Fl. rounded, 106 mm wide; perianth and other petaloid segments in several whorls, very broadly ovate, blunt or rounded at apex, light lemon yellow, with slight white mucro, overlapping half or more; the outer whorl spreading, slightly concave; the second whorl somewhat inflexed, with margins deeply incurling; the center whorl or whorls strongly inflexed, crumpled; corona segments shorter than the petaloid segments and encircling those at center, opening yellow and becoming white, frilled. Strongly scented.