IBG today : Cycas sp. 01

[surajit koley]

This may be the same species I have posted recently https://groups.google.com/forum/#!topic/indiantreepix/1ke2hMkykZg, but I am not sure, they all look alike.

Leaves are around 4 to 5 ft long and leaflets are about 1 ft.

Thank you

Regards

[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:

efi page on Cycas pectinata

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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 & 1,96,000 messages on 31/7/14) 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'.

[Pudji Widodo]

Isn't it Cycas rumphii?

Pudji Widodo

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Pudji Widodo
Fakultas Biologi Universitas Jenderal Soedirman
PURWOKERTO 53122 INDONESIA

[surajitkoley]

Thank you Pudji Ji, I am not familiar with cycads. To my very little understanding it does fall in C. rumphii complex. FoP equates it with Cycas circinalis sensu Roxb. non L., illustrations can be found at http://www.efloras.org/object_page.aspx?object_id=1200&flora_id=2 and http://www.plantillustrations.org/illustration.php?id_illustration=180753&height=1080 which shows teeth on lamina of megasporophyll.

Instead, C. rumphii subsp. zeylanica seems to have obscure teeth and long acuminate apices, Can it be Cycas zeylanica (J.Schust.) A.Lindstr. & K.D.Hill?

Furthermore, there is a description and pictures of another Cycas, in a pdf file - https://groups.google.com/forum/#!topic/indiantreepix/7Yvt09vH5n8 ...... can it be that plant?

Thank you once again.

Regards

On Monday, 1 September 2014 19:49:18 UTC+5:30, Pudji Widodo wrote:

Isn't it Cycas rumphii?

Pudji Widodo

On Mon, Sep 1, 2014 at 5:10 PM, J.M. Garg <jmg...@gmail.com> wrote:

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:

efi page on Cycas pectinata

---------- Forwarded message ----------
From: surajit koley <surajitno...@gmail.com>
Date: 23 August 2014 23:30
Subject: [efloraofindia:198294] IBG today : Cycas sp. 01
To: efloraofindia <indiantreepix@googlegroups.com>

This may be the same species I have posted recently https://groups.google.com/forum/#!topic/indiantreepix/1ke2hMkykZg, but I am not sure, they all look alike.

Leaves are around 4 to 5 ft long and leaflets are about 1 ft.

Thank you

Regards

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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 & 1,96,000 messages on 31/7/14) 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'.

[surajit koley]

A document of 'Cycas in India' can be downloaded from - https://groups.google.com/forum/?fromgroups#!topic/indiantreepix/fAAiOFfD_Dg

Another, 'The genus Cycas (cycadaceae) in Indonesia' can be downloaded from http://www.cycad.org/documents/descriptions/Cycas/Cycas-montana.pdf

Both the above files document Cycas rumphii, C. edentata (previously C. rumphii, syn. C. litoralis), C. sphaerica Roxb., in addition to other species. KEYs are given along with illustrations & descriptions of megasporophylls.

After going through those two docs. I think it is not C. zeylanica, where leaflets are widely spaced.

For its narrower falcate leaflets, megasporophyll without lateral spine & longer apical spine (14-40 mm against 10-25 mm) I think it is C. edentata de Laub. I think the pictures of petiolar spine, cataphylls, megasporophylls in this thread look similar to -

• http://www.virboga.de/Cycas_edentata.htm
  
• http://www.phytoimages.siu.edu/cgi-bin/dol/dol_terminal.pl?taxon_name=Cycas_edentata&rank=binomial
  
• http://www.cykasy.cz/Atlas/Cycas_edentata.html
  
• http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/cycadpg?taxname=Cycas+litoralis
  

The problem is that the above documents inform Cal. Bot. did cultivate C. rumphii. I do not know if Cal. Bot. also has C. edentata de Laub.

I hope i haven't made any grave mistake.

Thank you

Regards

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