Fl. 81 mm wide; perianth segments very broad, blunt and sometimes truncate, prominently mucronate, white, tinged yellow at base and with fine lines of green, spreading or slightly reflexed, concave, overlapping half; inner segments narrower, more usually spreading, with margins wavy; corona bowl-shaped, very shallow, closely and irregularly ribbed, yellow, with green at base and a band of orange-red flecked with white at rim, mouth heavily frilled, often deeply split and overlapping. Scented.