Perianth cream on opening, going white; citron cup unfading; Fl. 110 mm wide, rounded; perianth segments very broadly ovate, rounded at apex, fairly prominently mucronate, creamy white on opening, soon becoming pure white, spreading, smooth, with margins slightly incurving, and with midrib showing, overlapping half; the inner segments only a little narrower; corona broad, shallow, unfading citron yellow, with green at base, mouth loosely frilled, with deeply overlapping lobes.