Abstract
Centaurea peltieri (C. sect. Melanoloma) is described and illustrated as a new endemic species from the Oriental High Atlas of Morocco. The morphology of involucral bracts is the discriminant feature separating it from other closely related species of the section.
References
<p>Cassini, H. (1823) <em>Melanoloma</em>. <em>In</em>: Cuvier, F. (ed.) <em>Dictionnaire des Sciences Naturelles, dans lequel on traite méthodiquement des différents êtres de la nature, considérés soit en eux-mêmes, d’après l’état actuel de nos connaissance, soit relativement à l’utilité qu’en peuvent retirer la médecine, l’agriculture, le commerce et les arts</em>, ed. 2, vol. 29. Le Normant, Paris, pp. 472.</p>
<p>De Candolle, A.P. (1838) <em>Prodromus systematis naturalis regni vegetabilis</em>, pars 6<em>. </em>Treuttel & Würtz, Paris, 687 pp.</p>
<p>Dittrich, M. (1968) Karpologische Untersuchungen zur Systematik von <em>Centaurea</em> und verwandten Gattungen. Teil I. <em>Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie</em> 88: 70–122, 123–162.</p>
<p>Dostál, J. (1976) <em>Centaurea</em> L. <em>In</em>: Tutin, T.G., Heywood, V.H., Burges, N.A., Moore, D.M., Valentine, D.H., Walters, S.M. & Webb, D.A. (eds.) <em>Flora Europaea</em>, vol. 4. Cambridge University Press, Cambridge, pp. 254–301.</p>
<p>Fennane, M. (2016) <em>Eléments pour un Livre Rouge de la flore vasculaire du Maroc</em>, fasc. 1. Pteridophyta (version 1, nov. 2016). Tela-Botanica. Licence CC-BY NC ND.</p>
<p>Fernández Casas, J. (1998) De Centaureis occidentalibus notulae sparsae, X. <em>Fontqueria</em> 48: 203–222.</p>
<p>Fernández Casas, J. & Susanna, A. (1982) De Centaureis occidentalibus notulae sparsae, III. <em>Fontqueria</em> 1: 1–8.</p>
<p>Garcia-Jacas, N., Susanna, A., Mozaffarian, R. & Ilarslan, R. (2000) The natural delimitation of <em>Centaurea</em> (Asteraceae: Cardueae): ITS sequence analysis of the <em>Centaurea jacea</em> group. <em>Plant</em> <em>Systematics and Evolution</em> 223: 185–199. https://doi.org/10.1007/BF00985278</p>
<p>Garcia-Jacas, N., Uysal, T., Romaschenko, K., Suárez-Santiago, V.N., Ertuğrul, K. & Susanna, A. (2006) <em>Centaurea</em> revisited: A molecular survey of the <em>Jacea</em> group. <em>Annals of Botany</em> 98: 741–753. https://doi.org/10.1093/aob/mcl157</p>
<p>Hilpold, A., Garcia-Jacas, N., Vilatersana, R. & Susanna, A. (2014) Taxonomical and nomenclatural notes on <em>Centaurea</em>: A proposal of classification, a description of new sections and subsections, and a species list of the redefined section <em>Centaurea</em>. <em>Collectanea Botanica</em> 33: 1–29. https://doi.org/10.3989/collectbot.2013.v33.001</p>
<p>Maire, R. (1932) Contributions à l’étude de la flore de l’Afrique du Nord. Fasc. 19, contr. 1270. <em>Bulletin de la Société d’Histoire Naturelle de l’Afrique du Nord</em> 23: 163–221.</p>
<p>Maire, R. (1933) Contributions à l’étude de la flore de l’Afrique du Nord. Fasc. 21, contr. 1549. <em>Bulletin de la Société d’Histoire Naturelle du Maroc</em> 13: 263–275.</p>
<p>Maire, R. (1940) Contributions à l’étude de la flore de l’Afrique du Nord. Fasc. 29, contr. 3170. <em>Bulletin de la Société d’Histoire Naturelle de l’Afrique du Nord</em> 31: 7–49.</p>
<p>Susanna, A. & Garcia-Jacas, N. (2007) The tribe <em>Cardueae</em>. <em>In</em>: Kadereit, J.W. & Jeffrey, C. (eds.) <em>Kubitzki’s</em> <em>The families and genera of vascular plants</em>, vol. 8. Springer-Verlag, Heidelberg, pp. 123–146.</p>
<p>Susanna, A. & Garcia-Jacas, N. (2009) The tribe <em>Cardueae</em>. <em>In</em>: Funk, V.A., Susanna, A., Stuessy, T.F. & Bayer, R.J. (eds.) <em>Systematics, evolution, and biogeography of Compositae</em>. IAPT, Vienna, pp. 293–313.</p>
<p>Uysal, T., Ertuğrul, K., Susanna, A. & Garcia-Jacas, N. (2009) New chromosome counts in the genus <em>Centaurea</em> (Asteraceae) from Turkey. <em>Botanical Journal of the Linnean Society</em> 159: 280–286. https://doi.org/10.1111/j.1095-8339.2008.00939.x</p>
<p>Uysal, T., Arslan, E., Tugay, O. & Ertuğrul, K. (2010) Determination of the relationship between some <em>Centaurea</em> species based on SDSPAGE. <em>Turkish Journal of Biology</em> 34: 125–131.</p>
