from The Century Dictionary.

  • noun A small genus of American composite herbs, two or three of which are garden-plants. It is closely allied to Rudbeckia. Ratibida columnaris is the leading cultivated species, particularly the variety pulcherrima (Obeliscaria pulcherrima of former seed-lists), native to prairies of the midcontinental region. This plant is two to three feet tall, with narrowly divided leaves, and yellow or purple rays on the terminal long-receptacled heads.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun genus of perennial wildflowers of North American plains and prairies; often cultivated for their showy flower heads


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  • As with certain coneflowers, this species of ratibida has large, down-turned petals (numbering four to 11) ringing the center, fashioning a colorful brim.

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