Fl. 90 mm wide; perianth and other petaloid segments very broad in outline, blunt or rounded at apex, yellow, with white mucro, plane, smooth, overlapping 1/2 or more; the outer whorl spreading; the inner whorl not much shorter, inflexed; corona segments regularly arranged between the petaloid segments, roundish, orange-yellow, smooth; corona continuous at center, funnel-shaped, closely ribbed, with a line of orange at rim, frilled, with rim entire.