Asteraceae asteraceae • asteraceous · · · Info · Definitions · Characters · · Asteraceae · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia. Synonyms: Compositae, family Compositae, family Asteraceae, aster family. · · Noun Definition 1 Characters · · A latin capital letter a U+0041 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074