 callitrichales dumort (1829) is an order of flowering plants. 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.
Plant_taxonomy