Wow, it sure is pretty. I know some Gloxinia were moved to the Semmania genus at one time so I'm thinking the plant in your your may be Seemania 'Chic':
http://www.gesneriads.ca/gloxi...
There's another photo of Seemania Chic at the very bottom of this page:
http://www.lyndonlyon.com/gesn...
hmm ... I don't see an entry in the ATP database for the Seemania genus so I will submit a proposal for it to be added.