The sibling allopolyploids investigated here show at least partly overlapping flowering time in sympatry (Bateman, 2011; personal observation) making gene flow possible.

Cytological investigation has shown the occurrence of diploid to decaploid populations, that may be autopolyploids as well as allopolyploids (Raman and Kesavan, 1964; Barrett, 1978; Arbo and Fernández ...

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Desiccation tolerance (DT) is a fundamental trait that is widespread and developed early in the evolution of the land plants (1, 2), and it is believed to have been critical in the colonization of the ...

1 State Key Laboratory of Efficient Production of Forest Resources, National Engineering Research Center for Floriculture, Peony International Institute, School of Landscape Architecture, Beijing ...

Chromosome number and meiotic behavior were evaluated in 36 Brazilian accessions of the grass Paspalum (which had never previously been analyzed) to determinate which accessions might be useful in ...