Fl. 105mm wide; perianth segments 42mm wide, very broadly ovate, blunt, mucronate, white, spreading, plane to a little concave, smooth or with midrib showing, of heavy substance, overlapping one-third; the inner segments significantly narrower, shouldered at base, slightly inflexed; corona 13mm long, disc-shaped, broadly ribbed, opening yellow, with green at base, becoming white, with deep green at base and a narrow band of golden yellow at rim, mouth expanded, ribbed and frilled, with rim dentate. Strongly scented.