NDLI: Separation in flowering time contributes to the maintenance of sympatric cryptic plant lineages

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Separation in flowering time contributes to the maintenance of sympatric cryptic plant lineages

Content Provider	Scilit
Author	Michalski, Stefan G. Durka, Walter
Copyright Year	2015
Description	Journal: Ecology and Evolution Sympatric cryptic lineages are a challenge for the understanding of species coexistence and lineage diversification as well as for management, conservation, and utilization of plant genetic resources. In higher plants studies providing insights into the mechanisms creating and maintaining sympatric cryptic lineages are rare. Here, using microsatellites and chloroplast sequence data, morphometric analyses, and phenological observations, we ask whether sympatrically coexisting lineages in the common wetland plant Juncus effusus are ecologically differentiated and reproductively isolated. Our results show two genetically highly differentiated, homoploid lineages within J. effusus that are morphologically cryptic and have similar preference for soil moisture content. However, flowering time differed significantly between the lineages contributing to reproductive isolation and the maintenance of these lineages. Furthermore, the later flowering lineage suffered less from predispersal seed predation by a Coleophora moth species. Still, we detected viable and reproducing hybrids between both lineages and the earlier flowering lineage and J. conglomeratus, a coexisting close relative. Flowering time differentiation between the lineages can be explained by neutral divergence alone and together with a lack of postzygotic isolation mechanisms; the sympatric coexistence of these lineages is most likely the result of an allopatric origin with secondary contact.
Related Links	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4461419/pdf
Ending Page	2184
Page Count	13
Starting Page	2172
ISSN	20457758
e-ISSN	20457758
DOI	10.1002/ece3.1481
Journal	Ecology and Evolution
Issue Number	11
Volume Number	5
Language	English
Publisher	Wiley-Blackwell
Publisher Date	2015-05-08
Access Restriction	Open
Subject Keyword	Journal: Ecology and Evolution Evolutionary Biology Allochronic Isolation Haplotype Sharing Predispersal Seed Predation
Content Type	Text
Resource Type	Article
Subject	Ecology Ecology, Evolution, Behavior and Systematics Nature and Landscape Conservation

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