Ascalpidiace or Apocynace id from Bangladesh _sm_3002

[Sourav Mahmud]

Habitat : sandy bush

Location : Saint Martin Island, Bangladesh

Flowering : November

Photo taken : Nov, 2018

[J.M. Garg]

Apocynaceae? 

[J.M. Garg]

Pl. check comparative images at Apocynaceae

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With regards,
J.M.Garg

'Creating awareness of Indian Flora & Fauna'

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[J.M. Garg]

Closest I can reach is some Cynanchum species as per comparative images.

[Gurcharan Singh]

Forwarding for ID

Distributed as Cynanchum species- Saint Martin Island, Bangladesh

Group discussion at

Ascalpidiace or Apocynace id from Bangladesh _sm_3002 (google.com)

[Gurcharan Singh]

Forwarding for ID

Distributed as Cynanchum species- Saint Martin Island, Bangladesh

Group discussion at

Ascalpidiace or Apocynace id from Bangladesh _sm_3002 (google.com)

---------- Forwarded message ---------
From: nature...@gmail.com <nature...@gmail.com>
Date: Thursday, November 22, 2018 at 10:56:40 AM UTC+5:30
Subject: Ascalpidiace or Apocynace id from Bangladesh _sm_3002

[J.M. Garg]

Hi, Sourav ji,

Could you identify it ?

---------- Forwarded message ---------
From: Sourav Mahmud <nature...@gmail.com>
Date: Thu, 22 Nov 2018 at 10:56

Subject: Ascalpidiace or Apocynace id from Bangladesh _sm_3002
To: <indian...@googlegroups.com>

Cc: J.M. Garg <jmg...@gmail.com>

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With regards,
J.M.Garg

[surajitno...@gmail.com]

Agreed, Ji

But, species level identification is difficult. because of data conflict !!! for example -

1. http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:96650-1
   
2. http://flora-peninsula-indica.ces.iisc.ac.in/herbsheet.php?id=1254&cat=7
3. https://sites.google.com/site/efloraofindia/species/a---l/a/apocynaceae/cynanchum/cynanchum-callialatum
   
4. http://plantillustrations.org/illustration.php?id_illustration=130371&id_taxon=1209&mobile=0&SID=pv2av6kmnphjm4soi4c1dt228v&language=English&thumbnails_selectable=0&selected_thumbnail=0&query_type=species&query_broad_or_restricted=broad&group=0&lay_out=0&uhd=0
   

So, please consult local flora guide.

Regards,

suarjit

[J.M. Garg]

Thanks, Surajit ji,

I will go with Cynanchum callialatum

Leaves appears to be quite variable as per GBIF specimens from India.

CoL treats Cynanchum tunicatum (Retz.) Alston as a syn. of Vincetoxicum callialatum (Buchanan-Hamilton ex Wight) Kuntze (syn: Cynanchum callialatum Buch.-Ham. ex Wight)
However, POWO treats them as different with only, Cynanchum callialatum Buch.-Ham. ex Wight having distribution in Bangladesh. 

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With regards,
J.M.Garg

[surajit koley]

Thanks for the update, Sir ji.

However, there is another species in Bangladesh, in which leaves are more cordate - http://apps.kew.org/herbcat/getImage.do?imageBarcode=K000894620

Best regards,

Surajit Koley