Project Noah is a tool to explore and document wildlife and a platform to harness the power of citizen scientists everywhere.
Found that one at the palm garden in Frankfurt / Main.
I think it is this one: Aristolochia sp.. Just another example from Costa Rica:http://www.flickr.com/photos/dominikhofe...
Lat: 50.14, Long: 8.68
Spotted on Nov 25, 2010 Submitted on Feb 10, 2012