ArticleAnnals of botany2013
Corolla morphology influences diversification rates in bifid toadflaxes (Linaria sect. Versicolores).
Article in Annals of botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed.
- Climatic and edaphic niche shifts during plant radiation in the Mediterranean biodiversity hotspot.Annals of botany · 2025Article
- Addition of nocturnal pollinators modifies the structure of pollination networks.Scientific reports · 2024Article
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- Bird lineages colonizing urban habitats have diversified at high rates across deep time.Global ecology and biogeography : a journal of macroecology · 2022Article
- The genetic mechanisms underlying the convergent evolution of pollination syndromes in the Neotropical radiation ofFrontiers in plant science · 2022Article
- Evolution of habitat preference in 243 species of Bent-toed geckos (GenusEcology and evolution · 2020Article
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- Adaptation to hummingbird pollination is associated with reduced diversification inEvolution letters · 2019Article
- Evolution of nectar spur length in a clade of Linaria reflects changes in cell division rather than in cell expansion.Annals of botany · 2018Article
- Micromorphological and histochemical attributes of flowers and floral reward in Linaria vulgaris (Plantaginaceae).Protoplasma · 2018Article
- Contrasting lengths of Pelargonium floral nectar tubes result from late differences in rate and duration of growth.Annals of botany · 2018Article
- Geometric morphometrics reveals shifts in flower shape symmetry and size following gene knockdown of CYCLOIDEA and ANTHOCYANIDIN SYNTHASE.BMC plant biology · 2017Article
- Characterizing Floral Symmetry in the Core Goodeniaceae with Geometric Morphometrics.PloS one · 2016Article
- Flower color preferences of insects and livestock: effects on Gentiana lutea reproductive success.PeerJ · 2016Article
- Multiple independent origins of auto-pollination in tropical orchids (Bulbophyllum) in light of the hypothesis of selfing as an evolutionary dead end.BMC evolutionary biology · 2015Article
- Quantifying floral shape variation in 3D using microcomputed tomography: a case study of a hybrid line between actinomorphic and zygomorphic flowers.Frontiers in plant science · 2015Article
- Article
- Heterostyly accelerates diversification via reduced extinction in primroses.Proceedings. Biological sciences · 2014Article
- Floral specialization and angiosperm diversity: phenotypic divergence, fitness trade-offs and realized pollination accuracy.AoB PLANTS · 2014Article
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4 authors.
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Abstract
BACKGROUND AND
aimsThe role of flower specialization in plant speciation and evolution remains controversial. In this study the evolution of flower traits restricting access to pollinators was analysed in the bifid toadflaxes (Linaria sect. Versicolores), a monophyletic group of ~30 species and subspecies with highly specialized corollas.
methodsA time-calibrated phylogeny based on both nuclear and plastid DNA sequences was obtained using a coalescent-based method, and flower morphology was characterized by means of morphometric analyses. Directional trends in flower shape evolution and trait-dependent diversification rates were jointly analysed using recently developed methods, and morphological shifts were reconstructed along the phylogeny. Pollinator surveys were conducted for a representative sample of species. KEY
resultsA restrictive character state (narrow corolla tube) was reconstructed in the most recent common ancestor of Linaria sect. Versicolores. After its early loss in the most species-rich clade, this character state has been convergently reacquired in multiple lineages of this clade in recent times, yet it seems to have exerted a negative influence on diversification rates. Comparative analyses and pollinator surveys suggest that the narrow- and broad-tubed flowers are evolutionary optima representing divergent strategies of pollen placement on nectar-feeding insects.
conclusionsThe results confirm that different forms of floral specialization can lead to dissimilar evolutionary success in terms of diversification. It is additionally suggested that opposing individual-level and species-level selection pressures may have driven the evolution of pollinator-restrictive traits in bifid toadflaxes.
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