<p>Wagenitz, G. & Hellwig, F.H. (1996) Evolution of characters and phylogeny of the <em>Centaureinae</em>. <em>In</em>: Hind, D.J.N. & Beentje, H.G. (eds.) <em>Compositae: Systematics. Proceedings of the International Compositae Conference, Kew, 1994</em>. Royal Botanic Gardens, Kew, pp. 491–510.</p>
<p>De Candolle, A.P. (1838) <em>Prodromus systematis naturalis regni vegetabilis</em>, pars 6<em>. </em>Treuttel & Würtz, Paris, 687 pp.</p>
<p>Dittrich, M. (1968) Karpologische Untersuchungen zur Systematik von <em>Centaurea</em> und verwandten Gattungen. Teil I. <em>Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie</em> 88: 70–122, 123–162.</p>
<p>Dostál, J. (1976) <em>Centaurea</em> L. <em>In</em>: Tutin, T.G., Heywood, V.H., Burges, N.A., Moore, D.M., Valentine, D.H., Walters, S.M. & Webb, D.A. (eds.) <em>Flora Europaea</em>, vol. 4. Cambridge University Press, Cambridge, pp. 254–301.</p>
<p>Fennane, M. (2016) <em>Eléments pour un Livre Rouge de la flore vasculaire du Maroc</em>, fasc. 1. Pteridophyta (version 1, nov. 2016). Tela-Botanica. Licence CC-BY NC ND.</p>
<p>Fernández Casas, J. (1998) De Centaureis occidentalibus notulae sparsae, X. <em>Fontqueria</em> 48: 203–222.</p>
<p>Fernández Casas, J. & Susanna, A. (1982) De Centaureis occidentalibus notulae sparsae, III. <em>Fontqueria</em> 1: 1–8.</p>
<p>Garcia-Jacas, N., Susanna, A., Mozaffarian, R. & Ilarslan, R. (2000) The natural delimitation of <em>Centaurea</em> (Asteraceae: Cardueae): ITS sequence analysis of the <em>Centaurea jacea</em> group. <em>Plant</em> <em>Systematics and Evolution</em> 223: 185–199. https://doi.org/10.1007/BF00985278</p>
<p>Garcia-Jacas, N., Uysal, T., Romaschenko, K., Suárez-Santiago, V.N., Ertuğrul, K. & Susanna, A. (2006) <em>Centaurea</em> revisited: A molecular survey of the <em>Jacea</em> group. <em>Annals of Botany</em> 98: 741–753. https://doi.org/10.1093/aob/mcl157</p>
<p>Hilpold, A., Garcia-Jacas, N., Vilatersana, R. & Susanna, A. (2014) Taxonomical and nomenclatural notes on <em>Centaurea</em>: A proposal of classification, a description of new sections and subsections, and a species list of the redefined section <em>Centaurea</em>. <em>Collectanea Botanica</em> 33: 1–29. https://doi.org/10.3989/collectbot.2013.v33.001</p>
<p>Maire, R. (1932) Contributions à l’étude de la flore de l’Afrique du Nord. Fasc. 19, contr. 1270. <em>Bulletin de la Société d’Histoire Naturelle de l’Afrique du Nord</em> 23: 163–221.</p>
<p>Maire, R. (1933) Contributions à l’étude de la flore de l’Afrique du Nord. Fasc. 21, contr. 1549. <em>Bulletin de la Société d’Histoire Naturelle du Maroc</em> 13: 263–275.</p>
<p>Maire, R. (1940) Contributions à l’étude de la flore de l’Afrique du Nord. Fasc. 29, contr. 3170. <em>Bulletin de la Société d’Histoire Naturelle de l’Afrique du Nord</em> 31: 7–49.</p>
<p>Susanna, A. & Garcia-Jacas, N. (2007) The tribe <em>Cardueae</em>. <em>In</em>: Kadereit, J.W. & Jeffrey, C. (eds.) <em>Kubitzki’s</em> <em>The families and genera of vascular plants</em>, vol. 8. Springer-Verlag, Heidelberg, pp. 123–146.</p>
<p>Susanna, A. & Garcia-Jacas, N. (2009) The tribe <em>Cardueae</em>. <em>In</em>: Funk, V.A., Susanna, A., Stuessy, T.F. & Bayer, R.J. (eds.) <em>Systematics, evolution, and biogeography of Compositae</em>. IAPT, Vienna, pp. 293–313.</p>
<p>Uysal, T., Ertuğrul, K., Susanna, A. & Garcia-Jacas, N. (2009) New chromosome counts in the genus <em>Centaurea</em> (Asteraceae) from Turkey. <em>Botanical Journal of the Linnean Society</em> 159: 280–286. https://doi.org/10.1111/j.1095-8339.2008.00939.x</p>
<p>Uysal, T., Arslan, E., Tugay, O. & Ertuğrul, K. (2010) Determination of the relationship between some <em>Centaurea</em> species based on SDSPAGE. <em>Turkish Journal of Biology</em> 34: 125–131.</p>
<p>Wagenitz, G. & Hellwig, F.H. (1996) Evolution of characters and phylogeny of the <em>Centaureinae</em>. <em>In</em>: Hind, D.J.N. & Beentje, H.G. (eds.) <em>Compositae: Systematics. Proceedings of the International Compositae Conference, Kew, 1994</em>. Royal Botanic Gardens, Kew, pp. 491–510.</p>