Here's what I found about this one. It is a beauty. Congrats.

A miniature to small sized, angraecoid, hot to cool growing epiphyte with a short stem carrying 5 to 7, ligulate, coriaceous, unequally and obtusely bilobed apically leaves that is best wood mounted and likes hot to cool temperatures and a humid environment. It flowers between April and June in the northern hemisphere on a short inflorescence that carries a solitary flower and is from Madagascar in humid forests at an altitude of 600-1500 meters.

Synonyms Macroplectrum didieri Finet 1907