Fl. 100 mm wide; perianth segments very broad, truncate, prominently mucronate, spreading, a little creased, overlapping half or more; corona split, the six segments half to three-quarters the length of the perianth segments and alternate to them, ovate or oblong, deeply bi-lobed, buttercup yellow, with flecks of orange at apex and with patches of white at margins, slightly inflexed, with margins incurling, overlapping, with a short extra growth at base beneath.