Summary
ESS floral lifetimes satisfy the product theorem from sex allocation theory. The dimensionless time investment per flower is a symmetric function of two dimensionless gain : cost ratios, one for each gender function.
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Charnov, E.L. Optimal flower lifetimes. Evol Ecol 10, 245–248 (1996). https://doi.org/10.1007/BF01237682
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DOI: https://doi.org/10.1007/BF01237682