Biology:Poeae

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The Poeae are the largest tribe of the grasses, with around 2,500 species in 121 genera.[1] The tribe includes many lawn and pasture grasses.

Taxonomy

Two separate tribes, Poeae and Aveneae, used to be distinguished based on morphology, but phylogenetic analysis showed that they are intermingled. Poeae now includes the former Aveneae. Phylogenetic analyses identified two lineages based on chloroplast genomes. The genera are classified in 25 subtribes.[1]

Reticulate evolution occurred repeatedly in the tribe.[1]

Chloroplast group 1

Torreyochloinae
Aveninae
Phalaridinae
  • Phalaris (syn. Baldingera, Phalaroides, and Typhoides)
Anthoxanthinae

Supersubtribe Agrostidodinae

Brizinae
  • Airopsis Desv.
  • Briza L. (syn. Macrobriza and Brizochloa V.Jirásek & Chrtek)
Echinopogoninae
Calothecinae[2]
  • Boldrinia L.N.Silva
  • Calotheca Desv.
  • Chascolytrum Desv.
  • Condilorachia P.M.Peterson, Romasch. & Soreng[3]
  • Erianthecium Parodi
  • Lombardochloa Roseng. & B.R.Arrill.
  • Microbriza Parodi ex Nicora & Rúgolo
  • Poidium Nees
  • Rhombolytrum Link
  • Rosengurttia L.N.Silva
Paramochloinae[2]
  • Laegaardia P.M.Peterson, Soreng, Romasch. & Barberá
  • Paramochloa P.M.Peterson, Soreng, Romasch. & Barberá
Agrostidinae

Chloroplast group 2

Scolochloinae
Sesleriinae
Airinae
Holcinae
Aristaveninae
  • Deschampsia P.Beauv. (syn. Aristavena F.Albers & Butzin, Scribneria Hack.)

Supersubtribe Loliodinae

Loliinae
Dactylidinae
Cynosurinae[4]
  • Ciliochloa Röser, Tkach & Rasti
  • Cynosurus L.
  • Falona Adans.
Ammochloinae
Parapholiinae

PPAM Clade (including Poodinae)

subtribe incertae sedis
  • Avenula (Dumort.) Dumort. (syn. Homalotrichon Banfi, Galasso & Bracchi)
Coleanthinae

Supersubtribe Poodinae

subtribe incertae sedis
Poinae
  • Poa L. (syn. Anthochloa, Aphanelytrum, Austrofestuca, Dissanthelium Trin., Eremopoa, Libyella, Lindbergella, Neuropoa, Ochlopoa, Parodiochloa, Raimundochloa, Tovarochloa, Tzvelevia)
Miliinae
Phleinae
  • Phleum L. (syn. Maillea Parl.)
Beckmanniinae
Cinninae
Alopecurinae
Ventenatinae

References

  1. ↑ 1.0 1.1 1.2 Soreng, Robert J.; Peterson, Paul M.; Romaschenko, Konstantin; Davidse, Gerrit; Teisher, Jordan K.; Clark, Lynn G.; Barberá, Patricia; Gillespie, Lynn J. et al. (2017). "A worldwide phylogenetic classification of the Poaceae (Gramineae) II: An update and a comparison of two 2015 classifications". Journal of Systematics and Evolution 55 (4): 259–290. doi:10.1111/jse.12262. ISSN 1674-4918.  open access
  2. ↑ 2.0 2.1 da Silva, L.N., Saarela, J.M., Essi, L. and de Souza-Chies, T.T. (2022), A comprehensive species sampling sheds light on the molecular phylogenetics of Calothecinae (Poaceae, Pooideae, Poeae): Evidence for a new subtribe and multiple genera within the Chascolytrum clade. J. Syst. Evol., 60: 691-712. https://doi.org/10.1111/jse.12750
  3. ↑ Peterson, P.M., Soreng, R.J., Romaschenko, K., Barberá, P., Quintanar, A., Aedo, C. and Saarela, J.M. (2022), Phylogeny and biogeography of Calamagrostis (Poaceae: Pooideae: Poeae: Agrostidinae), description of a new genus, Condilorachia (Calothecinae), and expansion of Greeneochloa and Pentapogon (Echinopogoninae). J. Syst. Evol., 60: 570-590. https://doi.org/10.1111/jse.12819
  4. ↑ Natalia Tkach, Sirus Leonard Rasti, Martin Röser. Disentangling conflicting molecular phylogenetic signals in nuclear and plastid DNA of the western Eurasian-Mediterranean grass genus Cynosurus and its relatives (Poaceae subtribes Cynosurinae and Parapholiinae), Molecular Phylogenetics and Evolution, Volume 201, 2024, 108204, ISSN 1055-7903, https://doi.org/10.1016/j.ympev.2024.108204.

Wikidata ☰ Q4310422 entry




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