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Type: Article
Published: 2019-06-13
Page range: 71–78
Abstract views: 22
PDF downloaded: 1

Two new species in Hieracium sect. Alpina (Asteraceae) from the Eastern Carpathians in Poland

Pedagogical University of Cracow, Institute of Biology, Podchorążych 2, 30-084 Kraków, Poland
apomictic taxa Carpathians chromosome number Compositae Hieracium hybridization taxonomy Eudicots

Abstract

Two apomictic, polyploid (x=9) species in Hieracium sect. Alpina are described from the Western Bieszczady Mountains, Eastern Carpathians, Poland, and illustrated with photos of the holotypes. These are H. jasiewiczii (4x) which combines the morphological features of H. alpinum and H. bifidum, and H. wojcickii (4x) of presumably hybrid origin between H. alpinum and H. pseudobifidum. Both new species are probably relicts originated from diploid, sexual H. alpinum with a wider primary range covering also the Western Bieszczady Mountains, which presently occurs only in the Romanian and Ukrainian Carpathians.