Updated taxonomic descriptions, iconography, and habitat preferences of Brachypodium distachyon, B. stacei, and B. hybridum (Poaceae)

Authors

  • Pilar Catalán Department of Agriculture and Environmental Sciences, High Polytechnic School of Huesca, University of Zaragoza - Department of Botany, Institute of Biology, Tomsk State University
  • Diana López-Álvarez Department of Botany, Institute of Biology, Tomsk State University
  • Cristina Bellosta Department of Botany, Institute of Biology, Tomsk State University
  • Luis Villar Instituto Pirenaico de Ecología (IPE-CSIC), Consejo Superior de Investigaciones Científicas

DOI:

https://doi.org/10.3989/ajbm.2428

Keywords:

annual model grass species, Brachypodium, ecology, illustrations, morphology, taxonomy

Abstract


We present an updated morphological revision of the three annual species of the genus Brachypodium (Poaceae): B. distachyon, B. tacei, and B. hybridum, which were recently segregated as independent species from the single-species complex B. distachyon s.l. These three species have been proposed as a model system for grass polyploid speciation, and their genomes have been sequenced. However, despite the increasing number of genomic and population-genetic studies conducted for each of these species, no taxonomic updating has been done on them since their original descriptions. B. stacei, the rarest species of the complex, has a protologue based only on the study of specimens from its type locality in Torrent (Formentera, Spain). In this study we update the taxonomic descriptions of the three species using morphoanatomical data from specimens collected throughout their respective native circum-Mediterranean distributions as well as in other localities where they are non-autochthonous. We also provide icons for each species and information about their habitat preferences and geographic distributions.

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References

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Published

2016-06-30

How to Cite

Catalán, P., López-Álvarez, D., Bellosta, C., & Villar, L. (2016). Updated taxonomic descriptions, iconography, and habitat preferences of Brachypodium distachyon, B. stacei, and B. hybridum (Poaceae). Anales Del Jardín Botánico De Madrid, 73(1), e028. https://doi.org/10.3989/ajbm.2428

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