A new Centaurea L. (Asteraceae) species from Turkey

A new Centaurea L. (Asteraceae) species from Turkey is described and illustrated. Centaurea dursunbeyensis Uysal & Köse exists on limestone crevices in ancient Dursunbey Forest (Balikesir) in western Anatolia. | Research Article Turk J Bot 33 (2009) 41-46 © TÜBİTAK doi: A New Centaurea L. (Asteraceae) Species from Turkey Tuna UYSAL1,*, Y. Bülent KÖSE2 1 Selçuk University, Faculty of Science and Arts, Department of Biology, 42031, Konya - TURKEY 2 Anadolu University, Faculty of Pharmacy, Pharmaceutical Botany, 26470 Eskişehir - TURKEY Received: Accepted: Abstract: A new Centaurea L. (Asteraceae) species from Turkey is described and illustrated. Centaurea dursunbeyensis Uysal & Köse exists on limestone crevices in ancient Dursunbey Forest (Balikesir) in western Anatolia. It belongs to C. sect. Phalolepis (Cass.) DC., and taxonomically its closest relatives are C. aphrodisea Boiss. and C. cadmea Boiss. Diagnostic morphological characters from very similar taxa are provided, and a key is provided that includes related species of sect. Phalolepis from Turkey. The geographical distribution of the new species and species of other related taxa of the same section are mapped. The chromosome number of C. dursunbeyensis, 2n = 36, counted in root tips, is also reported and illustrated. Key Words: Endemic, sect. Phalolepis, taxonomy, chromosome, Turkey Türkiye’den Yeni Bir Centaurea L. (Asteraceae) Türü Özet: Türkiye’den yeni bir Centaurea L. türü betimlenmiş ve çizilmiştir. Centaurea dursunbeyensis Uysal & Köse Batı Anadolu’da antik Dursunbey (Balikesir) ormanlarında kireçtaşı oyuklarda sınırlıdır. Centaurea dursunbeyensis Phalolepis (Cass.) DC. seksiyonuna aitdir ve taksonomik olarak en yakın akrabası C. aphrodisea Boiss. ve C. cadmea Boiss. türleridir. Yakın biçimde benzer taksonlardan ayırtedici morfolojik karakterler sağlanmış ve benzer Türk Phalolepis türlerinin ilgili anahtarında düzenlenmiştir. Aynı seksiyonun yakın ilişkili türleriyle, yeni türün dağılımı haritalanmıştır. Centaurea dursunbeyensis’in kromozom sayısı kök uçlarından 2n = 36 olarak sayılmış, aynı zamanda raporu ve resmi verilmiştir. Anahtar Sözcükler: Endemik, .

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