Macroevolution of Flower Color Patterning: Biased Transition Rates and Correlated Evolution with Flower Size.

ABSTRACT: Floral pigmentation patterns can both mediate plant-pollinator interactions and modify the abiotic environment of reproductive structures. To date, there have been no inquiries into the rate and directionality of macroevolutionary transitions between patterned and non-patterned petals despite their ecological importance and ubiquity across angiosperms. Petals in the Potentilleae tribe (Rosaceae) display color patterns in the ultraviolet (UV) and human-visible spectrum, or can be uniform in color (i.e., patternless). Using a phylogeny of Potentilleae, I test whether evolutionary transition rates between patterned and non-patterned petals are biased in either direction. I then examine whether UV and human-visible floral patterns are phylogenetically correlated and test the prediction that co

SUBMITTER: Koski MH 

PROVIDER: S-EPMC7344184 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature