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Onosma korukluei (Boraginaceae) a new species from Türkiye

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Summary

A new species of Onosma L. (Boraginaceae: Lithospermeae), Onosma korukluei, from Konya Province, in central Anatolia, Türkiye, is described and illustrated. It belongs to section Onosma subsection Asterotricha. The new species is close to O. roussaei in having several rows of setules on its leaf and stem tubercles, and a papillate corolla, but distinguished from it by its very dense, prickly, appressed trichomes with stellate hairy tubercles with 3 – 4 rows of 20 – 30 asterosetules; linear to narrow spathulate leaves; basal leaves not shrivelled at flowering time; smaller bracts; shorter pedicels; cylindrical, white, sparsely pubescent corollas; and narrower nutlets. Diagnostic morphological, palynological, and nutlet characters are compared and discussed. Indumentum and pollen micrographs of O. korukluei from scanning electron microscopy are presented. The geographical distributions and map, detailed photographs, habitat descriptions, and an identification key for O. korukluei and O. roussaei are provided along with a vernacular name and an IUCN conservation status for O. korukluei.

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Acknowledgements

The authors are grateful to the curators of ANK and HUB for access to Onosma materials for this study. Also, we would like to thank Phd. Zekiye Suludere for her contribution to our interpretation by taking photos of the pollen illustration.

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Authors and Affiliations

  1. Department of Biology, Faculty of Science, Gazi University, Ankara, Türkiye

    Zeki Aytaç, Tuğba Ertuğrul & Ahter Fişne

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  1. Zeki Aytaç
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Correspondence to Zeki Aytaç.

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Aytaç, Z., Ertuğrul, T. & Fişne, A. Onosma korukluei (Boraginaceae) a new species from Türkiye. Kew Bull 78, 585–595 (2023). https://doi.org/10.1007/s12225-023-10099-8

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