Fl. rounded, 102mm wide; perianth segments 41mm long, rounded, very broad, slightly truncate, yellow, with scarce pale mucro, spreading, plane, with margins narrowly incurling at apex, smooth and of heavy substance, overlapping more than half; the inner segments narrower, shouldered at base; corona 22mm long, funnel-shaped, angled, mouth straight, narrowly ribbed, lightly frilled and shallowly lobed, with rim minutely crenate. Mid-season. Sunproof