Interactions among flower-size QTL of Mimulus guttatus are abundant but highly variable in nature.

Interactions among flower size QTLs of Mimulus guttatus are abundant but highly variable in nature

One gene or many? Different genetic mechanisms drive convergent evolution in monkey flowers

...........................................................................................................................................2 Introduction ......................................................................................................................................3 The genetic basis of convergent evolution Approaches to the study of parallel evolution Serpentine soil as ...

The genetic architecture of local adaptation and reproductive isolation in sympatry within the Mimulus guttatus species complex.

The genetic architecture of local adaptation has been of central interest to evolutionary biologists since the modern synthesis. In addition to classic theory on the effect size of adaptive mutations by Fisher, Kimura and Orr, recent theory addresses the genetic architecture of local adaptation in the face of ongoing gene flow. This theory predicts that with substantial gene flow between popula...

Flower size preferences of the honeybee (Apis mellifera) foraging on Mimulus guttatus (Scrophulariaceae)

For pollinators to exert selection on floral traits, they must be able to detect and respond to differences in floral morphologies. I examined foraging preferences by the bee Apis mellifera (Apidae) visiting naturally occurring flowers of Mimulus guttatus (Scrophulariaceae). The results indicate that A. mellifera preferentially selects larger M. guttatus flowers in their foraging bouts. Since d...

The genetics of phenotypic plasticity in plant defense: trichome production in Mimulus guttatus.

Insect herbivory is a major driving force of plant evolution. Phenotypic plasticity and developmental variation provide a means for plants to cope with variable herbivory. We characterized the genetics of developmental variation and phenotypic plasticity in trichome density, a putative defensive trait of Mimulus guttatus (yellow monkeyflower). Our results are evaluated in relation to the optima...