Hoya for id from Siliguri:: NS June 09

[Nidhan Singh]

Dear All,

This beautiful epiphyte was shot near Siliguri (W.B.)..

This is a Hoya sp. ...H. verticillata ??

Please give your opinion regarding specific id..

--
Regards,

Dr. Nidhan Singh

Assistant Professor
Department of Botany
I.B. (PG) College
Panipat-132103 Haryana
Ph.: 09416371227

[Prashant Awale]

Wow, great find Nidhan ji..

Regards

Prashant

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[Gurcharan Singh]

Hoya alright since I photographed H. carnosa a few days ago here in California. Looks ver similar. Would be helpful if we know the differences.

Dr. Gurcharan Singh

Retired  Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297  Mob: 9810359089

http://www.gurcharanfamily.com/ 
http://people.du.ac.in/~singhg45/

[Nidhan Singh]

Thanks for your early inputs Prashant Ji and Gurcharan Sir..

I was considering this being one from H. verticillata or H. carnosa ..

[surajitkoley]

Breathtakingly beautiful photography Sir.

Thank you

Regards

[Nidhan Singh]

Thanks Surajit Ji for nice words, the flowers are really wonderful..

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[Aarti S. Khale]

Nidhan Ji,

tha pictures of the tiny flowers are so beautiful...they almost look artificial.

Aarti

[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:

Hoya alright since I photographed H. carnosa a few days ago here in California. Looks ver similar. Would be helpful if we know the differences. Dr. Gurcharan Singh

Thanks for your early inputs Prashant Ji and Gurcharan Sir..

I was considering this being one from H. verticillata or H. carnosa ..

-- Regards, Dr. Nidhan Singh

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With regards,
J.M.Garg

'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). 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- around 2380 members & 1,93,000 messages on 30/6/14) or Efloraofindia website (with a species database of more than 9500 species & 1,90,000 images). Winner of Wipro-NFS Sparrow Awards 2014 for efloraofindia. 

Also author of 'A Photoguide to the Birds of Kolkata & Common Birds of India'.

[J.M. Garg]

A reply:

"Hoya verticillata, acuta and parasitica are all quite difficult to differentiate. If there are references on the flora of Bengal, it could help."

 

Thanks, Prjith ji.

[J.M. Garg]

A reply from maker of World site on Hoyas:

"I sure looks like a species from the parasitica complex, but it's extensive and flowers come in many colors (also growing condition affects the color) so it's difficult to pin point exaclty which one.

Regards

Maggie"

 

Thanks, Maggie ji.

 

On 10 July 2014 14:40, J.M. Garg <jmg...@gmail.com> wrote:

[surajit koley]

Nidhan Sir,

Attached here KEY of three Hoya in 'Bengal Plants'.

Roxburgh's note on Asclepias parasitica reads, "....... leaves opposite..... firm fleshy texture... veins scarcely conspicuous above, and invisible underneath, ..... petioles short, round, ash coloured, in fact more like a part of a branch...." But, Wight's illustrations shows leaves are pinnately veined. I do not know if this is the same as Hoya parasitica Wall. ex Traill.

A website provides some information on Hoya - http://www.psthehoyan.com/. The author throws some light discussing H. parasitica, H. acuta and H. verticillata. According to him Hoya acuta does not have tri-nerved leaves. Also, Hoya verticillata does not have tri-nerved, quinquenerved, or palmately veined leaves (please note the graphics in http://www.psthehoyan.com/psthehoyan3_4.htm).

The author further informs, "The Hoya sold in trade as H. acuta ...... are .... clones of H. pottsii."

FoC has only one species with 3-veined leaves - http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=115819.

I hereby do not attempt to ID your plant. I send you this mail only because I have spent past two hours just to know what Hoya is! Whatever species it may turns out it is a heavenly (if there is any!) creation.... and excellent photographs as well.

Thank you very much for sharing this wonderful finding.

Regards

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[J.M. Garg]

Thanks, Surajit ji.

HI, Nidhan ji.

Pl. also see Hoya acuta

[surajit koley]

Good morning Sir

Herbarium sheet marked as Hoya verticillata (Vahl) G. Don can be found at KEW -

1. http://apps.kew.org/herbcat/detailsQuery.do?barcode=K000873070
   
2. http://apps.kew.org/herbcat/detailsQuery.do?barcode=K000873071
   
3. http://apps.kew.org/herbcat/detailsQuery.do?barcode=K000895119
   
4. http://apps.kew.org/herbcat/detailsQuery.do?barcode=K000895120
   

The No.1, 3 & 4 above have tri-nerved leaves. But no.2 seems to have penninerved  leaves and one leaf in the no.3 herbarium also is pennineved.

Can this Hoya be labelled as H. parasitica (Roxb.) Wall. ex Wt.?

Regards