| Titre : |
Taxonomic treatment of the Festuca marginata group (Pooideae, Poaceae) on the Iberian Peninsula (SW Europe) |
| Type de document : |
texte imprimé |
| Auteurs : |
Eusebio LOPEZ Eu., Auteur ; Gloria MARTÍNEZ-SAGARRA G., Auteur ; DEVESA J.A., Auteur |
| Année de publication : |
2017 |
| Importance : |
201-224 |
| Langues : |
Français (fre) |
| Catégories : |
ESPAGNE
FESTUCA MARGINATA
NOMENCLATURE BOTANIQUE
|
| Résumé : |
A taxonomic revision of the species of the Festuca marginata group on the Iberian Peninsula is presented. Traditionally, this
group has included several taxa of Festuca sect. Festuca characterized mainly by having three strands of sclerenchyma in
the leaf blade and whose delimitation is difficult. To clarify taxonomy of this group, a morphological, anatomical, chorological
and ecological study was performed on 246 specimens from herbaria and wild populations, and 21 morphological and
anatomical characters were studied biometrically in 72 specimens from 65 different locations. A new taxonomic treatment of
the group is derived from the results of the analyses. Festuca marginata, a species distributed over the east and northeast of
the territory, is recognized with two subspecies: subsp. marginata, which is widely distributed in France but has a restricted
distribution in the Pyrenean area, and subsp. andres-molinae, endemic in the east and northeast of the Iberian Peninsula.
Festuca lambinonii, widely distributed in the mountains of the centre, east and northeast of the territory, is also recognized.
An identification key, descriptions, synonyms, distribution, phenology, and ecology data are provided for the three taxa
recognized. |
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