Smith, A. C. 1952. Mem. New York Bot. Gard. 8 : 49.
Type Status:
Holotype
Place:
E slopes of Cordillera, Calley of Rio Negro, junction of Rios Pailas & Negro, Trail to Mendez. Province previously entered as Morona-Santiago / Zamora-Chinchipe., Morona-Santiago, Ecuador, South America - Neotropics