Fls 2-3 per stem, forming a double triangle, 65mm wide; perianth segments 27mm long, ovate in outline, rounded at apex, mucronate, deep lemon yellow, spreading, plane or with margins a little incurved, smooth and of heavy substance, overlapping one-third; the inner segments narrower, shouldered at base, less prominently mucronate; corona 12mm long, cup-shaped, smooth, becoming white, mouth straight, lightly ribbed, wavy, with rim crenate. Late. Sweetly scented.