Abstract
Hieracium ciucasense is a new, apomictic species described from the Ciucaş Mountains in the Eastern Carpathians, Romania. It belongs to the H. pietroszense aggregate comprising taxa of presumably hybrid origin between H. alpinum L. and H. bifidum s. lat. The new species is illustrated with photographs of the holotype and living plants; it differs from the other taxa of the H. pietroszense aggregate in the Carpathians in that the leaves are brown-purple spotted. The distribution of the H. pietroszense aggregate in the Carpathians is mapped.
References
<p>Gremli, A. (1881) <em>Excursionsflora für die Schweiz</em>. Ed. 4. J.J. Christen, Aarau, 486 pp.</p>
<p>Linnaeus, C. (1753) <em>Species plantarum</em>. L. Salvius, Holmia, 1200 pp. http://dx.doi.org/10.5962/bhl.title.669</p>
<p>Mráz, P. (2001) Chromosome numbers in selected species of <em>Hieracium </em>sect. <em>Alpina </em>from Central and Eastern Europe. <em>Folia Geobotanica </em>36: 321–332. https://doi.org/10.1007/BF02803184</p>
<p>Mráz, P. (2003) The <em>Hieracium pietroszense </em>group in the Carpathians. <em>Folia Geobotanica </em>38: 299–318. https://doi.org/10.1007/BF02803201</p>
<p>Nyárády, E.I. (1965) <em>Hieracium </em>L. <em>In</em>: Nyárády, E.I. (Ed.) <em>Flora Republicii Populare Romîne</em>, vol. 10. Editura Academiei Republicii Populare Romîne, Bucureşti, pp. 214–746.</p>
<p>Szeląg, Z. (2019) Two new species in <em>Hieracium</em> sect. <em>Alpina</em> (Asteraceae) from the Eastern Carpathians in Poland. <em>Phytotaxa</em> 406 (1): 71–78. https://doi.org/10.11646/phytotaxa.406.1.4</p>
<p>Szeląg, Z. (2020) <em>Hieracium richianum </em>(Asteraceae) a new species of <em>H. </em>sect.<em> Alpina </em>from the Eastern Carpathians in Romania. <em>Phytotaxa</em> 436 (1): 93–96. https://doi.org/10.11646/phytotaxa.436.1.11</p>
<p>Zahn, K.H. (1907) Beiträge zur Kenntnis der Archieracien Ungarns und der Balkanländer I. <em>Magyar Botanikai Lapok</em> 5: 62‒94.</p>
<p>Linnaeus, C. (1753) <em>Species plantarum</em>. L. Salvius, Holmia, 1200 pp. http://dx.doi.org/10.5962/bhl.title.669</p>
<p>Mráz, P. (2001) Chromosome numbers in selected species of <em>Hieracium </em>sect. <em>Alpina </em>from Central and Eastern Europe. <em>Folia Geobotanica </em>36: 321–332. https://doi.org/10.1007/BF02803184</p>
<p>Mráz, P. (2003) The <em>Hieracium pietroszense </em>group in the Carpathians. <em>Folia Geobotanica </em>38: 299–318. https://doi.org/10.1007/BF02803201</p>
<p>Nyárády, E.I. (1965) <em>Hieracium </em>L. <em>In</em>: Nyárády, E.I. (Ed.) <em>Flora Republicii Populare Romîne</em>, vol. 10. Editura Academiei Republicii Populare Romîne, Bucureşti, pp. 214–746.</p>
<p>Szeląg, Z. (2019) Two new species in <em>Hieracium</em> sect. <em>Alpina</em> (Asteraceae) from the Eastern Carpathians in Poland. <em>Phytotaxa</em> 406 (1): 71–78. https://doi.org/10.11646/phytotaxa.406.1.4</p>
<p>Szeląg, Z. (2020) <em>Hieracium richianum </em>(Asteraceae) a new species of <em>H. </em>sect.<em> Alpina </em>from the Eastern Carpathians in Romania. <em>Phytotaxa</em> 436 (1): 93–96. https://doi.org/10.11646/phytotaxa.436.1.11</p>
<p>Zahn, K.H. (1907) Beiträge zur Kenntnis der Archieracien Ungarns und der Balkanländer I. <em>Magyar Botanikai Lapok</em> 5: 62‒94.</p>