Türkiye'den Alysseae Tribusunun (Brassicaceae) 21 Temsilcisinin Petiyol Anatomisi

Bu çalışma, Türkiye'den Alysseae tribusunun 5’i endemik 21 temsilcisinin petiyol anatomisini ayrıntılı olarak sunmaktadır. İncelenen taksonlarda, petiyol şekli, iletim demetlerinin sayı ve düzenlenmesi ve kollenkima varlığında farklılıklar bulunmuştur. Petiyol şekilleri sulkat, dairesel veya yassı tiplerdedir. En yaygın tip küt veya sivri kenarlı sulkattır. Epidermis 1, 2 veya daha fazla tabakalıdır. İncelenen taksondaki iletim demeti sayısı toplamda 1 (Berteroa mutabilis) ve 9 (Alyssum strictum ve A. strigosum subsp. strigosum) arasında değişmektedir. Ek olarak, ortadaki iletim demetleri 1-5 loblu geniş veya dar yay şeklindedir. Bu sonuçlar, incelenen taksonlar arasında karşılaştırılan petiyol anatomik özelliklerinin, Türkiye Florasındaki geleneksel sıralamadaki dağılımları ile kısmen uyumlu olduğunu göstermektedir

Petiole Anatomy of 21 Representatives of Tribe Alysseae (Brassicaceae) from Turkey

This paper presents in detail petiole anatomy of 21 representatives oftribe Alysseae, 5 of which are endemic from Turkey. In the examinedtaxa, differences have found in the petiole shape, arrangement andnumber of vascular bundles, and the presence of collenchyma. Petioleshapes are in sulcate, circular, or flat types. The most common type issulcate with blunt or acute margins. The epidermises are in 1, 2 ormore layer. The number of vascular bundles in the examined taxavaries between 1 (Berteroa mutabilis) and 9 (Alyssum strictum and A.strigosum subsp. strigosum) in total. In addition, vascular bundles inthe middle are broadly or narrowly arc-shaped with 1-5 lobed. Theseresults display that the compared petiole anatomical characteristicsamong the examined taxa are somewhat suitable to their delimitationin traditional rank in the Flora of Turkey.

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