An increase in atypical petal numbers during a shift to autogamy in a coastal sand verbena and potential evolutionary mechanisms
E. LoPresti, J. Mickley, A. Darby, C. G. Eckert, M. Foisy, C. Girvin, S. Jaeger, K. Toll, A. C. Van Natto, M. G. Weber
This study investigates the evolutionary shift to autogamy in Abronia umbellata and finds that reduced petal numbers correlate with smaller flowers, suggesting selection for smaller size rather than inbreeding or hybridization.
bioRxiv · Jan 3, 2021 · PreprintEvolutionary Biology