Pollen limitation and natural selection on floral characters in the yellow monkeyflower, Mimulus guttatus.

Abstract excerpt

In flowering plants, pollen limitation has been proposed to intensify selection on floral characters important in pollinator attraction, but may also select for traits that increase seed set through autonomous selfing. Here, a factorial design (+/- pollen addition, +/- pollinator removal) was used to investigate how the pollination environment affects selection on floral morphology via female fitness in a...

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