View source for Cirsium scariosum var. thorneae

{{Treatment/ID
|accepted_name=Cirsium scariosum var. thorneae
|accepted_authority=S. L. Welsh
|publications={{Treatment/Publication
|title=Great Basin Naturalist
|place=42: 201. 1982
|year=1982
}}
|common_names=Thorne’s thistle
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Cardueae;Cirsium;Cirsium scariosum;Cirsium scariosum var. thorneae
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Cardueae]]</div><div class="higher-taxon"><small>genus</small>[[Cirsium]]</div><div class="higher-taxon"><small>species</small>[[Cirsium scariosum]]</div><div class="higher-taxon"><small>variety</small>[[Cirsium scariosum var. thorneae]]</div></div>
|volume=Volume 19
|mention_page=page 154, 155, 156, 158
|treatment_page=page 157
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>erect, caulescent (rarely nearly acaulescent), 20–130 cm. <b>Stems</b> distally short-branched to openly much-branched throughout, leafy, glabrous or villous with septate trichomes. <b>Leaves</b>: blades oblong, oblanceolate, or narrowly elliptic, usually pinnately lobed more than halfway to midveins, abaxial faces glabrous or gray-tomentose, adaxial glabrous; distal usually deeply divided, fiercely armed with stout spines, the longer 1–3 cm. <b>Heads</b> 1–10+, sessile or pedunculate, solitary or crowded near tip of main stem or branches, usually subtended and ± overtopped by distal leaves. <b>Involucres</b> (broadly ovoid to hemispheric) 2.5–3.5 cm. <b>Phyllaries</b>: outer and mid lanceolate to narrowly ovate, spines slender to stout, 2–8 mm; apices of inner usually abruptly expanded into scarious, erose-toothed appendages. <b>Corollas</b> white to dull purple, 29–34 mm, tubes 14–18 mm, throats 6.5–9 mm, lobes 7–8.5 mm; style tips 5–6.5 mm. <b>Cypselae</b> 4.5–5 mm; pappi 20–27 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer (Jun–Sep).
|habitat=Meadows, streamsides, valley bottoms, often in saline soils
|elevation=1500–2200 m
|distribution=Colo.;Idaho;Nev.;Utah.
|discussion=<p>Variety thorneae grows mostly in the Basin and Range province of Utah with populations in eastern <i>Nevada</i>, southern Idaho, and western Colorado.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Cirsium scariosum var. thorneae
|authority=S. L. Welsh
|rank=variety
|parent rank=species
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering summer (Jun–Sep).
|habitat=Meadows, streamsides, valley bottoms, often in saline soils
|elevation=1500–2200 m
|distribution=Colo.;Idaho;Nev.;Utah.
|reference=None
|publication title=Great Basin Naturalist
|publication year=1982
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_154.xml
|tribe=Asteraceae tribe Cardueae
|genus=Cirsium
|species=Cirsium scariosum
|variety=Cirsium scariosum var. thorneae
}}<!--

-->[[Category:Treatment]][[Category:Cirsium scariosum]]