Fl. 98 mm wide; perianth segments broadly ovate in outline, rounded or somewhat truncate at apex, mucronate, lemon yellow, reflexed, plane, or with margins incurved, smooth and of mebranaceous substance, overlapping half; the inner segments narrower, shouldered at base; corona split to base, the six segments closely overlying the perianth segments and almost as long, loosely ribbed, mid-pink, tinged yellow at base and margins, lobed and frilled, with rim dentate.