Fl. rounded, 85 mm wide; perianth and other petaloid segments in several whorls, smooth and of heavy substance; the outer whorl 40 mm long, very broadly ovate in outline, rounded at apex, mucronate, spreading, plane to a little concave; the inner whorls narrower, becoming successively shorter, blunt at apex, less prominently mucronate, more strongly concave, inflexed, with margins wavy; corona segments 30 mm long, interspersed among the perianth and other petaloid segments, smooth, frilled, irregularly lobed.