ArticlePhilosophical transactions of the Royal Society of London. Series B, Biological sciences2010
Diversity and evolution of floral structure among early diverging lineages in the Ericales.
Article in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 36 citations in OpenAlex.
- Angiosperm flowers reached their highest morphological diversity early in their evolutionary history.The New phytologist · 2024Article
- Exploring the diversity of andean berries from northern Peru based on molecular analyses.Heliyon · 2022Article
- How (much) do flowers vary? Unbalanced disparity among flower functional modules and a mosaic pattern of morphospace occupation in the order Ericales.Proceedings. Biological sciences · 2017Article
- Assessing the Fossil Record of Asterids in the Context of Our Current Phylogenetic Framework.Annals of the Missouri Botanical Garden. Missouri Botanical Garden · 2015Article
- The floral morphospace--a modern comparative approach to study angiosperm evolution.The New phytologist · 2014Review
- Floral structure of Emmotum (Icacinaceae sensu stricto or Emmotaceae), a phylogenetically isolated genus of lamiids with a unique pseudotrimerous gynoecium, bitegmic ovules and monosporangiate thecae.Annals of botany · 2014Article
- Micromorphology and ultrastructure of the floral nectaries of Polemonium caeruleum L. (Polemoniaceae).Protoplasma · 2012Article
- Self-sterility in flowering plants: preventing self-fertilization increases family diversification rates.Annals of botany · 2012Article
- Floral development of Hydrocera and Impatiens reveals evolutionary trends in the most early diverged lineages of the Balsaminaceae.Annals of botany · 2012Article
- Glandulocalyx upatoiensis, a fossil flower of Ericales (Actinidiaceae/Clethraceae) from the Late Cretaceous (Santonian) of Georgia, USA.Annals of botany · 2012Article
- Article
- Darwin and the evolution of flowers.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2010Article
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Authors and funding
3 authors at 3 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
This is a combination of review and original data on floral structure and diversity in the two earliest diverging lineages of the Ericales, i.e. the balsaminoids, comprising Balsaminaceae, Marcgraviaceae and Tetrameristaceae, and the polemonioids, comprising Fouquieriaceae and Polemoniaceae. Each clade is strongly supported in molecular studies, while structural synapomorphies have largely been lacking. For the balsaminoid families, we compare floral morphology, anatomy and histology among selected taxa and find that the entire clade is strongly supported by the shared presence of nectariferous tissue in the floral periphery, thread-like structures on anthers, truncate stigmas, secretion in the ovary, as well as mucilage cells, raphides and tannins in floral tissues. A possible sister group relationship between Balsaminaceae and Tetrameristaceae is supported by the shared presence of post-genital fusion of filaments and ovary and a star-shaped stylar canal. For polemonioids, we document unexpected diversity of floral features in Polemoniaceae, partly providing structural links to Fouquieriaceae. Features include cochlear and quincuncial corolla aestivation, connective protrusions, ventrifixed anthers and nectariferous tissue in the base of the ovary. In addition, we outline future directions for research on floral structure in the Ericales and briefly discuss the general importance of structural studies for our understanding of plant phylogeny and evolution.
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