Just found this picture of a close up superbum, but not sure which one. Kinda looks the same colors as the ones in your pictures-
Image:Ensete superbum.jpg - Wikimedia Commons
Also found this while googling about plants needing artificial pollination-
Ensete superbum on Flickr - Photo Sharing!
here's another, but these two have different colors, maybe it just depends on the stage of the flower-
Grundlepuck : photos : U.S. Botanic Garden : Ensete Superbum- powered by SmugMug