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, patternless). Making use of a phylogeny of Potentilleae, I try whether evolutionary change rates between patterned and non-patterned petals tend to be biased either in path. When I study whether Ultraviolet and human-visible floral patterns are phylogenetically correlated and test the forecast that color patterns will evolve in collaboration with bigger flowers if they be guides to orient pollinators to floral rewards. I found that transition prices had been biased toward pe