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
Recent Examples of rudbeckia from the Web
This week's gardening tips: To encourage continued blooming, remove spent flowers from bedding plants, such as marigolds, zinnias, pentas, cosmos, salvia and rudbeckia.
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Origin and Etymology of rudbeckia
New Latin, from Olof Rudbeck †1702 Swedish scientist
First Known Use: circa 1759See Words from the same year
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