MDB 4½” E
From Riverdale Iris Gardens catalog for 1973: “From the creator of Sun Sparkle, winner of the 1972 Caparne Award, comes this lovely little companion. Light yellow stds. Falls the same with small area of bright yellow around the pure white beard. Wide rounded petals, domed and flared. Fine pumila form.”
(Atomic Blue X pumila), HM 1974.