ðə flˈaʊɚ hˈɛdz dˈuː ɹᵻzˈɛmbəl bˈʌʔn̩z, bˌʌt bətˈænɪkəl ɹˈɛfɹənsᵻz ɡˈɪvɪŋ ðɪs nˈeɪm duːnˌɑːt kwˈoʊt ðə bˈɑːɹbɚɹə wˌɪtʃ ðə nˈeɪm ˈɑːnɚz ɹˈɪkɪt nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈaɪv.
The flower heads do resemble buttons, but botanical references giving this name do not quote the Barbara which the name honors (Rickett 1975).