EVREN CABİ, ROBERT JOHN SORENG, LYNN GILLESPIE

7992

Taxonomy of Poa jubata and a new section of the genus (Poaceae)

Poa jubata A.Kern. is an ephemeral, southeastern European species of which little is known. A molecular phylogenetic analysis of Poa L., including all previously identified major lineages, shows this species to be isolated, with a genotype here designated as J (plastid) j (nrDNA). It is assigned to the monotypic P. sect. Jubatae sect. nov. The section is differentiated from other Poa sections in having 5-nerved upper glumes, very narrow palea flanges, an annual habit, and erect solitary culms. Poa jubata occurs along coastal regions of the Balkans and is rather rare. Two new collections were made in 2015 in Thrace, Turkey, in vernal pool habitats with clay soils, thus expanding its known habitat. The species is described in detail and illustrated, and its relationships are discussed.
Keywords:

Morphology, taxonomy, DNA, Europe, Balkans region phylogeny, genotype, annual habit,

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Turkish Journal of Botany-Cover
  • ISSN: 1300-008X
  • Yayın Aralığı: 6
  • Yayıncı: TÜBİTAK
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