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A daylily that exhibits variations in hue, value, or saturation of the base, midrib, or throat color, in such a way that a design is created beyond that of a bold or solid eye, band, halo or watermark, with or without simple picotee edging. This type of “patterning” includes, but is not limited to, daylilies with concentric rings or feathering of color within the eyezone or elsewhere. It excludes selfs, simple bitones, and simple bicolors.
American Daylily Society