Putnam Park Wildflowers


Flower ID: IMG_0915.JPG-06-29-2017
Flower name (scientific): Cirsium arvense var. arvense (Linnaeus) Scopoli PY: 1772
Flower name (common): Canada Thistle
Family name (common): Aster
Family name (scientific): Asteraceae
Scientific name origin:
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Common name origin:
Flower description:
     Size: 0.4 to 0.5 inches ( 1.0 to 1.3 cm)
     Petal count: 11
     Color: purple
     Other: flower arrangement, Cluster-flat
Plant description:
     Size: 12 to 48 inches ( 30. to 122. cm)
     Stem hairy:
     Other:
Leaf description: attachment is alternate, type is simple and lobed
     Size:
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     Hairy:
     Other: Shape: leaf, oblong to elliptic (FNA)
Origin (native, introduced, invasive): Introduced, invasive/Restricted in Wisconsin
Status (common, uncommon, threatened, rare): Common
Bloom time (typical): June to October
Cycle (annual, biennial, perennial): Perennial
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Distribution: In Wisconsin:
In US:
In Canada:
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