Difference between revisions of "Cirsium cymosum var. cymosum"

Common names: Peregrine thistle
Treatment appears in FNA Volume 19. Treatment on page 136.
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Latest revision as of 20:47, 5 November 2020

Larger heads 20–35 mm diam. Outer phyllaries elongate, often nearly as long as inner; glutinous ridge narrow, weakly developed. 2n = 30, 34.


Phenology: Flowering spring–summer (Apr–Aug).
Habitat: Grassy areas, sagebrush steppe, California woodlands, open coniferous or conifer-hardwood forests, roadsides
Elevation: 200–2000 m

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.

Selected References

None.

Lower Taxa

None.
David J. Keil +
(Greene) J. T. Howell +
Carduus cymosus +
Peregrine thistle +
Calif. +, Nev. +  and Oreg. +
200–2000 m +
Grassy areas, sagebrush steppe, California woodlands, open coniferous or conifer-hardwood forests, roadsides +
Flowering spring–summer (Apr–Aug). +
Amer. Midl. Naturalist +
Cirsium botrys +  and Cirsium triacanthum +
Cirsium cymosum var. cymosum +
Cirsium cymosum +
variety +