Fl. roundish, 90mm wide; perianth segments 34mm long, roundish, very broad, truncate, brilliant greenish yellow 4A, with slight pale mucro, spreading, shallowly concave, smooth and of heavy substance, overlapping half or more; the inner segments narrower; corona 11mm long, bowl-shaped, ribbed, orange (28A), mouth flared and lightly frilled, with rim crenate. Tall. Early