Rudolfiella bicornaria - flower closeup, La Isla Escondida, Colombia

Found in Colombia, Surinam and northern Brazil at elevations around 220 meters as a medium sized, hot growing epiphyte with close set, ovoid-tetragonus, rugose, sulcate pseudobulbs enveloped by sheaths that become fibrous with age carrying a single, apical, erect, oblanceoalte, acute to acuminate, many nerved, narrwoing below into an elongate, petiolate bawse leaves that blooms in the fall on a basal, erect, rachis 9.2 to 12" [18 to 30 cm] long, 18" [45 cm] long, overall, 10 to 15 flowered inflorescence.