Fl. forming a double triangle, 88mm wide; perianth segments 37mm long, broadly ovate, blunt, yellow with pale mucro, spreading, plane or with margins incurving at apex, with midrib showing, of heavy substance, overlapping half; the inner segments narrower, scarcely mucronate, shouldered at base; corona 27mm long, narrow funnel shaped, angled, mouth straight and wavy, with rim minutely crenate. Mid-season