Abstract
The taxonomic relationships between Orobanche australis and O. thapsoides are analyzed through the study of the original material. These species are also compared with other morphologically similar ones occurring in the Mediterranean (O. canescens, O. pubescens, O. palaestina, O. amethystea). The lectotype of O. palaestina is designated. From the comparison of these taxa it is evident that O. australis and O. thapsoides refer to the same taxon, to which the name O. australis must be given by priority. The distribution of this species includes Sardinia, Sicily, Peninsular Italy and Southern France. It grows on pastures from the sea level to about 1000 m of altitude, host of Asteraceae. An identification key between the species considered and a distribution map is provided.
References
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<p>Schultz, F.W. (1843) Andeutungen zur Kenntniss einiger Orobanchen Griechenlands. <em>Flora</em> 26: 125–132.</p>
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<p>Thuillier, J.L. (1799) <em>La Flore des environs de Paris</em>, ed. 2. Chez l’auter, Paris, pp. 1–550.</p>
<p>Ventenat, E.P. (1799) <em>Tableau du Règne Végétal, Selon de Méthode de Jussieu</em>, vol. 2. J. Drisonnier, Paris, pp. 1–607. https://doi.org/10.5962/bhl.title.144317</p>
<p>Beck von Mannagetta, G. (1930) Orobanchaceae.<em> In: </em>Engler, A. (Ed.) <em>Pflanzenreich</em> [Heft 261] IV. 96. Verlag von W. Engelmann, Leipzig, pp. 1–348.</p>
<p>Bertoloni, A. (1846) <em>Flora italica</em>, 6. Typ. Haeredum R. Masii, Bologna, pp. 419–455.</p>
<p>Domina, G. & Arrigoni, P.V. (2007) The genus <em>Orobanche </em>(Orobanchaceae) in Sardinia. <em>Flora Mediterranea</em> 17: 115–136.</p>
<p>Domina, G. & Mazzola, P. (2007) The genus <em>Orobanche</em> in Sicily. Taxa described by V. Tineo and M. Lojacono Pojero. <em>Bocconea</em> 21: 223–232.</p>
<p>Domina, G. & Mazzola, P. (2011) Notes on the genus Orobanche in Italy: 3. Taxa described by A. Bertoloni. <em>Plant Biosystems </em>145 (2): 342–346. https://doi.org/10.1080/11263504.2011.569360</p>
<p>Domina, G. & Stepanek, J. (2009) Typification of the name <em>Orobanche canescens </em>C.Presl (Orobanchaceae) with taxonomic notes. <em>Condollea </em>64: 31–37.</p>
<p>Domina, G., Greuter, W. & Mazzola, P. (2005) A note on the type of <em>Orobanche sanguinea </em>C.Presl (Orobanchaceae), nom. cons. prop<em>. Taxon </em>54: 500–502<em>. h</em>ttps://doi.org/10.2307/25065382</p>
<p>Domina, G., Greuter, W., Mazzola, P. & Raimondo, F.M. (2014) Names of Italian vascular plants published by Michele Lojacono Pojero. <em>Flora Mediterranea</em> 24: 215–232. https://doi.org/10.7320/FlMedit24.215</p>
<p>Domina, G., Marino, P. & Castellano, G. (2011) The genus <em>Orobanche</em> (Orobanchaceae) in Sicily. <em>Flora Mediterranea</em> 21: 205–242.</p>
<p>Dumont d’Urville, J. (1822a) Enumeratio plantarum quas in insulis archipelagi aut littoribus Ponti-Euxini, annis 1819 et 1820 collegit atque detexit. <em>Mémories de la Société Linnéenne de Paris</em> 1: 255–387.</p>
<p>Dumont d’Urville, J. (1822b) <em>Enumeratio plantarum quas in insulis archipelagi aut littoribus Ponti-Euxini, annis 1819 et 1820 collegit atque detexit.</em> Typis D’Hautel, Parisiis. 143 pp.</p>
<p>Linnaeus, C. (1753) <em>Species plantarum</em>, vol. 2. Impensis Laurentii Salvii, Stockholm, pp. 561–1200. https://doi.org/10.5962/bhl.title.669</p>
<p>Peruzzi, L., Domina, G., Bartolucci, F., Galasso, G., Peccenini, S., Raimondo, F.M., Albano, A., Alessandrini, A., Banfi, E., Barberis, G., Bernardo, L., Bovio, M., Brullo, S., Brundu, G., Brunu, A., Camarda, I., Conti, F., Croce, A., Iamonico, D., Iberite, M., Iiriti, G., Longo, D., Manca, A., Marsili, S., Medagli, P., Pistarino, A., Salmeri, C., Santangelo, A., Scassellati, E., Selvi, F., Soldano, A., Stinca, A., Vacca, G., Villani, M.C., Wagensommer, R.P. & Passalacqua, N.G. (2015) An inventory of the names of vascular plants endemic to Italy, their loci classici and types. <em>Phytotaxa </em>196: 1–217. https://doi.org/10.11646/phytotaxa.196.1.1</p>
<p>Presl, C.B. (1822) <em>Plantarum rariorum Sicilia aliarumque minus cognitarum diagnoses et descriptiones. In:</em> Presl, J.S. & Presl, C.B. (Eds.) <em>Deliciae Pragenses, Historiam Naturalem Spectantes</em>. Calve, Praha, pp. 1–152.</p>
<p>Reuter, G.F. (1847) Orobanchaceae in De Candolle A.: <em>Prodromus systematis naturales regni vegetabilis,</em> 11. Masson, Paris, pp. 1–45.</p>
<p>Schultz, F.W. (1843) Andeutungen zur Kenntniss einiger Orobanchen Griechenlands. <em>Flora</em> 26: 125–132.</p>
<p>Thiers, B. (2022) <em>Index Herbariorum: A global directory of public herbaria and associated staff</em>. Available from: http://sweetgum.nybg.org/ih/ (accessed 10 January 2022)</p>
<p>Thuillier, J.L. (1799) <em>La Flore des environs de Paris</em>, ed. 2. Chez l’auter, Paris, pp. 1–550.</p>
<p>Ventenat, E.P. (1799) <em>Tableau du Règne Végétal, Selon de Méthode de Jussieu</em>, vol. 2. J. Drisonnier, Paris, pp. 1–607. https://doi.org/10.5962/bhl.title.144317</p>