TYPE: Peru. Dept. of Cuzco: Provo of La Convencion, Vilcabamba mountains near Yanama, on exposed rocks, alt. 3000 m, Oct. 1978, D. Welisch s. n., cultivated in San Francisco, flowered in cult. 15 Aug. 1979, C. Luer 4085 (holotype, SEL; clonotype, MO-5118494; clonotype, MO-5118495).
