Bohemoslovacia (CSSR), Bohemia centralis, districtus phytogeogr. 13a. Rozdalovicka tabule, opp. Chlumec nad Cidlinou, pagus Zehun : in pratis uliginosis ad piscinam Zehunsky rybnik, ca 1 km situ orient. a vico Chotovice.
Collection
Herbarium, U.S. National Arboreum, Washington, D.C.
Peru
(PE)
Prov. La Mar, dept. Ayacucho; eastern massif of the Cordillera Central opposing the Cordillera Vilcabamba between Tambo, San Miguel, Agna and the Hiacienda Luisiana.On trail betw. Huanhuachays and Punccu
Found wild in the Maranhao region of Brazil and then cultivated at the University of Texas in Austin from where it was distributed to various zoologists as a possible food plant for Heliconius butterfly larvae.
Departamento de Cundinamarca, Munic. de Villapinzon. Via Villapinzon a las Fuentes del rio Bogota, cerca del Paramo de Santa Barbara. En quebrada umbria con suelo cubierto por capa de Sphagnum