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 19:53, 29 July 2020 by imported>Volume Importer
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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 +
rounded;acute +
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 +
1 cm10 mm <br />0.01 m <br /> (15 cm150 mm <br />0.15 m <br />) +
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 +
villous +  and arachnoid-tomentose +
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 +