Need help identifying Ohio wildflowers - Knowledgebase Question

Columbus, Ohio
Question by larustikskaya
August 30, 2017
I've been looking for a tall plant like this to use in my home landscape. I found these three along Big Walnut Creek in Gahanna, Ohio, but don't know what they are. I'm guessing one is wingstem and another is a type of sunflower. Specific Latin names and any other information would be helpful. Thank you!
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Name: Rj
Just S of the twin cities of M (Zone 4b)
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A comment from crawgarden
August 30, 2017
Looks like it's a Cup Plant, Silphium perfoliatum.

Name: Ursula
Fair Lawn NJ, zone 6b
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Answer from Ursula
August 30, 2017

0

Could the one in the middle be Bidens? Perhaps Bidens cernua?

Name: Kent Pfeiffer
Southeast Nebraska (Zone 5b)
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Answer from KentPfeiffer
August 30, 2017

0

First one is Cutleaf Coneflower (Rudbeckia laciniata)

Second is Wingstem (Verbesina alternifolia)

Not sure about the third.

Name: Michelle
Pleasant Lake MI (Zone 6a)
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Answer from Mizshelli
August 31, 2017

0

I'm pretty sure the last one is Jerusalem Artichoke-- helianthus strumosus. They grow wild in Michigan too.

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