Silene hamzaoglui Budak sp. nova is described as a new species from Çekerek (Yozgat, Turkey). The specimen was collected from calcareous rocky places, at an altitude between 1140 and 1180 m. The new species is similar to Silene duralii and Silene capillipes Boiss. & Heldr. The differences among these 3 species are discussed. | Ü. BUDAK, M. KOÇ Research Article Turk J Bot 35 (2011) 285-289 © TÜBİTAK doi: Silene hamzaoglui (Caryophyllaceae), a new species from Çekerek (Yozgat, Turkey) Ümit BUDAK*, Murat KOÇ Department of Biology, Faculty of Science and Arts, Bozok University, 66200, Yozgat - TURKEY Received: Accepted: Abstract: Silene hamzaoglui Budak sp. nova is described as a new species from Çekerek (Yozgat, Turkey). The specimen was collected from calcareous rocky places, at an altitude between 1140 and 1180 m. The new species is similar to Silene duralii and Silene capillipes Boiss. & Heldr. The differences among these 3 species are discussed. Key words: Silene, Macranthae, systematics, taxonomy Çekerek’ten (Yozgat/Türkiye) yeni bir tür Silene hamzaoglui (Caryophyllaceae) Özet: Silene hamzaoglui Budak sp. nova Çekerek’ten yeni bir tür olarak tanımlandı (Yozgat/Türkiye). Bitki kalkerli kayalık yerlerden, 1140-1180 metreler arasından toplandı. Yeni tür Silene duralii ve Silene capillipes Boiss. & Heldr. türlerine yakındır. Türler arasındaki farklar tartışıldı. Anahtar sözcükler: Silene, Macranthae, sistematik, taksonomi Introduction Silene L. is the largest genus in the family Caryophyllaceae. It comprises ca. 700 species that are mainly found in N temperature regions, Africa, and South America. Among those, ca. 600 species are found in Eurasia (Melzheimer, 1988; Bittrich, 1993). South-west Asia is one of the main centres of diversity for the genus, which is represented by 146 species in Turkey (Coode & Cullen, 1967; Davis et al., 1988; Greuter, 1995; Tan & Vural, 2000; Duran & Menemen, 2003; Deniz & Düşen, 2004; Genç et al., 2007; Bağcı et al., 2007; Bağcı, 2008; Tugay & Ertuğrul, 2008; Aksoy et al., 2008; Kandemir et al., 2009; Yıldız & Dadandı, 2009; Özhatay et al., 2009; Hamzaoğlu et al., 2010; Yıldız & Erik, 2010; Yıldız et al., 2010). The genus Silene is divided into 31 sections in Turkey. Among these, the section .
