The Celastrales are an order of flowering plants, included within the rosid subgroup of dicotyledons. Newer classifications include the following three families:

  • Family Celastraceae (bittersweet family)
  • Family Parnassiaceae
  • Family Lepidobotryaceae

Under the older Cronquist system, the order included a larger group of families:

  • Family Celastraceae
  • Family Geissolomataceae
  • Family Hippocrateaceae
  • Family Stackhousiaceae
  • Family Salvadoraceae
  • Family Tepuianthaceae
  • Family Aquifoliaceae
  • Family Icacinaceae
  • Family Aextoxicaceae
  • Family Cardiopteridaceae
  • Family Corynocarpaceae
  • Family Dichapetalaceae