prop. n. A natural order of trees and shrubs including the myrtle family, Myrtaceae; Combretaceae; Elaeagnaceae; Haloragidaceae; Melastomaceae; Lecythidaceae; Lythraceae; Rhizophoraceae; Onagraceae; Lecythidaceae; and Punicaceae. Syn. -- order Myrtales, Thymelaeales, order Thymelaeales. [ WordNet 1.5 ]