Fl. rounded, 105 mm wide; perianth segments roundish in outline, very broad, rounded or squarish at apex, scarcely mucronate, white, spreading, plane, smooth and of heavy substance, with broad midrib showing, overlapping half; the inner segments a little narrower, with margins a little wavy; corona bowl-shaped, shallow, broad, loosely ribbed, light orange-red, mouth straight, wavy, with rim split and overlapping in places, entire.