Fl. 80 mm wide; perianth segments broadly ovate, deep yellow; corona deeply split, the six segments opposite and closely overlying the perianth, tangerine orange, frilled.
Name is part of the Mitsch/Havens “Math Series”.
Equation, 11a Y-O, Richard and Elise Havens, United States, 1997
Photo #12122 John Castor, USAEquation, 11a Y-O, Richard and Elise Havens, United States, 1997
Photo #8387 Elise Havens, USAEquation, 11a Y-O, Richard and Elise Havens, United States, 1997
Photo #6048 Steve Taylor, USA