TYPE: Guatemala: Prov. of Quetzaltenango: Zunil, terrestrial in wet, pine-oak forest, alt. 2100 m, collected by J. Herrera in Aug. 1987, flowered in cultivation in Guatemala, 4 December 1990, M. Dix & M. Dix 6522 (holotype, MO; illustration of type, MO; isotype, UVAL).