TYPE: Colombia. Dept. of Antioquia: Munic. of La Ceja, Río Piedras, alt. 2400 m, collected by D. Arbeláez et al., 1990, flowered in cultivation at Colomborquídeas, 2 Jan. 1993, R. Escobar 5191 (holotype, JAUM; isotype, MO, C. Luer illustr. 16564; illustration of type).