perennial ragweed perennial pea • perennial-rooted · · · Info · Definitions · Synonyms · Characters · · perennial ragweed · · Text Common · · Latin · · Scripts 17 · · Length 4 · · Syllables Definitions · · · (noun) coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico. Synonyms: western ragweed, perennial ragweed, Ambrosia psilostachya. · · Noun Definition 1 Synonyms · · · western ragweed · · Synonym 1 ambrosia psilostachya · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 w latin small letter w U+0077