scholarly journals Assortative mating by flowering time and its effect on correlated traits in variable environments

2018 ◽  
Author(s):  
Matthew J. Rubin ◽  
Kelly M. Schmid ◽  
Jannice Friedman
Keyword(s):  
Flowering Time ◽  
Assortative Mating ◽  
Correlated Traits ◽  
Variable Environments

scholarly journals The evolution of flowering phenology: an example from the wind-pollinated African Restionaceae

2020 ◽  
Vol 126 (7) ◽  
pp. 1141-1153
Author(s):  
H Peter Linder
Keyword(s):  
Climate Change ◽  
Flowering Time ◽  
Assortative Mating ◽  
Adaptive Radiation ◽  
Flowering Phenology ◽  
Sister Species ◽  
Evolutionary Pattern ◽  
Environmental Correlates

Abstract Background and Aims Flowering phenology is arguably the most striking angiosperm phenophase. Although the response of species to climate change and the environmental correlates of the communities have received much attention, the interspecific evolution of flowering phenology has hardly been investigated. I explored this in the wind-pollinated dioecious Restionaceae (restios) of the hyperdiverse Cape flora, to disentangle the effects of phylogeny, traits, and biotic and abiotic environments on flowering time shifts. Methods I recorded the flowering times of 347 of the 351 species, mapped these over a 98 % complete phylogeny and inferred the evolutionary pattern and abiotic correlates of flowering time shifts. The patterns and biotic/abiotic correlates of restio community mean flowering time were explored using 934 plots. Key Results Restios flower throughout the year, with large spring and smaller autumn peaks. Species flowering time is evolutionarily labile, poorly explained by either the environment or traits of the species, with half of all sister species allochronic. Community mean flowering time is related to elevation, temperature and rainfall. Conclusions Flowering time shifts may result from assortative mating and allochronic speciation, possibly leading to non-adaptive radiation. However, community mean flowering time may be environmentally selected. Diversification of flowering time may be non-adaptive, but species could be filtered through survival in suitable communities.

scholarly journals Assortative mating can help adaptation of flowering time to a changing climate: insights from a polygenic model

2021 ◽  
Author(s):  
Claire Godineau ◽  
Ophélie Ronce ◽  
Céline Devaux
Keyword(s):  
Flowering Time ◽  
Assortative Mating ◽  
Polygenic Model ◽  
Changing Climate
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