Sambucus canadensis - Elderberry
Black elder is a loose, graceful, deciduous shrub with both woody and herbaceous branches to 12 ft. Many long stems arise from the base, arching at the top. Broad, white pith in stems and branches. Pinnately-compound leaves up to 12 inches long, opposite, consisting of a central axis with 4 to 10 usually 4 to 6, paired leaflets and a terminal one often larger. Leaflets ovate to elliptic or narrower, up to 7 inches long, with an extended tip and a broadly wedge shaped base, margins toothed except at the tip and toward the base, the teeth narrow and pointed toward the tip. Flowers white, 3/16 to 1/4 inch across, in broad, flat, conspicuous clusters up to 10 inches or more in diameter, appearing from May to July.