Fl. forming a double triangle, 98 mm wide; perianth segments broadly ovate, blunt, prominently mucronate, creamy white, slightly reflexed, concave, with margins sometimes incurling, smooth and of heavy substance, overlapping half; the inner segments slightly narrower, more nearly spreading, ribbed; corona split to base, the 6 segments opposite and closely overlying the perianth segments, as wide as the perianth segments and two-thirds their length, spreading at base, slightly inflexed towards apex, ribbed, moderate yellowish pink, with greenish yellow in tube and pinkish white at margins, very deeply bi-lobed, with the lobes overlapping, frilled.