Flora of North America species comparison

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Cirsium cymosum var. cymosum
Photo is of parent taxon

peregrine thistle
Outer phyllaries

elongate, often nearly as long as inner; glutinous ridge narrow, weakly developed.
Larger

heads 20–35 mm diam.
2n

= 30, 34.

Cirsium cymosum var. cymosum
Phenology Flowering spring–summer (Apr–Aug).
Habitat Grassy areas, sagebrush steppe, California woodlands, open coniferous or conifer-hardwood forests, roadsides
Elevation 200–2000 m (700–6600 ft)
Distribution
from FNA
CA; NV; OR
[BONAP county map]
Discussion

Variety cymosum ranges from the Siskiyou Range south through the California North Coast Range to Mount Diablo in the northern South Coast Range, and east into the southern Cascades and the northwestern Great Basin.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 19, p. 136.
Parent taxa Asteraceae > tribe Cardueae > Cirsium > Cirsium cymosum
Sibling taxa
C. cymosum var. canovirens
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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