TYPE: Panama. Coclé: vertiente norte del Alto del Calvario, al norte del Aserradero El Copé, aprox. 9 km al norte de El Copé, elev. 800-850 m, 23 Feb 1982, R.L. Dressler 6032 (holotype, US; isotype, PMA; illustration of type, photo of the flowers of the plant that served as the holotype, photo of a flower of a paratype).