jointweed

== English == === Etymology === From joint +‎ weed. === Noun === jointweed (usually uncountable, plural jointweeds) Any member of the genus Polygonella, now included in genus Polygonum of knotweeds and smartweeds, especially Polygonella articulata, now Polygonum articulatum. ==== Synonyms ==== wireweed === References === “jointweed”, in OneLook Dictionary Search.