Fls 11 per stem, 35mm wide; perianth segments 15mm long, roundish in outline, yellowish white, reflexed, concave, with margins incurled or a little wavy, creased, of heavy substance, overlapping half or more; the inner segments more nearly spreading; corona 4mm long, bowl-shaped, clear mid-orange, ribbed, mouth flared, with rim crenate. Strongly scented. Sunproof.

Part of Harold Koopowitz’s “Autumn” Series. Named after the season and the feature that as flower develops, the corona becomes crinkled.