Rudbeckia hirta
Family: Asteraceae
black-eyed Susan
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Merel R. Black  
Etymology: Rudbeckia: named after the Swedish father and son who were professors of botany and predecessors of Linnaeus, O.J. Rudbeck (1630-1702) and O.O. Rudbeck (1660-1740)
Plants: erect, biennial/perennial, 1'-3' tall, very hairy forb
Leaves: either entire or with fine teeth, lower leaves lance-like up to 1" wide and 5 times as long, the upper becoming more linear
Flowers: head 2"-3" wide; dark brown, domed disk 1/2"-3/4" wide; 8-21 yellow, 3/4"- 1 1/2" long rays, bracts (phyllaries) with coarse hairs; inflorescence with a long-stalked, solitary heads; blooms June-Oct.
Fruits: dry seed with no fluffy pappus
Habitat: full to partial sun; dry, moderate moisture to wet; prairies, meadows, roadsides; in sandy, loamy soil
Hazardous: Careful, this plant is hazardous!
Conservation Status: Native
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Merel R. Black  
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Merel R. Black  
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Paul Drobot  
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Robert R. Kowal  
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Matthew L. Wagner  
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Matthew L. Wagner  
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Paul Drobot  
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Kenneth J. Sytsma  
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Richard Bauer  
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Botanical Illustration  
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Caroline A. Creevey  
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Botanical Illustration  
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Botanical Illustration  
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Aaron_Carlson  
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Aaron Carlson  
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Aaron Carlson  
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Aaron Carlson  
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Aaron Carlson  
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Aaron_Carlson  
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Aaron_Carlson  
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Aaron Carlson  
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Aaron_Carlson  
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Aaron_Carlson  
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