japanese bittersweet: ornamental Asiatic vine with showy orange-yellow fruit with a scarlet aril; naturalized in North America
vine: a plant with a weak stem that derives support from climbing, twining, or creeping along a surface
organophosphate nerve agent: any of a series of nerve agents containing organophosphate compounds first synthesized by German chemists in 1936; in World War II the Germans tested them in concentration camps but not on the battlefield; Iraq is alleged to have used them against Iran and against the Kurds