Previous studies have proposed that Polystachyae, Iodanthae sections and species American of sec. Purpurea is a natural grouping within the genus Salvia, subgenus Calosphace. In this study a taxonomic revision of the three ...

Salvia includes ca. 900 species, many of which have economic importance in pharmaceutics, horticulture, nutrition and gastronomy. It is also one of the most challenging angiosperm groups, both for species recognition and ...