SYNTYPES: Panama. Chiriquí: epiphytic in damp forest between Alto de las Palmas and Cerro de Horqueta, alt. 2100-2300 m, Mar 1911, H. Pittier & W.R. Maxon 3229 , H. Pittier & W.R. Maxon 5730, H. Pittier & W.R. Maxon 5484 (B, destroyed; lectotype designated by Luer (1988); drawing of type, AMES; US).