Finally! After some mislabeled 'vitellinas' (which were actually Bifrenaria stefanae), a real one bloomed! The size of the plant and flower may be evaluated looking at my left thumb. The Bifr stefanae pics, for comparison, could be found in my Gallery. Hope you enjoy this little golden beauty!
Thank you all for the feedback! Kim, I'm lost in translation! What does means "butterscotch", butter from Scotland ???
Todd, there are a 'Section' in the Genus Bifrenaria with small plants (Section Stenocoryne), and they are real Bifrenarias, both in terms of morphology and genetics; a little bit more demanding in cultivation than the 'big flowered' Bifrenarias (Section Harrisoniae - Bifr. harrisoniae itself, tyrianthina, inodora), which are more well known.