July 28, 2017

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  • Distribution of studied Fosterella cytotypes.
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    Ecological range shift and polyploidy in Fosterella

    Distribution of polyploidy along a relatively steep Andean elevation gradient is studied using the genus Fosterella (Bromeliaceae) as a model system. Paule et al. observed an ecological differentiation of cytotypes with polyploids preferentially occupying colder habitats with high annual temperature variability (seasonality). Ancestral chromosome number reconstructions suggest a link between polyploidizations, dispersal events and range […] More