Alpine treelines and shrublines are highly sensitive to environmental change. In this Review, we summarize their global patterns and trends, underlying mechanisms and impacts. Continental alpine ...

The mid-domain effect (MDE) explains altitudinal patterns of species diversity of mountainous plants at different elevations. However, its application is limited by the species life form and family ...

Sex in plants can be befuddling. Most species are hermaphrodites, expressing both male and female gametes in one individual. But some, including shrub willow Salix purpurea, employ the evolutionary ...