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Lectotypifi cation, description, and distribution of Arabis deflexa (Cruciferae)

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In this paper, a lectotype for Arabis deflexa Boiss. is designated, and detailed morphological properties and differences between related taxa and a distribution map are given. Furthermore, an IUCN threat category is proposed. | B. MUTLU, S. ERİK Research Article Turk J Bot 36 (2012): 21-26 © TÜBİTAK doi:10.3906/bot-1102-15 Lectotypification, description, and distribution of Arabis deflexa (Cruciferae) Birol MUTLU1,*, Sadık ERİK2 1 Department of Biology, Faculty of Science and Arts, İnönü University, 44280, Malatya - TURKEY 2 Department of Biology, Faculty of Science, Hacettepe University, 06532, Ankara - TURKEY Received: 22.02.2011 Accepted: 22.09.2011 Abstract: In this paper, a lectotype for Arabis deflexa Boiss. is designated, and detailed morphological properties and differences between related taxa and a distribution map are given. Furthermore, an IUCN threat category is proposed. Key words: Arabis deflexa, Brassicaceae, endemic, lectotype, Turkey Arabis deflexa Boiss. (Cruciferae) türünün lectotiplendirmesi, betimi ve dağılımı Özet: Bu çalışmada, Arabis deflexa Boiss. için bir lektotip belirlendi, detaylı morfolojik özellikleri yakın taksonlar ile olan farklılıkları ve bir dağılım haritası verildi. Ayrıca IUCN tehlike kategorisi önerildi. Anahtar sözcükler: Arabis deflexa, Brassicaceae, endemik, lektotip, Türkiye Introduction Arabis L. (Cruciferae) is thought to be a welldefined genus with more than 180 species distributed in the temperate areas of the northern hemisphere. A. alpina L. and A. glabra L. were also reported to be seen in the high mountains of tropical East Africa (Al-Shehbaz, 1988). A compilation has been provided by Al-Shehbaz (1988) including about 75 taxa (60 endemic) from North America, 44 from Europe (30 endemic), 31 from south-west Asia and the Caucasus (20 endemic), 19 from Central Asia (10 endemic), 28 from China and the Far East (22 endemic), and 15 from north-western Africa (6 endemic). Molecular studies on this genus were considerably reduced in size (Koch et al., 1999; Koch et al., 2000; O’Kane & Al-Shehbaz, 2003; Al-Shehbaz et al., 2006). Turritis L. is associated with Arabis, which was established in 1753 by Linnaeus and later by others .