[black-eyed Su.san] n (1892): either of two No. American coneflowers (Rudbeckia hirta and R. serotina) having flower heads with deep yellow to orange rays and dark conical disks
BLACK-EYED SUSAN
Meaning of BLACK-EYED SUSAN in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012