A new diploid species of Hieracium sect. Pannosa (Asteraceae) from Bulgaria |
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| Authors: | VLADIMIR VLADIMIROV ZBIGNIEW SZEL&#;G |
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| Institution: | Institute of Botany, Bulgarian Academy of Sciences, Acad. Georgi Bonchev St., bl. 23, 1113 Sofia, Bulgaria; Institute of Botany, Polish Academy of Sciences, 46, Lubicz St., PL-31–512 Kraków, Poland |
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| Abstract: | Hieracium petrovae Vladimirov & Szeląg sp. nov. , a new diploid (2 n = 18) species in H. sect. Pannosa Zahn, is described and illustrated from the Rhodope Mountains, South Bulgaria, and compared with related taxa. It grows in relict habitats in crevices of limestone rock together with many Balkan endemics. H. petrovae is morphologically similar to taxa from the H. pannosum , H. pilosissimum and H. heldreichii groups (collective species sensu Zahn) to some of which it is a presumed ancestral species. © 2006 The Linnean Society of London, Botanical Journal of the Linnean Society , 2006, 150 , 261–265. |
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| Keywords: | Asteraceae Balkan Peninsula chromosome number taxonomy |
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