Centaurea ptosimopappa var. elegans Güzel. Türkiye’den, Centaurea L. (Asteraceae) cinsine ait yeni bir taxon. sect. Ptosimopappus’a dair taksonomik notlar ve lektotipifikasyon ile

Güney Anadolu'daki Amanos Dağları'ndan yeni bir Centaurea (Asteraceae) sect. Ptosimopappus varyetesi tanımlanmıştır. Yeni takson, steril ve fertil derimsi taban yaprak rozetleri ve dallanmış çalımsı habitus gibi ortak morfolojik karakterler nedeniyle bir C. ptosimoppa varyetesidir. Öte yandan, aken morfolojisi ve involucrum, spinule ve gövde yaprak boyutları ile diğer morfolojik ve anatomik farklılıklar nedeniyle C. ptosimopappa'dan farklılıklar gösterir. Varyeteler arasındaki farklılıkları ortaya çıkarmak için detaylı morfolojik, karpolojik ve elektron mikroskobu analizleri yapılmıştır. Ayrıca, C. ptosimoppa var. Ptosimopappus bracteatus basioniminin izotiplerine dayalı olarak Ptosimopappus bracteatus'a lektotip atanmıştır.

Anahtar Kelimeler:

Centaurea, Ptosimopappus, new variety, endemic flora, Lectotypification

Centaurea ptosimopappa var. elegans Güzel. A New Centaurea L. (Asteraceae) taxa from Turkey with taxonomical notes on sect. Ptosimopappus and with lectotypification

A new variety of Centaurea (Asteraceae) section Ptosimopappus from the Amanus Mountains, South Anatolia was described. The new taxon is considered as a variety of C. ptosimopappa due to shared morphological characters such as sterile and fertile leathery basal rosettes and branched shrub habits. On the other hand, it differs by achene morphology and by involucre, spinule and cauline leave sizes as well as other morphological and anatomical differences. Detailed morphological, carpological and microsculptural analyses were carried out in order to reveal the differences between the variety. Also, Lectotype for C. ptosimopappa var. ptosimopappa based on isotypes of its basionym Ptosimopappus bracteatus was designated

Keywords:

Centaurea, Ptosimopappus, new variety, endemic flora, Lectotypification,

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