Callitrichales
Callitrichales is a proposed order of flowering plants.<ref>Template:Cite journal</ref> As circumscribed by American botanist Arthur Cronquist in the Cronquist system (1981), the order included three families:
- Hippuridaceae
- Callitrichaceae
- Hydrostachyaceae
A feature is the single stamen in the flower.
The order is not recognized by the Angiosperm Phylogeny Group; the family Hydrostachyaceae is placed in the order Cornales and the plants making up the other two families are included in the family Plantaginaceae.