''Minthostachys verticillata'', commonly known as peperina, is the only species of the genus ''

Minthostachys ''Minthostachys'' is a genus of the mint family Lamiaceae, comprising aromatic scandent shrubs. It occurs along the Andes from Northern Venezuela through Colombia, Ecuador, Peru and Bolivia to Central Argentina. Use and conservation The plant ...

'' known from

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

. It occurs in the northwestern and central regions of the country. It may be the most economically important species of its genus, as it is collected extensively for its essential oils. These have been repeatedly examined for their composition, variability, and possible pharmacological effects.Zyglado, J.A., Maestri, D.M., Lamarque, A.L., Guzmán, C.A., Velasco-Negueruela, A., Pérez-Alonso, M.J., García-Vallejos, M.C., Grosso, N.R., 1996. Essential oil variability of ''Minthostachys verticillata''. ''Biochemical Systematics and Ecology'' 24, 319–323. Due to varying views on the circumscription of species, the species is sometimes subsumed with others under the catch-all name ''

Minthostachys mollis ''Minthostachys mollis'' is a medicinal plant restricted to the South American Andes from Peru Venezuela to Bolivia. It is the most variable and widely distributed species of the genus ''Minthostachys''. It is known by the common names muña, ti ...

''.

References

Lamiaceae Flora of Argentina {{Lamiaceae-stub