Fl. 98mm wide; perianth and other petaloid segments in three or more whorls, greenish white; the outer whorls 39mm long, very broadly ovate, blunt, spreading, plane or with margins incurved, smooth and of heavy substance, overlapping half or more; the inner whorls successively shorter and more strongly inflexed towards center, concave; corona segments 23mm long, interspersed among the petaloid segments and clustered at center, opening yellow, becoming creamy white, lightly frilled.