Fl. 96mm wide; perianth segments 42mm long, ovate, blunt, light greenish yellow, with slight pale mucro, spreading to a little reflexed, plane, with margins narrowly incurling and with midrib showing, of heavy substance, overlapping half; the inner segments a little narrower, scarcely mucronate, spreading; corona 23mm long, split to more than half its length into six segments, each half the length of and as wide as the perianth segments, bi-lobed, orange, lightly ribbed and frilled. Strongly scented.