Fl. forming a double triangle, 79mm wide; perianth segments 34mm long, roundish, truncate, scarcely mucronate, white touched yellow, spreading, plane or concave at apex, with midrib showing, of heavy substance, overlapping half; the inner segments narrower, somewhat shouldered at base; corona 29mm long, narrow funnel-shaped, angled, mouth straight, broadly ribbed, lightly frilled and shallowly lobed, with rim crenate. Mid-season