'Rudbeckia hirta' definitions:

Definition of 'Rudbeckia hirta'

(from WordNet)
noun
The state flower of Maryland; of central and southeastern United States; having daisylike flowers with dark centers and yellow to orange rays [syn: black-eyed Susan, Rudbeckia hirta, Rudbeckia serotina]

Definition of 'Rudbeckia hirta'

From: GCIDE
  • Rudbeckia \Rud*beck"i*a\, n. [NL. So named after Olaf Rudebeck, a Swedish botanist.] (Bot.) A genus of composite plants, the coneflowers, consisting of perennial herbs with showy pedunculate heads, having a hemispherical involucre, sterile ray flowers, and a conical chaffy receptacle. There are about thirty species, exclusively North American. Rudbeckia hirta, the black-eyed Susan, is a common weed in meadows. [Webster 1913 Suppl.]

Definition of 'Rudbeckia hirta'

From: GCIDE
  • Black-eyed Susan \Black"-eyed` Su"san\ (Bot.) (a) The coneflower, or yellow daisy (Rudbeckia hirta). (b) The bladder ketmie. [Webster 1913 Suppl.]