Harman Patil (Editor)

Cirsium ciliolatum

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Covid-19
Kingdom  Plantae
Family  Asteraceae
Genus  Cirsium
Higher classification  Cirsium
Order  Asterales
Tribe  Cynareae
Scientific name  Cirsium ciliolatum
Rank  Species
Similar  Cirsium douglasii, Cirsium rhothophilum, Cirsium andrewsii, Cirsium perplexans, Cirsium andersonii

Cirsium ciliolatum is a species of thistle known by the common name Ashland thistle. It is endemic to the Klamath Mountains, where it is known from only a few occurrences in Jackson and Josephine Counties in Oregon, as well as neighboring Humboldt and Siskiyou Counties in California. It is related to Cirsium undulatum and may be more accurately described as a variety of that species.

Cirsium ciliolatum is a perennial herb growing from a rootstock branching with runner roots to a maximum height near 200 cm (79 in). It is cobwebby with fibers. The gray-green woolly leaves are smooth along the edges to deeply lobed, sometimes spiny and cobwebby, and up to 25 centimeters at the longest. The inflorescence is a cluster of several flower heads each about 2 centimeters long and up to 5 wide. The head is lined with sticky, spiny phyllaries and packed with white to lavender flowers. The fruit is an achene with a thick body a few millimeters long and a pappus about 1.5 centimeters in length.

References

Cirsium ciliolatum Wikipedia


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Cirsium andersonii
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