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The Wild Tomato Clade Offers Insights Into Fleshy Fruit Trait Evolution At The Phenotypic And Molecular Levels, Jacob R. Barnett
The Wild Tomato Clade Offers Insights Into Fleshy Fruit Trait Evolution At The Phenotypic And Molecular Levels, Jacob R. Barnett
Doctoral Dissertations
Biologists have long been fascinated by the diversity of fleshy fruits, yet questions remain as to how this variety has evolved. According to the dispersal syndrome hypothesis, flowering plants improved their reproductive success by producing fleshy fruits with appealing combinations of traits that attract animal dispersers. However, animal preferences may not be the only selective pressure driving fruit trait diversity—conflicting forces include damage-inflicting seed predators and pathogens, abiotic habitat conditions, or constraints stemming from non-adaptive mechanical, developmental, or phylogenetic limitations. Few studies have examined the early stages of fleshy fruit evolution across an entire clade of recently diverged plant species. …