Jurinea khorassanica sp. nov. (J. sect. Stechmannia , Asteraceae) from Iran

Jurinea khorassanica from northeast Iran is described as a new species. Based on morphological characters it belongs to Jurinea sect. Stechmannia and its closest related taxa are the sympatric J. catharinae and J. dumulosa. However, the new species is obviously different from related species with respect to leaf, stem and head features. A detailed description, diagnostic table, illustrations and an updated key to the species of J. sect. Stechmannia in Iran are provided.