Hybridization can facilitate both evolutionary diversification and extinction and has had a
critical role in plant evolution, with c. 25% of species known to hybridize in some temperate …

Plant–hummingbird interactions are considered a classic example of coevolution, a process
in which mutually dependent species influence each other's evolution. Plants depend on …

Background There are conflicting views between palaeobotanists and plant systematists/
evolutionary biologists regarding the occurrence of plant speciation in the Quaternary …

The evolution of hummingbird pollination is common across angiosperms throughout the
Americas, presenting an opportunity to examine convergence in both traits and …

Evolutionary shifts from bee to vertebrate pollination are common in tropical mountains.
Reduction in bee pollination efficiency under adverse montane weather conditions was …

Pollination and seed dispersal are crucial processes for plant reproduction, sharing
ecological relevance and similarities, yet they have rarely been considered together …

Hybridization is increasingly recognized as an important evolutionary process across the
tree of life. In many clades, phylogenomic approaches have permitted unparalleled insight …

Barriers to reproduction are often how progress in speciation is measured. Nonetheless, an
unresolved question concerns the extent to which reproductive barriers diminish gene flow …

The Neotropical region is the most diverse on the planet, largely owing to its mosaic of
tropical rainforests. Multiple tectonic and climatic processes have been hypothesized to …

Abiotic factors (eg, temperature, precipitation) vary markedly along elevational gradients and
differentially affect major groups of pollinators. Ectothermic bees, for example, are impeded …