Journal
SYSTEMATIC BOTANY
Volume 37, Issue 1, Pages 226-237Publisher
AMER SOC PLANT TAXONOMISTS
DOI: 10.1600/036364412X616792
Keywords
BEAST; cpDNA; chromosome count; coalescent; mitochondrial DNA; RNA polymerase genes
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Funding
- Swedish Research Council (VR)
- Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (FORMAS)
- Royal Physiographic Society in Lund, Helge Ax:son Johnssons stiftelse
- Royal Swedish Academy of Sciences, Liljewalchs resestipendium, Linne-stipendiestiftelsen, and Wallenbergstiftelsen
- NSF [DEB-0808452]
- Microsoft Corporation
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The Californian Silene multinervia (Caryophyllaceae) and Eurasian members of section Conoimorpha in subgenus Behenantha are the only Silene species that have calyces with 15 or more prominent parallel, unbranched veins. We show that S. multinervia, which has been considered a recent introduction of the Asian S. coniflora (section Conoimorpha) to North America, is clearly not synonymous with the latter species based on morphological or molecular data. We present a chromosome count of S. multinervia (2n = 24), which is different from the base number x = 10, a putative synapomorphy for section Conoimorpha. Gene trees based on sequences from three different genomes fail to group S. multinervia with the European section Conoimorpha species. The S. multinervia sequences form a monophyletic group placed in an unresolved position within subgenus Behenantha.
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