Amoena
White standards, colored falls.
Bicolor
Standards a different color from the falls.
Bitone
Standards and falls different shades of the same color. Falls usually darker.
Blend
Combination of 2 or more colors, smoothly or unevenly mixed.
Luminata
Style arms and hafts are white or yellow. Remainder of the flower is washed with color, with paler veins.
Border
The edge of the falls is a different color than the color of the standards or falls. If the border is narrow it is called a rim or halo. If the border is wide it can be called a band.
Glaciata
Iris lacking the purple anthocyanin pigment; bright glowing white, yellow, pink, or orange.
Ground color
Usually mentioned with plicatas: solid base color under dots or peppering.
Neglecta
Blue or purple bi-tone, the standards being the lighter tone.
Peppering
A plicata patterning with a sprinkling of contrasting color over an iris with a yellow or white background color.
Plicata
Striped, dotted, or stitched margin color on lighter ground color.
Reverse Amoena
A rarer combination of colored standards and white falls.
Reverse Bitone
When the standards are the darker shade.
Self
Standards and falls are the same color.
Signal
A patch of contrasting color at the tip of the beard.
Stitching
Stitch-like markings around the edge of the petals.
Sunburst
White or light streaks fanning out on the falls, around or beyond the beards.
Variegata
Yellow standards, reddish-colored falls.
Zonal
Distinct white or light area around the beard in the middle of the falls.