Cirsium remotifolium var. remotifolium

Common names: Remote-leaved thistle
Treatment appears in FNA Volume 19. Treatment on page 130. Mentioned on page 131, 147.
Revision as of 20:42, 27 May 2020 by imported>Volume Importer

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 +