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Rose Coreopsis?

Rose Coreopsis? - Botany Forum

Rose Coreopsis? - Botany Forum


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  #1  
Old 09-08-2009, 02:16 PM
Ron Hardin
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Default Rose Coreopsis?



Is this Rose Coreopsis? Central Ohio roadside
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leaves
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It matches Newcomb's pretty well but matches no example on the web.
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  #2  
Old 09-24-2009, 11:59 PM
Sean Houtman
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Default Rose Coreopsis?

Ron Hardin <[Only registered users see links. ]> wrote in news:4AA66738.752
@mindspring.com:


It looks more like a Cosmos to me. Coreopsis rosea has linear leaves, your
images show pinnate leaves. The difference between Cosmos and Coreopsis is
largely in the pappus, Coreopsis has a low crown or two barbless teeth,
while Cosmos has barbed awns.

You also don't say how large the flowers are, C. rosea is generally less
than 2 inches across, while Cosmos tends to be more than 2 inches.

Sean


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  #3  
Old 09-27-2009, 08:56 PM
Ron Hardin
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Default Rose Coreopsis?

Sean Houtman wrote:

Cosmos looks like a good match (it's not in Newman's!); about 2.5 inches across.

One roadside flower by itself, no others anywhere to be seen.

Still there to be measured. No frost, and nobody's run over it.
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