Black-eyed Susan (Rudbeckia hirta) Linnaeus, 1753

 

Synonyms: Rudbeckia monticola, Rudbeckia serotina, Centrocarpha gracilis, Coreopsis hirta, Helianthus hirtus, Brown-eyed Susan (in part), brown betty

 

 

Rudbeckia hirta is native to eastern and central North America; introduced on the West Coast (Washington to California), in Europe, and China. It grows in meadows, prairies, pastures, old fields, and open woodlands; sea level to 500 m. Annual, biennial or perennial herb; 30-100 cm in height. The stem is hispid to hirsute. The leaves are elliptic, lanceolate, or ovate, with entire or serrated margins; covered by coarse hair. The flower heads (up to 10 cm in diameter) borne singly or in loose arrays; 8-16 yellow to yellow-orange ray florets; brown-purple disc florets. Black-eyed Susan flowers from late spring into autumn.

 

		D59167 Black-eyed Susan (Rudbeckia hirta) Burnt Lands Provincial Park Ontario, Canada Copyright © Michael Patrikeev All Rights Reserved
		D61116 Black-eyed Susan (Rudbeckia hirta) Canoe Creek State Park Pennsylvania, USA Copyright © Michael Patrikeev All Rights Reserved
		D59173 Black-eyed Susan (Rudbeckia hirta) Burnt Lands Provincial Park Ontario, Canada Copyright © Michael Patrikeev All Rights Reserved
		7734 Black-eyed Susan (Rudbeckia hirta) Long Point Ontario, Canada Copyright © Michael Patrikeev All Rights Reserved

 

		D59156 Black-eyed Susan (Rudbeckia hirta) Burnt Lands Provincial Park Ontario, Canada Copyright © Michael Patrikeev All Rights Reserved
		D61121 Black-eyed Susan (Rudbeckia hirta) Canoe Creek State Park Pennsylvania, USA Copyright © Michael Patrikeev All Rights Reserved
		D59164 Black-eyed Susan (Rudbeckia hirta) Burnt Lands Provincial Park Ontario, Canada Copyright © Michael Patrikeev All Rights Reserved
		7738 Black-eyed Susan (Rudbeckia hirta) Long Point Ontario, Canada Copyright © Michael Patrikeev All Rights Reserved
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