Cirsium flodmanii
| Cirsium flodmanii | |
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| 1913 illustration[1] | |
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| Species: | C. flodmanii
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| Binomial name | |
| Cirsium flodmanii (Rydb.) Arthur
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Cirsium flodmanii, common names Prairie thistle, Flodman’s thistle, or (in French) chardon de Flodman, is a plant species native to Canada and to the northern United States. It has been found in every Canadian province from Québec to Alberta, as well as from the northern Great Plains, northern Rocky Mountains, and western Great Lakes regions of the US, as well as northern parts of Vermont, New York, and Washington.[3][4]
Cirsium flodmanii is a perennial herb up to 140 cm (55 inches) tall. Leaves are up to 40 cm (16 inches) long, with numerous fine spines along the edges. Flowers are usually purple, occasionally white. The plant generally is found in grasslands and pastures.[3][5][6]
References
- ^ illustration from Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 3: 551.
- ^ The Plant List
- ^ a b Flora of North America v 19 p 120.
- ^ Biota of North America Program 2014 county distribution map
- ^ Arthur, Joseph Charles. Torreya 12(2): 34. 1912.
- ^ Rydberg, Per Axel. Memoirs of The New York Botanical Garden 1: 451. 1900.
