Ne serais-ce pas un Philodendron selloum?
http://www.magnoliagardensnursery.com/productdescrip/philodendron.html
ou un Philodendron lacerum ...
http://www.google.ca/imgres?q=philodendron&hl=fr&rls=com.microsoft:fr-ca&rlz=1I7SKPT_fr&biw=1038&bih=466&tbm=isch&tbnid=kVbPeMLm1hhL0M:&imgrefurl=http://www.cybertruffle.org.uk/vinales/eng/philodendron_lacerum.htm&docid=DyTPTWfxVcnzUM&imgurl=http://www.cybertruffle.org.uk/vinales/pics/philodendron_lacerum_4.jpg&w=480&h=640&ei=MUUKT9epMOnZ0QGc3qBB&zoom=1&iact=hc&vpx=751&vpy=91&dur=300&hovh=259&hovw=194&tx=57&ty=134&sig=105852969475182997979&page=6&tbnh=110&tbnw=83&start=67&ndsp=14&ved=1t:429,r:12,s:67