Solanum dulcamara
     n : poisonous perennial Old World vine having violet flowers and
         oval coral-red berries; widespread weed in North America
         [syn: {bittersweet}, {bittersweet nightshade}, {climbing
         nightshade}, {deadly nightshade}, {poisonous nightshade},
          {woody nightshade}]
Source: WordNet® 2.0