Darwin's beautiful contrivances: evolutionary and functional evidence for floral adaptation

LD Harder, SD Johnson - New Phytologist, 2009 - Wiley Online Library
Although not 'a professed botanist', Charles Darwin made seminal contributions to
understanding of floral and inflorescence function while seeking evidence of adaptation by …

Fragaria: A genus with deep historical roots and ripe for evolutionary and ecological insights

A Liston, R Cronn, TL Ashman - American journal of botany, 2014 - Wiley Online Library
The cultivated strawberry, Fragaria× ananassa, is one of the youngest domesticated plants.
Its 18th century origin via hybridization in Europe between the North American F. virginiana …

Pollinators exert natural selection on flower size and floral display in Penstemon digitalis

AL Parachnowitsch, A Kessler - New Phytologist, 2010 - Wiley Online Library
A major gap in our understanding of floral evolution, especially micro‐evolutionary
processes, is the role of pollinators in generating patterns of natural selection on floral traits …

Evolutionary interactions between plant reproduction and defense against herbivores

MTJ Johnson, SA Campbell… - Annual Review of …, 2015 - annualreviews.org
Coevolution is among the most important evolutionary processes that generate biological
diversity. Plant–pollinator interactions play a prominent role in the evolution of reproductive …

Gynodioecy to dioecy: are we there yet?

RB Spigler, TL Ashman - Annals of Botany, 2012 - academic.oup.com
Background The 'gynodioecy–dioecy pathway'is considered to be one of the most important
evolutionary routes from hermaphroditism to separate sexes (dioecy). Despite a large …

Sniffing out patterns of sexual dimorphism in floral scent

TL Ashman - Functional Ecology, 2009 - Wiley Online Library
A major transition in flowering plants has been the evolution of separate sexes (dioecy) from
combined sexes (hermaphroditism). This transition is often, but not always, accompanied by …

The evolutionary consequences of indirect effects

MR Walsh - Trends in Ecology & Evolution, 2013 - cell.com
Indirect effects occur when the effect of one species on another is mediated by a third
species or through other links in the ecosystem. Indirect interactions are widespread in …

Ovule number per flower in a world of unpredictable pollination

M Burd, TL Ashman, DR Campbell… - American Journal of …, 2009 - Wiley Online Library
The number of ovules per flower varies over several orders of magnitude among
angiosperms. Here we consider evidence that stochastic uncertainty in pollen receipt and …

Sex and life‐history stage alter herbivore responses to a chemically defended red alga

A Vergés, NA Paul, PD Steinberg - Ecology, 2008 - Wiley Online Library
Intraspecific variation in resistance to herbivory among genders and life‐history phases of
primary producers can significantly alter the ecological and evolutionary consequences of …

Revisiting the dioecy-polyploidy association: alternate pathways and research opportunities

TL Ashman, A Kwok, BC Husband - Cytogenetic and Genome Research, 2013 - karger.com
The evolutionary transition from hermaphroditism (combined sexes) to dioecy (separate
sexes) is associated with whole genome duplication (polyploidy) in several flowering plant …