Faik Ahmet KARAVELİOĞULLARI, Sezgin ÇELİK, Birol BAŞER, Ahter YAVRU

Verbascum ergin-hamzaoglui (Scrophulariaceae), Türkiye’nin Güney Anadolu bölgesinden yeni bir tür

Verbascum ergin-hamzaoglui Karavel. sp. nova (Sect. Bothrosperma Murb.), Güney Anadolu’dan bilim dünyası için ilk defa tanımlanmaktadır. Bu yeni türün ve yakın akrabaları olan diğer türlerin (V. diversifolium Hochst. ve V. cymigerum Hub.-Mor.) ayırtedici morfolojik karakterleri tartışılmıştır. Ayrıca Verbascum ergin-hamzaoglui ve yakın türlerin dağılım haritası verilmiştir. Türkiye`den Scrophulariaceae familyasından Verbascum L. cinsine ait 3 taksonun polen morfolojisi ve tohum yüzeyi ışık mikroskobu ve taramalı elekron mikroskobu (SEM) ile incelenmiştir. Bu familyanın polenleri tek tip apertur yapısı göstermektedir. Bu taksonların polenleri genellikle radyal ve izpolar simetrilidir. Polenlerin şekilleri subrolattan spheroidala değişir. Apertur şekli trikolporat, skulupturı tektat ve ornamentasyonu retikulattır. Bu gruptaki tohum rengi kahverengi, tohum şekli V. ergin-hamzaoglui türünde ovat, V. diversifolium ve V. cymigerum türlerinde oblongtur.

Anahtar Kelimeler:

Verbascum, polen morfoloji, tohum yüzeyi, SEM, Türkiye

Verbascum ergin-hamzaoglui (Scrophulariaceae), a new species from South Anatolia, Turkey

Verbascum ergin-hamzaoglui Karavel. sp. nova (Sect. Bothrosperma Murb.), is described for the first time to the scientific community from South Anatolia in Turkey. The diagnostic morphological characters of these new species and other closely related species (V. diversifolium Hochst. and V. cymigerum Hub.-Mor.) are discussed. In addition, distribution maps of V. ergin-hamzaoglui and its related species are provided. The pollen morphologies of 3 taxa belonging to Verbascum L. from the family Scrophulariaceae from Turkey were investigated using a light microscope (LM) and scanning electron microscope (SEM). This family's pollens show similarities to the eurypalynous family. The pollens of these taxa are generally of radial and isopolar symmetries. Pollen shape changes from subprolate to spheroidal. The shape of the aperture is tricolporate, sculpture is tectate, and ornamentation is reticulate. The seeds of this group are brown and are of oblong shape in V. diversifolium and V. cymigerum, while the shape is ovate in V. ergin-hamzaoglui.

Keywords:

pollen morphology, seed surface, SEM, Turkey, Verbascum,

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