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Cirsium undulatum

species

“Wavyleaf Thistle”

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On Wikipedia

Cirsium undulatum is a species of thistle known by the common names wavyleaf thistle and gray thistle. It is native to much of central and western North America from British Columbia east to Manitoba and south as far as the State of Durango in Mexico. It has also been found outside of its native range as an introduced species.Cirsium undulatum is widespread and found in many habitat types. It is a perennial herb exceeding 200 cm (79 in) in height. The stem branches a few times toward the top of the plant if at all. The leaves are very wavy along the edges and usually cut into shallow toothed lobes. The longest near the base of the plant are up to 30 centimetres (12 inches) long. The inflorescence holds one or more flower heads each up to 5 centimetres (2.0 inches) long and wide. The head…

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Range Maps show field notes recorded by Natural Atlas contributors and other datasets via GBIF.org

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Cirsium undulatum

Cirsium undulatum

Cirsium undulatum