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Morphological, anatomical, palynological, karyological and autecological characters of Centaurea amaena Boiss. & Balansa [Sect. Phalolepis (Centaurea/Asteraceae)]

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Abstract

Centaurea amaena Boiss. & Balansa included in the Phalolepis section of the Compositae (Asteraceae) family is an endemic species that is under critical risk of extinction. The morphological, anatomical, palynological, karyological and autecological features have been studied in this study. In accordance with the new observations, additional information was added to the previous description of the species, and the description was edited. Moreover, threat category of C. amaena has been updated according to International Union for Conservation of Nature criterions as CR B2ab(i,iii) (previously EN). Pollen grains are symmetric and isopolar, tricolporate. The somatic chromosome number is determined as 2n = 18 in C. amaena. The karyotype formula of this species consists of three median chromosome pairs and six submedian chromosome pairs. The physical and chemical properties of the soil in which the plant grows are, sandy-loam, weak acid, high organic matter.

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Acknowledgments

We are grateful to Erciyes University Research Fund for the financial given for this project (project no: FBY-11-3678). This paper is a part of master thesis of Bayram Atasagun.

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Authors and Affiliations

  1. Department of Biology, Science Faculty, Erciyes University, 38039, Kayseri, Turkey

    Bayram Atasagun & Ahmet Aksoy

  2. Department of Biology, Education Faculty of Ahmet Kelesoglu, Necmettin Erbakan University, 42090, Konya, Turkey

    Esra Martin

  3. Department of Soil Science, Agricultural Faculty, Erciyes University, 38039, Kayseri, Turkey

    Oğuzhan Uzun

Authors
  1. Bayram Atasagun
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  2. Ahmet Aksoy
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  3. Esra Martin
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  4. Oğuzhan Uzun
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Correspondence to Bayram Atasagun.

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Atasagun, B., Aksoy, A., Martin, E. et al. Morphological, anatomical, palynological, karyological and autecological characters of Centaurea amaena Boiss. & Balansa [Sect. Phalolepis (Centaurea/Asteraceae)]. Plant Syst Evol 299, 1761–1767 (2013). https://doi.org/10.1007/s00606-013-0831-9

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  • DOI: https://doi.org/10.1007/s00606-013-0831-9

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