Fl. 104mm wide; perianth segments 41mm long, broadly ovate, blunt, mucronate, slightly darker than brilliant greenish yellow, spreading, plane, smooth and of heavy substance, overlapping half or more; the inner segments narrower; corona 40mm long, funnel-shaped, smooth, slightly more yellow than vivid yellow, mouth expanded, broadly and lightly ribbed, frilled and irregularly lobed, with rim crenate and broadly flanged. Strongly scented.