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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 rud·beck·ia /ˌrʌdˈbɛkiə, rud-/
 黃雛菊屬

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: WordNet (r) 2.0

 Rudbeckia
      n : North American perennial herbs with showy cone-shaped flower
          heads [syn: genus Rudbeckia]