Cirsium inamoenum var. davisii

(Cronquist) D. J. Keil

Sida 21: 214. 2004.

Common names: Davis’s thistle
Endemic
Basionym: Cirsium davisii Cronquist Leafl. W. Bot. 6: 46. 1950
Treatment appears in FNA Volume 19. Treatment on page 135. Mentioned on page 108.

Involucres 1.5–3.5 cm diam. corollas lavender to rich pink-purple.


Phenology: Flowering summer (Jun–Aug).
Habitat: Arid slopes, roadsides, grasslands, sagebrush scrub, dry woodlands, montane forests
Elevation: 1400–3100 m

Discussion

Variety davisii occurs in the northern Great Basin region and adjacent mountains from northern Nevada and southern Idaho to eastern Wyoming and northern Utah.

Selected References

None.

Lower Taxa

None.
David J. Keil +
(Cronquist) D. J. Keil +
Cirsium davisii +
Davis’s thistle +
Idaho +, Nev. +, Utah +  and Wyo. +
1400–3100 m +
Arid slopes, roadsides, grasslands, sagebrush scrub, dry woodlands, montane forests +
Flowering summer (Jun–Aug). +
Compositae +
Cirsium inamoenum var. davisii +
Cirsium inamoenum +
variety +