What does the term "...oficinalis" in latin names of some flowers mean?

As "calendula, tagetes etc. oficinalis?"

What does the term "...oficinalis" in latin names of some flowers mean?
'sativa' 'sativum' and 'officinalis' when used as specific epithet ,it means that particular plant was or is cultivated.



1) Oryza sativa -- cultivated rice



2) Allium sativum -- cultivated garlic.



3)Avena sativa --- cultivated Oats



4) Asparagus officinalis -- cultivated garden asparagus.



4) Calendula officinalis -- Garden or cultivated marigold.



Likewise specific epithet 'vulgare' or ' vulgaris' also means common or a cultivated plant.



Originally vulgare means common people , now it has a different connotation.
Reply:officinalis -- medically useful
Reply:Used in medicine: http://www.piam.com/mms_garden/officinal...
Reply:I believe it is chemical commpostion of esscential oil
Reply:original or first used or classified, as in the first non hybred.