Hooghly Today : Colocasia antiquorum Schott. (common wild var.)

[surajit koley]

Sir,

This is the most common wild variety KOCHU, found everywhere - roadside, waste-places and on the margin of ditches.

ID key in FoC -

(i) Leaf blade adaxially matte...... (water sometimes forming "mercury droplets") ------- C.esculenta (L.) Schott

(ii) Leaf blade adaxially glossy and wettable .....  -------- C. antiquorum Schott

The leaf blade of this plant show those "mercury droplets", yet i title this post as Colocasia antiquorum Schott. (common wild var.)! Because -

"Bengal Plants" describes :-

(i) Leaves with a bronze margin; spathe dark yellow --------- C. nymphaeifolia Kunth.

(ii) Leaves not bronze-margined; spathe pale yellow --------- C. antiquorum Schott

F. B. I. vi. 523, describes the above species - http://ia700604.us.archive.org/BookReader/BookReaderImages.php?id=mobot21753000004381&itemPath=%2F12%2Fitems%2Fmobot21753000004381&server=ia700604.us.archive.org&page=n526_w1150.jpg

"Flora Indica" gives more detailed account :-

• http://ia700607.us.archive.org/BookReader/BookReaderImages.php?id=mobot31753000967882&itemPath=%2F18%2Fitems%2Fmobot31753000967882&server=ia700607.us.archive.org&page=n499_w1150.jpg
  
• http://ia700607.us.archive.org/BookReader/BookReaderImages.php?id=mobot31753000967882&itemPath=%2F18%2Fitems%2Fmobot31753000967882&server=ia700607.us.archive.org&page=n500_w1150.jpg
  

I recorded these pictures today, in Hooghly.

Thank you,

Regards,

surajit

[Balkar Singh]

Beautiful set of pics Surajit Ji

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Regards

Dr Balkar Singh
Head, Deptt. of Botany and Biotechnology & 

Horticulture Incharge
Arya P G College, Panipat
Haryana-132103
09416262964

[surajit koley]

Thank you Sir, i have its spadix, but fail to remember where i have stored the same in my hard disk.Will upload as soon as i find it.

Regards,

surajit

[J.M. Garg]

Forwarding again for Id confirmation or otherwise please.

Some earlier relevant feedback:

Thank you Sir, i have its spadix, but fail to remember where i have stored the same in my hard disk.Will upload as soon as i find it. Regards, surajit

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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 alphabetically & place-wise): http://commons.wikimedia.org/wiki/Category:J.M.Garg. 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: http://groups.google.co.in/group/indiantreepix (more than 2030 members & 1,42,000 messages on 31/12/12) or Efloraofindia website: https://sites.google.com/site/efloraofindia/ (with a species database of more than 7500 species).

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[surajit koley]

Garg Sir,

I need some time to search and find the spadix pic, hidden in my hard disk among thousands of images. My records are not arranged systematically.

Thank you,

Regards,

surajit

[surajit koley]

Sir,

Attaching the images, recorded on 19/6/12 at the same place and of the same population. I have more, recorded elsewhere, but currently fail to find where i kept those.

Thank you,

Regards,

surajit

[Karayil Velayudhan]

Sir, The posted pictures are of Colocasia esculenta (L.) Schott var. aquatilis Hassk. Pl. Jav. Rar. 150 (1848) distributed in tropical  Asia  as very common wild plant in moist localities. Characterised by stolons, sterile appendix shorter and inflorescence scented.

[surajit koley]

Thank you very much Sir for the correct ID.

Regards,

surajit

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