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: Genus: Specific epithet: 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: Color: 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 Habitat: Fruit: Seed: Importance to wildlife: How to differentiate related varieties: Ethnobotany: Latitude: Longitude: Altitude: Distribution: In Wisconsin: In US: In Canada: References: