Epitypification and identity of Cynoglossum montanum L. (Boraginaceae)

An epitype for Cynoglossum montanum, a Linnaean name applied to a controversial species described from Italy, is designated in view of the poor characterization of its lectotype, an illustration published in the year 1616 based on plants from the central Apennines. The morphological analysis of the epitype and other herbarium material from the Italian peninsula allowed a better definition of diagnostic characters with respect to the closely related and broadly sympatric C. officinale, to which is connected by intermediate forms.