Asteraceae Fortnight Part 3-Ligulate heads (plus Misc.): Sonchus riddle cracked? : sk02

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surajit koley

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Jul 6, 2013, 1:21:57 PM7/6/13
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This set of photographs is same as in - https://groups.google.com/forum/?hl=en&fromgroups#!topic/indiantreepix/0zsO88myJgE, and it is pending...!


I think peduncles and phyllaries are stipitate glandular (is that what it is called?).

If yes it should be Sonchus arvensis L. ssp. arvensis.

Thank you
Regards
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Mahadeswara

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Jul 6, 2013, 11:56:18 PM7/6/13
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Excellent photographs and presentation.

surajitkoley

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Jul 7, 2013, 1:04:16 PM7/7/13
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Thank you very much Sir.

Regards,
surajit

D.S Rawat

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Jul 8, 2013, 2:42:55 AM7/8/13
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Surjit ji
Attaching account of all Sonchus species of India in Flora of India vol-5 (Asteraceae) by Botanical Survey of India.
Hope it will be useful for identification of Sonchus in your area.
DSRawat Pantnagar


On Saturday, July 6, 2013 10:51:57 PM UTC+5:30, surajitkoley wrote:
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surajit koley

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Jul 8, 2013, 2:26:25 PM7/8/13
to D.S Rawat, indian...@googlegroups.com
Thank you very much Rawat Sir.

The attached files inform me that there is no S. arvensis L. in India.
Instead it will be S. arvensis auct. non L. (S. wightianus DC.); and this very much echoes FoC. In that case it will be S. wightianus ssp. wightianus.

However, this plant is -
  1. S.orixensis Roxb. in FI.iii.402
  2. S. arvensis L. in FBI.iii.414
  3. S. arvensis L. in Bengal Plants.i.629
  4. S. arvensis L. in The Botany of Bihar and Orissa
  5. links of all above - http://www.biodiversitylibrary.org/name/Sonchus_orixensis
Thank you once again

Regards
surajit




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J.M. Garg

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Jul 13, 2013, 6:52:33 AM7/13/13
to efloraofindia, Dinesh Valke, Gurcharan Singh, Prashant awale, Satish Phadke, Nidhan Singh, D.S Rawat, Vijayasankar Raman, satish pardeshi, Balkar Singh, Dr. Santhosh Kumar, surajit koley

Forwarding again for any assistance in the matter please.



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surajit koley

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Jul 13, 2013, 12:14:55 PM7/13/13
to J.M. Garg, efloraofindia, Dinesh Valke, Gurcharan Singh, Prashant awale, Satish Phadke, Nidhan Singh, D.S Rawat, Vijayasankar Raman, satish pardeshi, Balkar Singh, Dr. Santhosh Kumar
Garg Sir,

The problem is resolved.
There is no S. arvensis L. in India.

Thank you,
Regards,
surajit

J.M. Garg

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Jul 14, 2013, 12:55:21 AM7/14/13
to surajit koley, efloraofindia, Dinesh Valke, Gurcharan Singh, Prashant awale, Satish Phadke, Nidhan Singh, D.S Rawat, Vijayasankar Raman, satish pardeshi, Balkar Singh, Dr. Santhosh Kumar
Thanks, Surajit ji,
That means we should move efi page Sonchus arvensis to S. wightianus DC.

surajit koley

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Jul 16, 2013, 11:12:26 AM7/16/13
to J.M. Garg, efloraofindia, Dinesh Valke, Gurcharan Singh, Prashant awale, Satish Phadke, Nidhan Singh, D.S Rawat, Vijayasankar Raman, satish pardeshi, Balkar Singh, Dr. Santhosh Kumar
Yes, Garg Sir, as per BSI docs S. wightianus DC. is the safest option.
Same applies to remaining two threads relating to this plant.

Thank you very much

Regards,
surajit
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