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Photographer: Emmet J. Judziewicz
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Family Asteraceae
Cirsium flodmanii (Rydb.) Arthur
Flodman's 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
flodmanii: for J.H. Flodman
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| Status: | Introduced - adventive |
| Plant: | erect, perennial, 12"-32" tall forb spread by creeping roots which become taproots on the new plants; usually a single stem covered with dense, whitish fuzz |
| Flower: | head 1" wide with a rounded base and purple disk flowers; inflorescence with one to a few clustered heads; blooms June-Sept. |
| Fruit: | dry seed with a yellow band on fluffy, feathery-divided pappus |
| Leaf: | usually deeply pinnately-divided with long triangular lobes, underside with whitish fuzz |
| Habitat: | moist; poorly-drained areas mostly along railroads |
| Notes: | similar to C. undulatum |
| (Glossary) |
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 Arthur&phog=Derek Anderson&spcode=CIRFLO)
 Arthur&phog=Emmet J. Judziewicz&spcode=CIRFLO)
