Fl. 70mm wide; perianth segments 29mm long, roundish, very broad, mucronate, white, spreading to a little reflexed, plane or with margins incurved, with midrib showing, of heavy substance, overlapping half; the inner segments narrower, ovate, truncate, scarcely mucronate, more nearly plane; corona 4mm long, disc-shaped, very lightly ribbed, brilliant yellow 8A, with a narrow band of orange-red (33A) at rim, mouth straight and wavy, with rim minutely crenate.