Woody perennial plants on islands have repeatedly evolved from herbaceous mainland
ancestors. Although the majority of species in Euphorbia subgenus Chamaesyce section …

Euphorbia subg. Chamaesyce Raf. contains about 600 species and includes the largest
New World radiation within the Old World-centered Euphorbia (Euphorbiaceae). It is one of …

Background Putative phytogeographical links between America (especially North America)
and the Hawaiian Islands have figured prominently in disagreement and debate about the …

Biodiversity patterns emerge as a consequence of evolutionary and ecological processes.
Their relative importance is frequently tested on model ecosystems such as oceanic islands …

Aim A detailed database of distributions and phylogenetic relationships of native Hawaiian
flowering plant species is used to weigh the relative influences of environmental and …

Hawaiian plant radiations often result in lineages with exceptionally high species richness
and extreme morphological and ecological differentiation. However, they typically display …

Aim To estimate the rate of adaptive radiation of endemic Hawaiian Bidens and to compare
their diversification rates with those of other plants in Hawaii and elsewhere with rapid rates …

This study quantifies long–term landscape changes in the Hawaiian archipelago relating to
dispersal, speciation and extinction. Accounting for volcano growth, subsidence and …

The Hawaiian Euphorbia is an assemblage of 17 species, seven of which are endangered
and four others rare. Euphorbia kuwaleana is an endangered species of small shrubs …

Previous studies have demonstrated the ecological sorting of herbaceous C3 and C4
species along gradients of precipitation and temperature: C4 herbaceous species typically …