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

Apocynaceae, dogbane family, family Apocynaceae - chiefly tropical trees or shrubs or herbs having milky juice and often showy flowers; many are sources of drugs

family Gentianaceae, gentian family, Gentianaceae - chiefly herbaceous plants with showy flowers; some are cultivated as ornamentals

family Salvadoraceae, Salvadora family, Salvadoraceae - a family of Old World shrubs and trees of order Gentianales; related to Oleaceae but having four stamens and four petals

family Oleaceae, Oleaceae, olive family - trees and shrubs having berries or drupes or capsules as fruits; sometimes placed in the order Oleales: olive; ash; jasmine; privet; lilac

buckbean family, family Menyanthaceae, Menyanthaceae - a dicotyledonous family of marsh plants of order Gentianales

family Loganiaceae, Loganiaceae - a dicotyledonous family of plants of order Gentianales

Asclepiadaceae, family Asclepiadaceae, milkweed family - widely distributed family of herbs and shrubs of the order Gentianales; most with milky juice