Silphium perfoliatum - Cup Plant, Compass Plant, Ragged Cup
Silphium perfoliatum
Common names: Cup Plant, Compass Plant, Ragged Cup
Natural Range: Central North America
UW Medicinal Herb Garden Location: B-8
Photo © 1994 Michael Boer. All rights reserved.
Silphium perfoliatum, 7/20/1994 2:00 PM
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