Fl. forming a double triangle, 100mm wide; perianth segments 41mm long, very broadly ovate, blunt, mucronate, white, spreading, plane or with margins somewhat incurling, smooth and of heavy substance, overlapping half; the inner segments narrower, somewhat shouldered at base, slightly inflexed; corona 39mm long, narrow funnel-shaped, angled, mouth straight and even, with rim narrowly flanged and shallowly notched. Mid-season