llott wrote: So if a name has officinalis by it then it is the only that plant of the species that’s medicinal. Right?
Hey… I love quizlet by the way. I study in public and people think I’m smart! Way to go!
Thanks!
Officinalis means “From the officina“. The officina was the little room in the monastary where the monks kept the medicinal plants and remedies. So if a plant has that name, It has a long history of medicinal use. I can’t think of any that aren’t still used medicinally. IT doesn’t mean they are perfectly safe or the best choice (though they usually are) so it isn’t a “get out of studying free” card. 
Doc
Don't use herbs or combine herbs with medications or use them during lactation or pregnancy without talking with your healthcare provider.