plant order - the order of plants

class Dicotyledonae, class Dicotyledones, class Magnoliopsida, Dicotyledonae, Dicotyledones, Magnoliopsida - comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae

Aristolochiaceae, birthwort family, family Aristolochiaceae - family of birthworts (including wild ginger)

family Rafflesiaceae, Rafflesiaceae - a family of parasitic plants of the order Aristolochiales

family Hydnoraceae, Hydnoraceae - a family of flowering plants in Africa and Argentina that are parasitic on the roots of other plants