Fl. forming a double triangle, 110mm wide; perianth segments 43mm long, roundish, very broad, blunt, yellow with pale mucro, spreading, plane, creased and of heavy substance, overlapping half or more; the inner segments more nearly ovate, narrower; corona 42mm long, funnel-shaped, angled, mouth flared, ribbed, lightly frilled and shallowly lobed, with rim crenate. Mid-season. Sunproof