Cirsium Eatonii Var. Clokeyi on:
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''Cirsium eatonii'', commonly known as Eaton's thistle or mountaintop thistle, is a
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
n species of flowering plants in the family Asteraceae.
The species has been found in Idaho, Montana, New Mexico, Wyoming, Nevada, Utah and Colorado.
Description
''Cirsium eatonii'' is highly variable. It is an erect herb up to 150 cm (60 inches or 5 feet) tall in some populations. The entire foliage is more or less spiny. One plant produces several flower heads with pink to purple or yellow flowers. The species grows at high elevations in grasslands, sagebrush steppes, open savannahs, etc. ;Varieties A number of varieties have been identified, which include: *''Cirsium eatonii'' var. ''clokeyi'' - Clokey thistle, Spring Mountains thistle, white-spine thistle. This variety is rare and uncommon. - Nevada *''Cirsium eatonii'' var. ''eatonii'' - Nevada, Utah *''Cirsium eatonii'' var. ''eriocephalum'' - alpine thistle, mountain thistle - Colorado, New Mexico, Utah *''Cirsium eatonii'' var. ''hesperium'' - tall mountain thistle - Colorado *''Cirsium eatonii'' var. ''murdockii'' - northern mountain thistle - Colorado, Idaho, Montana, Nevada, Utah, Wyoming * ''Cirsium eatonii'' var. ''peckii'' - ghost thistle, Steens Mountain thistle - Nevada, Oregon *''Cirsium eatonii'' var. ''viperinum'' - Snake Range thistle - Nevada
References
External links
* * * * eatonii Flora of the Western United States Flora of the Great Basin Plants described in 1871 Taxa named by Asa Gray Flora without expected TNC conservation status {{Cynareae-stub