Fl. 80mm wide; perianth segments 34mm long, broadly ovate, blunt, brilliant greenish yellow 4A (in cooler seasons or geographical regions the perianth is or may be flushed orange), with slight pale mucro, spreading, plane, creased and of heavy substance, overlapping half; the inner segments narrower, truncate, scarcely mucronate, with margins incurved; corona 13mm long, cup-shaped, ribbed, strong orange (25A), mouth wavy and a little expanded, with rim notched. Mid-season