Down the tube: pollinators, predators, and the evolution of flower shape in the alpine skypilot, Polemonium viscosum.


We address how a conflict between pollinator attraction and avoidance of flower predation influences the evolution of flower shape in Polemonium viscosum. Flower shape in P. viscosum is the product of an isometric relationship between genetically correlated (rA = 0.70) corolla flare and length. Bumblebee pollinators preferentially visit flowers that are… (More)


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