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

[surajit koley]

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

I try to decipher, based on https://groups.google.com/d/msg/indiantreepix/tamuki5NIiE/kEiNa9FdsGsJ.

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

[Mahadeswara]

Excellent photographs and presentation.

[surajitkoley]

Thank you very much Sir.

Regards,

surajit

[D.S Rawat]

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:

[surajit koley]

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]

Forwarding again for any assistance in the matter please.

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J.M.Garg

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[surajit koley]

Garg Sir,

The problem is resolved.

There is no S. arvensis L. in India.

Thank you,

Regards,

surajit

[J.M. Garg]

Thanks, Surajit ji,

That means we should move efi page Sonchus arvensis to S. wightianus DC.

[surajit koley]

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