Fl. 105 mm wide; perianth segments broadly ovate, blunt or truncate, only slightly mucronate, white, spreading, plane to a little concave, with margins incurling at apex, a little creased and of heavy substance, overlapping 1/3;inner segments more narrowly ovate, somewhat inflexed, with margins wavy; corona disc-shaped, broad, closely ribbed, orange, with yellow at base and a broad band of yellow at rim edged with orange, mouth deeply lobed and loosely overlapping, wavy, with rim entire.