Definition that contains order gentianales
- milkweed family widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice
- buckbean family a dicotyledonous family of marsh plants of order Gentianales
- salvadoraceae a family of Old World shrubs and trees of order Gentianales; related to Oleaceae but having four stamens and four petals
- family salvadoraceae a family of Old World shrubs and trees of order Gentianales; related to Oleaceae but having four stamens and four petals
- oleales coextensive with the family Oleaceae; in some classifications included in the order Gentianales
- family asclepiadaceae widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice
- loganiaceae a dicotyledonous family of plants of order Gentianales
- order oleales coextensive with the family Oleaceae; in some classifications included in the order Gentianales
- family loganiaceae a dicotyledonous family of plants of order Gentianales
- menyanthaceae a dicotyledonous family of marsh plants of order Gentianales