Robert W. Freckmann Herbarium


  Cirsium pitcheri (Torr. ex Eaton) Torr. & A.Gray image
Photographer: Kenneth J. Sytsma           

Darcy Kind

Hugh H. Iltis

Hugh H. Iltis

Kenneth J. Sytsma

Christopher Noll

Christopher Noll
Family Asteraceae
Cirsium pitcheri (Torr. ex Eaton) Torr. & A.Gray
dune thistle, sand dune thistle
Cirsium: derived from the Greek kirsion, "a kind of thistle;" also cirsos meaning "a swollen vein" for which thistle was once a remedy
pitcheri: for Zinz Pitcher
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Threatened (Federally Threatened)
Plant: erect, biennial/perennial, 3'-7' tall, stout forb; stems covered with dense whitish fuzz; taprooted
Flower: head 1 1/2" wide with white to cream disk flowers; inflorescence a cluster of several heads; blooms May-Sept.
Fruit:dry seed on fluffy, feathery-divided pappus
Leaf:deeply pinnately-divided into long lobes
Habitat: Great Lakes beach dunes; in sandy soil
(Glossary)

More Information Natural Communities Herbarium Specimens
All Cirsium list Google- Images or Text

Flora of North America (off site)
Synonyms 
Cnicus pitcheri Torr. ex Eaton

         
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