Dear all
The photo sent by Pijus ji from Tawang, is matched with
Rhododendron sinogrande Balf. & W.W.Sm., not with R. lanatum Hook. f. Pl.
match with the type specimen at BM (London) herbarium and protologue
description.
I have some field suggestions to Pijus ji:
If it is R. sinogrande----
a. Trees up to 5-10 m high
b. abaxial lamina with silvery white to grey indumentum, not brown (but in
R. lanatum, silvery-white to pale chocolate brown indumentum)
c. Lamina oblong-elliptic, oblong-lanceolate to oblong-oblanceolate, 15 -
80 cm long (in R. lanatum, 5-12 cm long )
d. infl. 15 - 25-flowered (but in R. lanatum, 5-10-flowered)
e. Corolla ventricose-Campanulate, creamy white to pale yellow (in R.
lanatum, corolla broadly campanulate, sulphur yellow with red spots).
To me, it is Rhododendron sinogrande Balf. & W.W.Sm.
Subhasis Ji
Darjeeling Govt. College
On Fri, Jul 19, 2013 at 11:08 AM, J.M. Garg <[email protected]> wrote:
> Forwarding again for Id confirmation or otherwise please.
>
> Some earlier relevant feedback:
> Today I discussed this plant with Mrs. Huong who is working on
> 'Ericaceae of Vietnam'. She has asked to check this with Rhododendron
> singorande.
> Pl also check the following links:
> http://www.cfgphoto.com/img16472.htm
> http://www.rhododendrons.com/product/335/1
> http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200016571
> Hope this helps.
> Regards,
> Ritesh.
>
>
>
> "I agree with *R. sinogrande*
> With best wishes and regards
> M.K.Pathak
> Botanist
> Central National Herbarium (CAL)
>
>
> Can you please let me know the size of the leaves to confirm for
> sinogrande. The stigma color is very unique though.
> Pankaj
>
>
>
> To me this looks closer to *Rhododendron lanatum *which is distributed in
> NE India.
> http://www.flickr.com/photos/bhutantravels/4176064328/
> R. sinogrande, on the other hand, is characterized by prominently huge
> leaves.
> Tabish
>
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Pijush Dutta <[email protected]>
> Date: 26 April 2012 09:46
> Subject: Help to Identify
> To: [email protected], [email protected]
>
>
> Please help me to identify this Rhododendron collected from Tawang at
> elevation of about 3000m last week.
>
> Pijush
>
> --
> Pijush Kumar Dutta
> Senior Coordinator
> WWF-India, Arunachal Pradesh
> Parvati Nagar, Tezpur, Assam
>
>
>
> --
> 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
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