Fl. 110mm wide, facing slightly upwards; perianth and other petaloid segments in two whorls, white; the outer whorl 40mm long, very broadly ovate, blunt, prominently mucronate, spreading, a little concave, smooth and of membranaceous to heavy substance, overlapping half or more; the inner segments narrower, shouldered at base, slightly inflexed, less prominently mucronate; the inner whorl shorter, more strongly inflexed, with margins incurling; corona segments 30mm long, interspersed between the two whorls of petaloid segments and clustered at center, half the width of the petaloid segments, roundish, vivid yellow, wavy, the innermost segments crumpled. Sweetly scented.