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Silphium perfoliatum

Family: asteraceae
Common name(s): cup plant
Hardiness ratings: USDA zone 3~5 - 8~9

General resources

  • Wikipedia. Online encyclopedia entry (if defined).
  • Google images. Web search for photographs.
  • GRIN. Taxonomical details, with common names, distribution, and synonyms.
  • The Plant List. Taxonomical lookup

Links for Silphium perfoliatum

Silphium perfoliatum var. connatum


Silphium perfoliatum var. perfoliatum


Silphium perfoliatum varconnatum

Last updated:02 Jul 2017