Phylogenomics of the North American Desert RadiationLinanthus(Polemoniaceae) Reveals Mixed Trait Lability and No Single Geographic Mode of Speciation
Ioana G. Anghel,
Lydia L. Smith,
Isaac H. Lichter-Marck
et al.
Abstract:PremiseUnderstanding how arid-adapted plants have diversified in harsh environments is a central question in evolutionary biology.Linanthus(Polemoniaceae) occurs in biodiverse dry areas of Western North America and exhibits extensive floral trait variation, multiple color polymorphisms, differences in blooming time, and variation in life history strategies. Here, we reconstruct the evolutionary history of this group.MethodsWe generated restriction-site associated (ddRAD) sequences for 180 individuals and targe… Show more
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