Difference between revisions of "Cirsium eatonii var. eriocephalum"
Sida 21: 1645. 2005.
Common names: Mountain or alpine thistle
Basionym: Cnicus eriocephalus A. Gray
Synonyms: Carduus hookerianus var. eriocephalus (A. Gray) A. Nelson Cirsium scopulorum (Greene) Cockerell ex Daniels
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|name=Carduus hookerianus var. eriocephalus | |name=Carduus hookerianus var. eriocephalus | ||
|authority=(A. Gray) A. Nelson | |authority=(A. Gray) A. Nelson | ||
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|name=Cirsium scopulorum | |name=Cirsium scopulorum | ||
|authority=(Greene) Cockerell ex Daniels | |authority=(Greene) Cockerell ex Daniels | ||
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| − | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect or ascending, 30–150 cm. <b>Leaf</b> faces thinly to densely arachnoid-tomentose, especially abaxially, and villous or tomentose with septate trichomes, especially along midveins, adaxially ± glabrate. <b>Heads</b> sessile or short-pedunculate in usually nodding, densely woolly-tomentose, spiciform or racemiform arrays. <b>Involucres</b> 2.5–3.5 cm, densely tomentose with septate trichomes (individual phyllaries obscured by tomentum). <b>Phyllaries</b>: outer with stiff lateral spines; apical spines slender. <b>Corollas</b> yellow (northern populations) or pink to pale purple (southern populations), 13–18 mm, tubes 6–9 mm, throats 3–5.5 mm, lobes 3–7 mm. <b>Pappi</b> 10–15 mm. <b>2n</b> = 34 (as C. scopulorum).</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect or ascending, 30–150 cm. <b>Leaf</b> faces thinly to densely arachnoid-tomentose, especially abaxially, and villous or tomentose with septate trichomes, especially along midveins, adaxially ± glabrate. <b>Heads</b> sessile or short-pedunculate in usually nodding, densely woolly-tomentose, spiciform or racemiform arrays. <b>Involucres</b> 2.5–3.5 cm, densely tomentose with septate trichomes (individual phyllaries obscured by tomentum). <b>Phyllaries</b>: outer with stiff lateral spines; apical spines slender. <b>Corollas</b> yellow (northern populations) or pink to pale purple (southern populations), 13–18 mm, tubes 6–9 mm, throats 3–5.5 mm, lobes 3–7 mm. <b>Pappi</b> 10–15 mm. <b>2n</b> = 34 (as <i>C. scopulorum</i>).</span><!-- |
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|publication year=2005 | |publication year=2005 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V19_144.xml |
|tribe=Asteraceae tribe Cardueae | |tribe=Asteraceae tribe Cardueae | ||
|genus=Cirsium | |genus=Cirsium | ||
Revision as of 15:09, 18 September 2019
Stems erect or ascending, 30–150 cm. Leaf faces thinly to densely arachnoid-tomentose, especially abaxially, and villous or tomentose with septate trichomes, especially along midveins, adaxially ± glabrate. Heads sessile or short-pedunculate in usually nodding, densely woolly-tomentose, spiciform or racemiform arrays. Involucres 2.5–3.5 cm, densely tomentose with septate trichomes (individual phyllaries obscured by tomentum). Phyllaries: outer with stiff lateral spines; apical spines slender. Corollas yellow (northern populations) or pink to pale purple (southern populations), 13–18 mm, tubes 6–9 mm, throats 3–5.5 mm, lobes 3–7 mm. Pappi 10–15 mm. 2n = 34 (as C. scopulorum).
Phenology: Flowering summer (Jul–Sep).
Habitat: Forest openings, alpine and subalpine meadows, windswept alpine ridges
Elevation: 2200–3800 m
Distribution
Colo., N.Mex., Utah.
Discussion
Selected References
None.
Lower Taxa
None.