Dahlia Color Variation at Its Limits
Composite flowers usually arrange the colors of their ray flowers symmetrically. But here is a dahlia that has departed strikingly from the traditions of its tribe, presenting some petals that are striped and others that are of uniform color. It would be interesting to observe the range of color variation that would be shown by the plants that might be grown from the seeds of this single flower.
This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 9 Chapter 7