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 Polemoniales Bromhead (1838) see Order Ericales Bercht. & J.Presl (1820)
           Family Polemoniaceae Juss. (1789), nom. cons. - phlox family
             Subfamily Polemonioideae (Juss.) Arn.
               Tribe Gilieae V.E. Grant (1959)
                 Genus Leptodactylon Hook. & Arnott (1839)