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Willdenowia 36 – Article36104

Willdenowia – Annals of the Botanic Garden and Botanical Museum Berlin-Dahlem
ISSN 0511-9618
© 2006 BGBM Berlin-Dahlem.

Vogt, R. & Oberprieler, C.: The genus Plagius (Compositae, Anthemideae).
Willdenowia 36 (Special Issue): 47-68.
doi:10.3372/wi.36.36104

Abstract
A comprehensive treatment of the small western Mediterranean genus Plagius, including morphological, anatomical and cytological details and distribution maps, is presented and the results of a phylogenetic analysis based on nrDNA internal transcribed spacer (ITS) sequence variation discussed. The three species of Plagius are found to form a monophyletic group with 88 % bootstrap support within the Leucanthemum group of genera, which is characterised by a specialised achene anatomy. The chromosome numbers of P. maghrebinus (2n = 18) and P. grandis (2n = 36) are reported for the first time. The basionym of P. grandis is lectotypified.

Key words:
Mediterranean, taxonomy, chromosome number, lectotypification.

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