Fl. 84mm wide; perianth segments 35mm long, roundish, very broad, truncate, slightly mucronate, opening vivid yellow becoming greenish white, reflexed, plane with margins incurved, with midrib showing, creased and of heavy substance, overlapping half or more; the inner segments narrower, more nearly ovate; corona 35mm long, funnel-shaped, angled, vivid yellow, paler towards rim, mouth ribbed, frilled and irregularly lobed, with rim crenate and broadly flanged. Sweetly scented.