I found a wiki link with lots of plants from tropical America, it might be useful for others I'm sure you have!
http://zookeepersjournal.com/w...
I wonder if it's another plant in Araceae, I found a lot of pics of Anthurium which might be useful too! Right at the bottom..
http://www.aroid.org/gallery/n...
There's lots of pics showing P. giganteum with wavy leaves.. yes I noticed the cut leaf too but wasn't sure if it was torn.
http://www.google.co.uk/search...
