Towards the flower economics spectrum
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Publication date
2020
Authors
Roddy, Adam B.
Martínez‐Perez, Cecilia
Cornelissen,Tatiana G.
Olson, Mark E.
Oliveira, Rafael S.
Silveira, Fernando A. O.
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Wiley
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Roddy, Adam B., et al. «Towards the Flower Economics Spectrum». New Phytologist, vol. 229, n.o 2, enero de 2021, pp. 665-72. DOI.org (Crossref), https://doi.org/10.1111/nph.16823.
Abstract
Understanding how floral traits affect reproduction is key for understanding genetic diversity, speciation, and trait evolution in the face of global changes and pollinator decline. However, there has not yet been a unified framework to characterize the major trade-offs and axes of floral trait variation. Here, we propose the development of a floral economics spectrum (FES) that incorporates the multiple pathways by which floral traits can be shaped by multiple agents of selection acting on multiple flower functions. For example, while pollinator-mediated selection has been considered the primary factor affecting flower evolution, selection by nonpollinator agents can reinforce or oppose pollinator selection, and, therefore, affect floral trait variation. In addition to pollinators, the FES should consider nonpollinator biotic agents and floral physiological costs, broadening the drivers of floral traits beyond pollinators. We discuss how coordinated evolution and trade-offs among floral traits and between floral and vegetative traits may influence the distribution of floral traits across biomes and lineages, thereby influencing organismal evolution and community assembly.
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Acknowledgements
FAOS is supported by grants from FAPEMIG and CNPq. RSO is supported by FAPESP (grant 2019/07773-1) and CNPq. TGC is supported by CNPq (307210-2016). CM-P is supported by the Programa de Becas Posdoctorales, DGAPA UNAM. ABR was supported by the Yale Institute for Biospheric Studies and US NSF grant DEB-1838327. We thank four anonymous reviewers and P. K. Maruyama for comments that significantly improved the manuscript.