Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
Count: [f] 2c;232o;592f;6085g;41s; †1g
   Class Magnoliopsida Brongn. (1843)
  Count: -
     Subclass Lamiidae Takht. ex Reveal (1993) see [unranked] lamiids
    Count: [f] 15o;54f;880g
       Superorder Gentiananae Thorne ex Reveal (1992) see Order Gentianales Juss. ex Bercht. & J.Presl (1820)
      Count: [f] 3o;14f;227g
         Order Apocynales R.Br. ex Bercht. & J.Presl (1820) see Order Gentianales Juss. ex Bercht. & J.Presl (1820)
        Count: [f] 1f;95g
           Family Apocynaceae Juss. (1789), nom. cons. - dogbane family
          Count: 95g
             Subfamily Apocynoideae Burnett
            Count: 22g
               Tribe Nerieae Baill. (1889) see Tribe Wrightieae
              Count: 7g
                 Genus Strophanthus DC. (1802)
                Count: -