black swallow-wort

== English == === Noun === black swallow-wort (countable and uncountable, plural black swallow-worts) A plant of the species Vincetoxicum nigrum, native to southern Europe, considered invasive in the United States. ==== Synonyms ==== (Vincetoxicum nigrum): Louise's swallow-wort, black dog-strangling vine; Cynanchum louiseae ==== Translations ==== === Further reading === black swallow-wort on Wikipedia.Wikipedia Vincetoxicum nigrum on Wikispecies.Wikispecies Category:Vincetoxicum nigrum on Wikimedia Commons.Wikimedia Commons Vincetoxicum nigrum at USDA Plants database Vincetoxicum+nigrum at The Plant List