Fl. rounded, 77 mm wide; perianth segments yellow, with a well-defined band of white at base; corona coppery yellow.
Classification change in 1989.
Songster, 7 YYW-Y, Grant E. Mitsch, United States, 1971
Photo #31850 Mary Lou Gripshover, USASongster, 7 YYW-Y, Grant E. Mitsch, United States, 1971
Photo #31849 Mary Lou Gripshover, USASongster, 7 YYW-Y, Grant E. Mitsch, United States, 1971
Photo #4960 Wells Knierim, USA