Aglaonema costatum


Images by Gurcharan Singh (inserted by Bhagyashri Ranade) 
https://groups.google.com/group/indiantreepix/attach/e3746a61fc7ae952/Aglaonema-brevispatha-DU-FS-P1150186-Delhi-3.jpg?part=0.1&authuser=0&view=1
https://groups.google.com/group/indiantreepix/attach/e3746a61fc7ae952/Aglaonema-brevispatha-DU-FS-P1150187-Delhi-2.jpg?part=0.2&authuser=0&view=1

  

Aglaonema brevispathum (Engl.) Engl.
Photographed from Delhi University Flower Show, please validate
I do not know.... yet it does look similar to - http://araceum.abrimaal.pro-e.pl/aglaonema/snowwhite.htm
i) cataphyll subtending petiole usually drying-persistent; petiole usually equaling or exceeding blade; leaf-base usually obtuse to subrounded - brevispathum
ii) cataphyll subtending petiole usually immediately deliquescent; petiole usually less than blade length; leaf-base subcordate to rounded - costatum
There is an image titled Aglaonema costatum 'First Diamond' (parent directory - http://www.wolfkamp.se/bilder/) which seems replica of the first pic in this thread. But, who knows if the author is correct or not!
May be you are right ... Thanks for keen investigation.
 
 
 
 
 
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