Those spikes coming from the fibrous base look like the start of spathes, look at Xanthosoma undipes ..
http://bdei2.cs.umb.edu:8080/e...
I can't find any Xanthosoma pics with leave like this, I wonder if Philodendron has the same type of spathe? The answer is probably!
http://aroidiaresearch.org/pgi...
I decided to check out Philodendron undulatum because of the 'undulating' leaves.. hmmm.. close!
http://www.google.co.uk/search...
http://www.flickr.com/photos/b...