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3 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Rud·beck·i·a n.  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.
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From: Webster's Revised Unabridged Dictionary (1913)

 Black-eyed Su·san. Bot. (a) The coneflower, or yellow daisy (Rudbeckia hirta). (b) The bladder ketmie.
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From: WordNet (r) 2.0

 Rudbeckia hirta
      n : 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
           serotina]