Sorbus pekarovae MAJOVSKY et BERNATOVA, a new hybridogeneous species o
f the genus Sorbus L. with coriaceous lobed leaves, is described. Appa
rently, it is an outcome of hybridization between Sorbus aucuparia and
a species from the aggregate species Sorbus graeca (Sorbus danubialis
) now missing at the site. Occurrence of Sorbus pekarovae is confined
to summit cliffs and adjacent summit habitats of Mt. Pekarova above th
e Gaderska Dolina Valley in the Velka Fatra Mts.