Fl. forming a double triangle, 130mm wide; perianth segments 52mm long, broadly ovate, blunt, scarcely mucronate, spreading to very slightly reflexed, plane or with margins a little incurved, creased, of heavy
substance, overlapping half; the inner segments narrower, shouldered at base; corona 54mm long, funnel-shaped, smooth, mouth expanded, very heavily frilled and deeply lobed, with rim crenate.