blue elder: shrub or small tree of western United States having white flowers and blue berries; fruit used in wines and jellies
elder: any of numerous shrubs or small trees of temperate and subtropical northern hemisphere having white flowers and berrylike fruit
coniferopsida: cone-bearing gymnosperms dating from the Carboniferous period; most are substantial trees; includes the classes Pinopsida (subdivision Pinophytina) and Ginkgopsida (subdivision Ginkgophytina) and Taxopsida (subdivision Taxophytina) which in turn include the surviving orders Coniferales and Taxales (yews) and sometimes Ginkgoales as well as extinct orders such as Cordaitales (of the Carboniferous and Permian)