black-eyed Susan
noun
1 black-eyed Susan
Tropical African climbing plant having yellow flowers with a dark purple center.
synonyms: black-eyed Susan vine, Thunbergia alata.
Polish: tunbergia oskrzydlona
2 black-eyed Susan
Annual weedy herb with ephemeral yellow purple-eyed flowers; Old World tropics; naturalized as a weed in North America.
synonyms: bladder ketmia, flower-of-an-hour, flowers-of-an-hour, Hibiscus trionum.
3 black-eyed Susan
The state flower of Maryland; of central and southeastern United States; having daisylike flowers with dark centers and yellow to orange rays.
synonyms: Rudbeckia hirta, Rudbeckia serotina.
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