Fl. 100mm wide; perianth segments 40mm long, roundish, very broad, mucronate, opens pale lemon yellow becoming white when aged, spreading, concave, smooth and of membranaceous substance, overlapping half; the inner segments narrower, broadly ovate, blunt, less prominently mucronate; corona 16mm long, disc-shaped, angled, yellow, with a narrow band of orange at rim, mouth expanded, ribbed, frilled and lobed, with rim a little notched. Sunproof. Strongly scented.