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Definition of Rudbeckia serotina
1. Noun. The state flower of Maryland; of central and southeastern United States; having daisylike flowers with dark centers and yellow to orange rays.
Exact synonyms: Black-eyed Susan, Rudbeckia Hirta
Group relationships: Genus Rudbeckia, Rudbeckia
Generic synonyms: Coneflower
Group relationships: Genus Rudbeckia, Rudbeckia
Generic synonyms: Coneflower