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rudbeckia

noun rud·beck·ia \ˌrəd-ˈbe-kē-ə, rüd-\

Definition of RUDBECKIA

:  any of a genus (Rudbeckia) of North American chiefly perennial composite herbs having showy flower heads with mostly yellow ray flowers and a usually conical scaly receptacle
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Origin of RUDBECKIA

New Latin, from Olof Rudbeck †1702 Swedish scientist
First Known Use: circa 1759

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