Silphium perfoliatum, the cup plant or cup-plant, is a species of flowering plant in the family Asteraceae, native to eastern and central North America. It is an erect herbaceous perennial with triangular toothed leaves, and daisy-like yellow composite flower heads in summer.
Other Names: Zonnekroon, Becherpflanze, Harzkraut, Verwachsenblättrige Becherpflanze, Silphe Perfolié, Durchwachsene Silphie
Silphium perfoliatum perfoliatum is a variety of plants with 14 observations
Other Names: Silphe Perfolié, Asasa'weskûk
Silphium perfoliatum connatum is a variety of plants with 9 observations
Other Names: Silphium connatum
To track the locations of Silphium Perfoliatum var. Connatum To assist in proper identification. Project Icon by j-a -anderson