helenium autumnale Helenium • helenium hoopesii · · · Info · Definitions · Synonyms · Characters · · helenium autumnale · · Text Common · · Latin · · Scripts 18 · · Length 9 · · Syllables Definitions · · · (noun) North American perennial with bright yellow late summer flowers. Synonyms: autumn sneezeweed, Helenium autumnale. · · Noun Definition 1 Synonyms · · · autumn sneezeweed · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E t latin small letter t U+0074 u latin small letter u U+0075