Definitions
from The Century Dictionary.
- noun A genus of composite plants of the tribe Helianthoideæ and subtribe Verbesineæ, consisting of rigid, mostly perennial herbs with large or middle-sized (often showy) heads borne on long stalks.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Bot.) A genus of composite plants, the coneflowers, consisting of perennial herbs with showy pedunculate heads, having a hemispherical involucre, sterile ray flowers, and a conical chaffy receptacle. There are about thirty species, exclusively North American.
Rudbeckia hirta , theblack-eyed Susan , is a common weed in meadows.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun North American perennial herbs with showy cone-shaped flower heads
Etymologies
Sorry, no etymologies found.
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Examples
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To further confuse things, some plants such as the coneflowers called Rudbeckia come in varieties that act like annuals in most places, dying in winter, and other varieties that come back each year, even in the coldest North.
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You would be largely right, as this species has been previously classified as Rudbeckia columnifera.
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Rudbeckia triloba Brown-eyed Susan: An airy form with a three-month bloom season and deep-gold flowers.
Mums Not the Word 2011
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Rudbeckia ‘Indian Summer’ 2. an unnamed mum that I originally got from my mother-in-law, and this beauty, Chrysanthemum ‘Clara Curtis.’
The world’s best mum: The classic ‘Clara Curtis’ « Sugar Creek Gardens’ Blog 2009
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Rudbeckia hirta 'Autumn Colors,' an exotic cultivar of the familiar native Black-eyed Susan, provides showy face flowers best treated as a biennial, get it into the ground before it freezes for reseeding.
Mums Not the Word 2011
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Rudbeckia hirta has popped up back there this year, that has been added to the vision as well, although we wonder how it got there.
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Rudbeckia hirta ‘Cherry Brandy’ is growing nicely.
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The Rudbeckia hirta is annual here usually, but a few act like biennials, dying after flowering.
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Six store bought Rudbeckia hirta ‘Prairie Sun’ were added at the front edges to keep people from walking on the newly designated wild meadow type areas while they grow to the same height as the original fans.
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Rudbeckia ‘Cherry Brandy’ was protected from freezing, varmints and critters with little forts of rosemary twigs around each.
Belated Bloom Day Of June-Garden To Jungle In Seven Days « Fairegarden 2010
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