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.

"fine" is not a number.

green +  and gray +
villous +, glabrate +  and arachnoid-tomentose +
short-tailed +
spineless +  and twisted +
dentate +, entire +  and spine-tipped +
erect +  and spreading +
innermost +
scarious +
not +  and differentiated +
paniculiform +, racemiform +  and corymbiform +
indeterminate +  and determinate +
David J. Keil +
(Hooker) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
winged-petiolate +  and sessile +
lacerate-dentate +  and entire +
auriculate-clasping +
auriculate +  and narrowed +
expanded +
Carduus remotifolius +
compound +  and simple +
7 cm70 mm <br />0.07 m <br /> (30 cm300 mm <br />0.3 m <br />) +
dentate or;shallowly deeply pinnatifid +
1cm;15cm +
10-nerved or 20-nerved +  and rugose +
ascending;arising +
slender +
tawny +  and white +
Remote-leaved thistle +
actinomorphic +
cream-colored +
2 cm20 mm <br />0.02 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
tan +  and dark-brown +
compressed +  and ovoid +
fertile +  and bisexual +
sometimes spinier +
less deeply divided +, unlobed +  and bractlike +
Calif. +, Oreg. +  and Wash. +
40–1400 m +
gray-canescent +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Fields, meadows, forest openings, open woods, brushy slopes +
indeterminate +
each +  and sessile +
1.5 cm15 mm <br />0.015 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
glabrous +  and arachnoid-floccose +
ovoid;hemispheric or campanulate +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
bristle-tipped +
linear +  and triangular-ovate dentate +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
lacerate-dentate +, entire +  and spinulose-dentate +
usually lobed +  and dissected +
2-carpellate +
persistent +
1.3 cm13 mm <br />0.013 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
0 cm0 mm <br />0 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2 cm20 mm <br />0.02 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Flowering late spring–summer (May–Aug). +
middle +  and outer +
expanded +  and subequal +
papillate +  and smooth +
sessile +  and winged-petiolate +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
glutinous +
inconspicuous +
tawny;white +
setiform +  and plumose +
exalbuminous +
subequal +
Illustrated +  and Endemic +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
spiny-winged +, simple +  and branched +
appendaged +  and truncate +
dilated +  and swollen +
enlarged +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Compositae +
Cirsium remotifolium var. remotifolium +
Cirsium remotifolium +
variety +
cylindric +
expanded +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
bristly-dentate to coarsely +
slender +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
20 cm200 mm <br />0.2 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
tree +, vine +, shrub +  and subshrub +