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Photographer: Richard Bauer
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Family Asteraceae
Cirsium discolor (Muhl. ex Willd.) Spreng.
field thistle, pasture thistle, prairie thistle
Cirsium: derived from the Greek kirsion, "a kind of thistle;" also cirsos meaning "a swollen vein" for which thistle was once a remedy
discolor: of two or different colors
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| Status: | Native |
| Plant: | erect, (biennial?)/perennial, 3'-7' tall, silvery, widely branched, spiny forb |
| Flower: | head up to 1 1/2" wide with pale pink disk flowers; inflorescence of one to many heads on a somewhat leafy stalk; blooms July-Oct. |
| Fruit: | dry seed on fluffy, feathery-divided pappus |
| Leaf: | large, firm, spiny, deeply pinnately-divided, underside with a whitish fuzz |
| Habitat: | dry to moderate moisture; prairies, fields |
| Notes: | similar to C. altissimum |
| (Glossary) |
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 Spreng.&phog=Derek Anderson&spcode=CIRDIS)
 Spreng.&phog=Derek Anderson&spcode=CIRDIS)
 Spreng.&phog=Merel R. Black&spcode=CIRDIS)
 Spreng.&phog=Christopher Noll&spcode=CIRDIS)
 Spreng.&phog=Christopher Noll&spcode=CIRDIS)
 Spreng.&phog=Christopher Noll&spcode=CIRDIS)
 Spreng.&phog=Robert Bierman&spcode=CIRDIS)
 Spreng.&phog=Robert W. Freckmann&spcode=CIRDIS)
 Spreng.&phog=Steve C. Garske&spcode=CIRDIS)
 Spreng.&phog=Steve C. Garske&spcode=CIRDIS)
