(Photo) False sunflower

When is a sunflower not a sunflower? When it's a false sunflower. While it's also a member of the aster family, both the ray and disk florets of heliopsis helianthoides produce seeds--while with true sunflowers only the disk florets make seeds.

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This wildflower was photographed at the Linne Woods restored tallgrass prairie in Morton Grove, Illinois.