Fl. More than 100 mm wide; perianth and other petaloid segments in several whorls, broadly ovate, prominently mucronate, greenish yellow, overlapping half or more; outer whorls spreading or a little inflexed, plane; inner whorls successively shorter and more strongly inflexed, concave; the center whorls very strongly inflexed, with margins tightly incurled; the corona segments shorter than the petaloid segments and interspersed among them, strong orange.