I'm also curious as to what the trailing plants are that comprise the "curtain" ... nice look!
Re: the Dieffenbachia ... our database currently has only one photo of Dumb Cane (Dieffenbachia longispatha) so if the one in your photo turns out to be longispatha we could sure use more pictures for future reference.
~ I'm an old gal who still loves playing in the dirt!
~ Playing in the dirt is my therapy ... and I'm in therapy a lot!
Wow, great photo, that is one beautiful setting! 
