A new species of Brassica (Brassicaceae) from Bolkar Mountains (Türkiye) with morphological and molecular evidence Author Başköse, İsa 0000-0001-7347-3464 Ankara University, Faculty of Science, Department of Biology, 06100 Ankara, Türkiye isabaskose@gmail.com Author Özüdoğru, Bariş 0000-0002-8855-5718 Department of Biology, Faculty of Science, 06800 Hacettepe University, Ankara, Türkiye barisoz@hacettepe.edu.tr Author Savran, Ahmet 0000-0002-6326-7592 Niğde Ömer Halisdemir Universiy, Faculty of Arts and Sciences, Department of Biology, 51143, Nigde, Türkiye asavran1951@gmail.com Author Keskin, Ali 0000-0001-8980-5005 Niğde Ömer Halisdemir Universiy, Faculty of Arts and Sciences, Department of Biology, 51143, Nigde, Türkiye biyologalikeskin@gmail.com text Phytotaxa 2023 2023-12-28 632 2 101 117 https://phytotaxa.mapress.com/pt/article/download/phytotaxa.632.2.1/51395 journal article 10.11646/phytotaxa.632.2.1 26f6292a-f034-4a8d-8ebf-f4e67925161e 1179-3163 10438552 An Identification key of Turkish wild Brassica species ; 1. Plant biennial or perennial................................................................................................................................................................. 2 +. Plant annual ....................................................................................................................................................................................... 5 2. Stem leaves amplexicaul ...................................................................................................................................................... 1. cretica +. Stem leaves not amplexicaul ............................................................................................................................................................. 3 3. Stem divaricately branched: infrutescence corymbose .............................................................................................. 3. beytepeensis + Stem not divaricately branched: infrutescence racemose or panicle................................................................................................. 4 4. Stem leaves many, leaf blade oblong, oblong-ovate, or lanceolate.................................................................................. 2. elongata +. Stem leaves few, leaf blade linear or narrow oblong............................................................................................. 8. huseyin-duralii 5. Siliquae deflexed; beak not tapering ................................................................................................................................... 4. deflexa +. Siliquae erect, erecto-patent, or spreading beak tapering.................................................................................................................. 6 6. Siliquae 10–17 mm , tightly adpressed to stem....................................................................................................................... 5. nigra +. Siliquae 30–80 mm ; erect, erecto-patent, or spreading ..................................................................................................................... 7 7. Beak 10–20 mm ; seeds 1.2–1.6 mm ............................................................................................................................. 6. tournefortii +. Beak 5–10 mm ; seeds c. 1 mm ............................................................................................................................................. 7. juncea