Type: Colombia, Antioquia, near Planta Providencia, 28 km southwest of Zaragoza, valley of Rio Anori in areas surrounding the confluence of Quebrada La Tirana and Rio Anori ca. 3 km from Planta Providencia, alt. 400-700 m, 23 Mar 1977, Alverson, White, & Shepherd 250 (holotype: WTS; isotype: US).