Salix herbacea, as other arctic-alpine species, likely found a refuge from the Ice Age in the Apennines. As the climate changed around them, the trees survived in a fragmenting population. This fragmentation has genetic...
Corymbia species have a high propensity to form interspecific hybrids. Dickinson et al.Β investigate the locations and activity of reproductive isolating barriers between species, and identify pre-zygotic barriers as the...
Highlight Annals of Botany cover Over the years, hundreds of papers have been published describing the genetic changes that occur during evolution of plants, and the differences evident between individual species. An...