Fl. forming a double triangle, 98mm wide; perianth and other petaloid segments greenish white, smooth and of membranaceous substance, in three or more whorls; the outer whorl 41mm long, broadly ovate in outline, rounded to blunt at apex, spreading, plane to a little concave, overlapping half or more; the inner whorls more deeply concave, with margins folded inwards from midrib, successively more inflexed towards center; corona segments 25mm long, half the width of the petaloid segments and interspersed among them, light greenish yellow, heavily frilled, with rim split and overlapping in places, successively more inflexed towards center. Strongly scented.