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This is an imposing, but attractive plant when it is in bloom. Cup Plant is easy to distinguish from other Silphium spp., as well as various sunflowers, by the perfoliate leaves that can hold water, and the hairless four-angled stems. Return

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Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© John Hilty

Source: Illinois Wildflowers

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