Fl. rounded, 90 mm wide; perianth segments very broad, squarish, somewhat truncate, with slight whitish mucro, vivid yellow, spreading, plane, smooth and of heavy substance, deeply overlapping; the inner segments a very little narrower; corona deeply split, the six segments each half the length and width of the perianth segments and closely overlying them, forming an outer and an inner whorl of 3, orange, heavily ribbed, frilled. Sunproof.

Named in memory of Reg Nicholl’s wife, Jean.