Either Aphelandra or Justicia. I get the two genera confused at times; I'm leaning towards Aphelandra for this one because it closely resembles some that my friend grows.
My money's on one of the Sanchezias, maybe oblonga? http://www.flickr.com/photos/mariasg/2723893798/in/photostream or peruviana? http://jangoux.photoshelter.com/gal...QghBRQPsnUMdgYAshMqaQ--&I_ID=I0000eZgq5K2i6FM