Fl. rounded, 90 mm wide; perianth and other petaloid segments in three whorls, very broad, vivid yellow, overlapping half or more; the outer whorl with slight white mucro; the two outer whorls of equal length, spreading; the center whorl shorter, inflexed, folded, with margins deeply incurled; corona segments half the length of the center petaloid segments and clustered among them, strong orange, paling to orange-yellow at base, frilled.