Fl. 110 mm wide; perianth and other petaloid segments in several whorls, white; the outer whorls very broadly ovate, blunt, prominently mucronate, spreading, with margins incurved, overlapping half or more; the inner whorls narrower, less prominently mucronate, a little inflexed, becoming more strongly inflexed towards center, deeply folded inwards from midrib; corona segments very short, interspersed among the petaloid segments, opening pale lemon-yellow, becoming white, deeply folded inwards along midrib, frilled.