snakeweed

noun

1. low-growing sticky subshrub of southwestern United States having narrow linear leaves on many slender branches and hundreds of tiny yellow flower heads

   noun.plant

   Synonyms broom snakeroot broom snakeweed gutierrezia sarothrae rabbit-weed rabbitweed turpentine weed

   Source: WordNet 3.0

2. A kind of knotweed (<i>Polygonum Bistorta</i>).

   noun

   Source: webster1913