Cirsium remotifolium var. remotifolium

Common names: Remote-leaved thistle
Treatment appears in FNA Volume 19. Treatment on page 130. Mentioned on page 131, 147.

Phyllaries imbricate or often subequal, narrowly oblong or linear, entire or sometimes weakly expanded and scarious. Corollas cream-colored, 20–28 mm, tubes 6–12 mm, throats 8–10 mm, lobes 4.5–6.5 mm.


Phenology: Flowering late spring–summer (May–Aug).
Habitat: Fields, meadows, forest openings, open woods, brushy slopes
Elevation: 40–1400 m

Discussion

Variety remotifolium occurs primarily west of the Cascade Range in Washington and Oregon and on coastal-facing slopes in northwestern California. Intermediates with var. odontolepis are known through much of that range.

Selected References

None.

Lower Taxa

None.
David J. Keil +
(Hooker) de Candolle +
Carduus remotifolius +
Remote-leaved thistle +
Calif. +, Oreg. +  and Wash. +
40–1400 m +
Fields, meadows, forest openings, open woods, brushy slopes +
Flowering late spring–summer (May–Aug). +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
Illustrated +  and Endemic +
Asteraceae tribe Cynarea +
Cirsium remotifolium var. remotifolium +
Cirsium remotifolium +
variety +