solidago

/ (ˌsɒlɪˈdeɪɡəʊ) /

noun plural -gos

any plant of the chiefly American genus Solidago, which includes the goldenrods: family Asteraceae (composites)

Word Origin for solidago

C18: via New Latin from Medieval Latin soldago a plant reputed to have healing properties, from soldāre to strengthen, from Latin solidāre, from solidus solid