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Definition of Black-eyed Susan
1. Noun. Tropical African climbing plant having yellow flowers with a dark purple center.
Exact synonyms: Black-eyed Susan Vine, Thunbergia Alata
Group relationships: Genus Thunbergia, Thunbergia
Generic synonyms: Vine
Group relationships: Genus Thunbergia, Thunbergia
Generic synonyms: Vine
2. Noun. Annual weedy herb with ephemeral yellow purple-eyed flowers; Old World tropics; naturalized as a weed in North America.
Exact synonyms: Bladder Ketmia, Flower-of-an-hour, Flowers-of-an-hour, Hibiscus Trionum
Generic synonyms: Hibiscus
Generic synonyms: Hibiscus
3. 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: Rudbeckia Hirta, Rudbeckia Serotina
Group relationships: Genus Rudbeckia, Rudbeckia
Generic synonyms: Coneflower
Group relationships: Genus Rudbeckia, Rudbeckia
Generic synonyms: Coneflower
Definition of Black-eyed Susan
1. Noun. A flowering annual plant ''Rudbeckia hirta''; the state flower of Maryland. ¹
¹ Source: wiktionary.com