AUTHOR=Duncan Tanya M., Rausher Mark D. TITLE=Evolution of the selfing syndrome in Ipomoea JOURNAL=Frontiers in Plant Science VOLUME=Volume 4 - 2013 YEAR=2013 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2013.00301 DOI=10.3389/fpls.2013.00301 ISSN=1664-462X ABSTRACT=
Plants that are highly selfing typically exhibit a suite of morphological traits termed a “selfing syndrome,” including reduced corollas and reproductive structures, loss of corolla pigmentation, little anther-stigma separation, and a lower pollen/ovule (P/O) ratio. While it is typically assumed that these changes are adaptive, few attempts have been made to determine whether they result from the operation of natural selection or genetic drift. In the southeastern United States,