world uses my Image Resource of more than a *thousand species* &
eight thousand images of Birds, Butterflies, Plants etc. (arranged
alphabetically & place-wise):
http://commons.wikimedia.org/wiki/Category:J.M.Garg. You can also use them
for free as per Creative Commons license attached with each image.
For identification, learning, discussion & documentation of Indian Flora,
please visit/ join our Efloraofindia Google e-group (largest in the world):
http://groups.google.co.in/group/indiantreepix (more than 2135 members &
1,61,500 messages on 31/7/13) or Efloraofindia website:
https://sites.google.com/site/efloraofindia/ (with a species database
of more than 8500 species & 1,70, 000 images).
Also author of 'A Photoguide to the Birds of Kolkata & Common Birds of
India'.

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