Fls 2-3 per stem, 60mm wide; perianth segments 25mm long, ovate, blunt, light greenish yellow, paler along midrib, prominently mucronate, spreading, plane or with margins slightly incurved, smooth and of heavy substance, overlapping one-third to half; the inner segments narrower; corona length cup-shaped, angled, light orange  with pale orange yellow at base, mouth straight and narrowly ribbed, with rim narrowly flanged and minutely crenate.