noun
1. tropical African climbing plant having yellow flowers with a dark purple center
• Syn: ↑black-eyed Susan vine, ↑Thunbergia alata
• Hypernyms: ↑vine
• Member Holonyms: ↑Thunbergia, ↑genus Thunbergia
2. annual weedy herb with ephemeral yellow purple-eyed flowers; Old World tropics; naturalized as a weed in North America
• Syn: ↑flower-of-an-hour, ↑flowers-of-an-hour, ↑bladder ketmia, ↑Hibiscus trionum
• Hypernyms: ↑hibiscus
3. the state flower of Maryland; of central and southeastern United States; having daisylike flowers with dark centers and yellow to orange rays
• Syn: ↑Rudbeckia hirta, ↑Rudbeckia serotina
• Hypernyms: ↑coneflower
• Member Holonyms: ↑Rudbeckia, ↑genus Rudbeckia
Useful english dictionary. 2012.