Zygomorphic flowers last longer: the evolution of floral symmetry and floral longevity
R. E. Stephens,
R. V. Gallagher,
M. Méndez
et al.
Abstract:Floral longevity, the length of time a flower remains open and functional, is a phylogenetically conserved trait that balances floral costs against the rate at which flowers are pollinated. Floral symmetry has long been considered a key trait in floral evolution. Although zygomorphic (bilaterally symmetric) flowers typically receive fewer floral visitors than actinomorphic (radially symmetric) flowers, it is yet to be determined whether this could be associated with longer floral longevity. Using newly collect… Show more
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