I sure wish NP still sold seeds. They must not update their banana info that often, because it's said Musa sp. 'Nov' or whatever for several years now, hasn't it? And no photo updates either. That and they still say they have seeds available, but they really don't.
Those flowers do look a bit different, but I think what Gabe said makes sense. I need to get a new pic of mine up for you to see soon (like before it freezes here!). It looks great, and has sent out a total of 5 pups this year. I have some pics in my gallery.
Gabe, have I finally converted you to my theory that Musa itinerans 'Yunnan' (at least the one many have been selling as such) is actually musa yunnanensis?