rudbeckia (redirected from rudbeckias)

rudbeckia [rʌdˈbɛkɪə]

n

(Life Sciences & Allied Applications / Plants) any plant of the North American genus Rudbeckia, cultivated for their showy flowers, which have golden-yellow rays and green or black conical centres: family Asteraceae (composites) See also coneflower, black-eyed Susan

[New Latin, named after Olaus Rudbeck (1630-1702), Swedish botanist]

Thesaurus

Noun

1.

Rudbeckia - North American perennial herbs with showy cone-shaped flower heads genus Rudbeckia asterid dicot genus - genus of more or less advanced dicotyledonous herbs and some trees and shrubs aster family, Asteraceae, Compositae, family Asteraceae, family Compositae - plants with heads composed of many florets: aster; daisy; dandelion; goldenrod; marigold; lettuces; ragweed; sunflower; thistle; zinnia coneflower - any of various plants of the genus Rudbeckia cultivated for their large usually yellow daisies with prominent central cones Rudbeckia hirta, Rudbeckia serotina, 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 cutleaved coneflower, Rudbeckia laciniata - tall leafy plant with erect branches ending in large yellow flower heads with downward-arching rays; grow in Rocky Mountains south to Arizona and east to the Atlantic coast double gold, golden glow, Rudbeckia laciniata hortensia, hortensia - very tall branching herb with showy much-doubled yellow flower heads