Fl. rounded, 100 mm wide; perianth segments very broad, mucronate, pure white, slightly reflexed, plane, smooth, overlapping half or more; the inner segments broadly ovate, not noticeably mucronate, spreading, with broad midrib showing; corona disc-shaped, finely ribbed, yellow, with a broad and clearly defined band of deep red at rim, mouth split in places and overlapping, tightly frilled.