Fl. forming a double triangle, 107mm wide; perianth segments 35mm long, somewhat spathulate, blunt, mucronate, spreading, plane, with margins slightly incurved, creased and of membranaceous substance, separate; the inner segments narrower; corona 32mm long, split to base into six segments, two-thirds the width of the perianth segments, white, with yellow at base and in a broad band at rim, smooth and of heavy substance, bi-lobed to one third, with lobes overlapping, lightly frilled and crenate. Mid-season