black-eyed susan

Noun black-eyed susan has 3 senses

• black-eyed susan(n = noun.plant) black-eyed susan vine, thunbergia alata - tropical African climbing plant having yellow flowers with a dark purple center;
is a member of genus thunbergia, thunbergia
is a kind of vine

• black-eyed susan(n = noun.plant) bladder ketmia, flower-of-an-hour, flowers-of-an-hour, hibiscus trionum - annual weedy herb with ephemeral yellow purple-eyed flowers; Old World tropics; naturalized as a weed in North America;
is a kind of hibiscus

• black-eyed susan(n = noun.plant) rudbeckia hirta, rudbeckia serotina - the state flower of Maryland; of central and southeastern United States; having daisylike flowers with dark centers and yellow to orange rays;
is a member of genus rudbeckia, rudbeckia
is a kind of coneflower