Fls 9-10 per stem, 40mm wide; perianth segments very broadly ovate, blunt, slightly mucronate, white, inflexed, concave, smooth and of heavy substance, overlapping half or more; the inner segments narrower, shouldered at base; corona 7mm long, cup- or broad funnel-shaped, lightly ribbed, opening pale citron, quickly becoming white, mouth straight and even, with rim minutely crenate. Very early. Sunproof. Slightly sweetly scented