ArticleBMC evolutionary biology2014
The explosive radiation of Cheirolophus (Asteraceae, Cardueae) in Macaronesia.
Article in BMC evolutionary biology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.
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15 citing papers in PubMed, 1 synthesis or guideline pooled it, 65 citations in OpenAlex.
- Shortcomings of Phylogenetic Studies on Recent Radiated Insular Groups: A Meta-Analysis Using Cabo Verde Biodiversity.International journal of molecular sciences · 2019Pooled it
- The extension of the taxon cycle model to island plants: insights from the Canarian vascular flora.Biological reviews of the Cambridge Philosophical Society · 2026Article
- Island biogeography of the megadiverse plant family Asteraceae.Nature communications · 2024Article
- Volcanic ash deposition as a selection mechanism towards woodiness.npj biodiversity · 2023Review
- Parallel anagenetic patterns in endemicAoB PLANTS · 2023Article
- Analysis of intrinsic evolutionary factors leading to microendemic distributions in New Caledonian leaf beetles.Scientific reports · 2023Article
- Reconstruction of the spatio-temporal diversification and ecological niche evolution of Helianthemum (Cistaceae) in the Canary Islands using genotyping-by-sequencing data.Annals of botany · 2021Article
- Polyploidy on Islands: Its Emergence and Importance for Diversification.Frontiers in plant science · 2021Article
- Changing Ecological Opportunities Facilitated the Explosive Diversification of New Caledonian Oxera (Lamiaceae).Systematic biology · 2019Article
- Phylogeography of western Mediterranean Cymbalaria (Plantaginaceae) reveals two independent long-distance dispersals and entails new taxonomic circumscriptions.Scientific reports · 2018Article
- Population Structure, Genetic Diversity, and Evolutionary History ofFrontiers in plant science · 2017Article
- Article
- Spatial and ecological population genetic structures within two island-endemic Aeonium species of different niche width.Ecology and evolution · 2015Article
- The explosive radiation of Cheirolophus (Asteraceae, Cardueae) in Macaronesia.BMC evolutionary biology · 2014Article
- Key processes for Cheirolophus (Asteraceae) diversification on oceanic islands inferred from AFLP data.PloS one · 2014Article
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Authors and funding
6 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundConsidered a biodiversity hotspot, the Canary Islands have been the key subjects of numerous evolutionary studies concerning a large variety of organisms. The genus Cheirolophus (Asteraceae) represents one of the largest plant radiations in the Canarian archipelago. In contrast, only a few species occur in the Mediterranean region, the putative ancestral area of the genus. Here, our main aim was to reconstruct the phylogenetic and biogeographic history of Cheirolophus with special focus on explaining the origin of the large Canarian radiation.
resultsWe found significant incongruence in phylogenetic relationships between nuclear and plastid markers. Each dataset provided resolution at different levels in Cheirolophus: the nuclear markers resolved the backbone of the phylogeny while the plastid data provided better resolution within the Canarian clade. The origin of Cheirolophus was dated in the Mid-Late Miocene, followed by rapid diversification into the three main Mediterranean lineages and the Macaronesian clade. A decrease in diversification rates was inferred at the end of the Miocene, with a new increase in the Late Pliocene concurrent with the onset of the Mediterranean climate. Diversification within the Macaronesian clade started in the Early-Mid Pleistocene, with unusually high speciation rates giving rise to the extant insular diversity.
conclusionsClimate-driven diversification likely explains the early evolutionary history of Cheirolophus in the Mediterranean region. It appears that the exceptionally high diversification rate in the Canarian clade was mainly driven by allopatric speciation (including intra- and interisland diversification). Several intrinsic (e.g. breeding system, polyploid origin, seed dispersal syndrome) and extrinsic (e.g. fragmented landscape, isolated habitats, climatic and geological changes) factors probably contributed to the progressive differentiation of populations resulting in numerous microendemisms. Finally, hybridization events and emerging ecological adaptation may have also reinforced the diversification process.
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