Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Lamiidae Takht. ex Reveal (1993) see [unranked] lamiids
       Superorder Solananae R.Dahlgren ex Reveal (1992) see Order Solanales Juss. ex Bercht. & J.Presl (1820)
         Order Boraginales Juss. ex Bercht. & J.Presl (1820)
           Family Boraginaceae Juss. (1789), nom. cons. - borage family
             Subfamily Boraginoideae (Juss.) Arn. (1832)
               Tribe Lithospermeae Dumort. (1827)
                 Genus Alkanna Tausch (1824), nom. cons.