Trait evolution drives speciation through complex interactions between genome size, adaptation and allometry.

Abstract excerpt

Speciation shapes biodiversity, yet why some lineages diversify faster than others remains unclear. Theory predicts that traits promote ecological speciation through adaptation, but their evolvability ('trait flexibility') may be impacted by allometric and genomic constraints. Here we test this by integrating phylogenetic, trait and genome size data for palms (Arecaceae)-a large pantropical family (>2500 species)...

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