Abstract
Renaissance herbaria may provide precious information on exotic plants known or even introduced in Italy during the fifteenth and sixteenth centuries AD. In the Erbario Estense, preserved in the Archivio di Stato di Modena (northern Italy), there are 14 species considered as allochthonous neophytes or not present in the Italian flora. First, we accurately verified the taxa identification; then, we searched for the same species in the other coeval Italian Renaissance herbaria and collected the information present in the written sources of the second half of the 1500s (concerning, above all, the use of these species as medicinal plants); finally, we paid attention to their current uses in ethnobotanical tradition and their market value. For 12 taxa, we could confirm the former identification; whereas for 2, we came to a different conclusion; the comparison with other Renaissance herbaria, particularly Aldrovandi’s, greatly helped this evaluation process. The species treated here are not placed according to a precise order nor do they have particular medicinal values in common: probably, the specimens were simply added to the existing nucleus, as the species were known or were proven to be rather useful. We shall be able to gain further knowledge when it shall be possible to study all the remaining species. In any case, the Erbario Estense is an important testimony for sixteenth-century botany, that contains some of the most ancient specimens of exotic species that are of common use in large parts of the world today.Graphical abstract
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