Asymmetries of reproductive isolation are reflected in directionalities of hybridization: integrative evidence on the complexity of species boundaries

What is it about?

Understanding how species diversity is formed and maintained has puzzled scientists for centuries. Specifically, the extraordinary diversity of angiosperms is often attributed to flowers, which enable the evolution of close relationships with their pollinators, promoting reproductive isolation, thus spurring diversification. We provide key new insights on the complex nature of species boundaries and demonstrate that generalist pollinators can be important in maintaining species integrity.

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