Caprifoliaceae (honeysuckle family) » Sambucus canadensis

sam-BYOO-kus -- named for sambuca, a stringed instrument made from the elder wood kan-uh-DEN-sis -- of or from Canada

commonly known as: American elder, elderberry, sweet elder

Native to: North America

... opposite leaves ... nearly bipinnate ... leaflets in 3 or 4 pairs with an odd one, glabrous and dark green above, sometimes pubescent and pale green below ... oblong, oval, acuminate, margins toothed, crenate-serrate, with the lower ones often 2 or 3-parted.

... overall effect is similar to the compound leaves of an Ash tree.