View source for Symphyotrichum welshii

{{Treatment/ID
|accepted_name=Symphyotrichum welshii
|accepted_authority=(Cronquist) G. L. Nesom
|publications={{Treatment/Publication
|title=Phytologia
|place=77: 294. 1995
|year=1995
}}
|common_names=Welsh’s aster
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}
|basionyms={{Treatment/ID/Basionym
|name=Aster welshii
|authority=Cronquist
|rank=species
|publication_title=in A. Cronquist et al., Intermount. Fl.
|publication_place=5: 291, fig. p. 293. 1994
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Symphyotrichum;Symphyotrichum subg. Symphyotrichum;Symphyotrichum sect. Symphyotrichum;Symphyotrichum welshii
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Astereae]]</div><div class="higher-taxon"><small>genus</small>[[Symphyotrichum]]</div><div class="higher-taxon"><small>subgenus</small>[[Symphyotrichum subg. Symphyotrichum]]</div><div class="higher-taxon"><small>section</small>[[Symphyotrichum sect. Symphyotrichum]]</div><div class="higher-taxon"><small>species</small>[[Symphyotrichum welshii]]</div></div>
|volume=Volume 20
|mention_page=page 468, 477, 501
|treatment_page=page 523
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 30–100 cm colonial; rhizomes shallow and long, often relatively thick (those of the season each producing a distal rosette near the parent plant). <b>Stems</b> 1–2, ascending to erect (sometimes lax, sometimes reddish), glabrous or sparsely strigoso-villosulous distally (arrays). <b>Leaves</b> (adaxially green, abaxially pale green, sometimes glaucous) thin (proximal) to stiff (distal), margins serrulate (proximal) or entire or nearly so, ± revolute, scabrous, apices mucronulate or sometimes callous-pointed, faces glabrous; basal withering by flowering, petiolate (petioles narrowly winged, sheathing), blades oblanceolate to spatulate, 10–40+ × 4–9+ mm, bases attenuate, margins entire, apices obtuse; proximal cauline withering by flowering, sessile or winged-petiolate, blades lanceolate to oblanceolate, 50–150 × 8–11 mm, bases slightly clasping, margins sparsely serrulate, apices acute; distal sessile, blades linear to linear-lanceolate, 50–130 × 4–6 mm, gradually reduced distally, bases ± clasping, apices acute. <b>Heads</b> in open, slender, leafy, paniculiform or racemiform arrays, branches ascending. <b>Peduncles</b> 0.5–2 cm, scabro-villosulous, bracts linear, scabro-ciliolate. <b>Involucres</b> cylindro-campanulate, 4–7 mm. <b>Phyllaries</b> in 3–4 series, lanceolate (outer) to linear (inner), ± unequal, bases indurate, margins hyaline, erose, distally scabro-ciliolate to ciliolate, green zones ± foliaceous (outer) or lanceolate, apices acute to acuminate, sometimes purplish, faces glabrous. <b>Ray</b> florets 18–25; corollas pink to white, laminae 9–12 × 0.8–1.5 mm. <b>Disc</b> florets 23–60; corollas pale yellow, 3.8–6.4 mm, tubes shorter than funnelform throats, lobes narrowly triangular, 0.4–0.8 mm. <b>Cypselae</b> pinkish tan (nerves stramineous), obovoid, ± compressed, 0.8–1.6 mm, 3–5-nerved, faces sparsely strigillose; pappi white, 2.8–5.3 mm. <b>2n</b> = 16.</span><!--

-->{{Treatment/Body
|phenology=Flowering Aug–Oct.
|habitat=Wet soils in dry areas, hanging gardens, seeps, wet ledges, stream banks
|elevation=1300–2300 m
|distribution=Ariz.;Idaho;Mont.;Utah;Wyo.
|discussion=<p>Of conservation concern.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Symphyotrichum welshii
|authority=(Cronquist) G. L. Nesom
|rank=species
|parent rank=section
|synonyms=
|basionyms=Aster welshii
|family=Asteraceae
|phenology=Flowering Aug–Oct.
|habitat=Wet soils in dry areas, hanging gardens, seeps, wet ledges, stream banks
|elevation=1300–2300 m
|distribution=Ariz.;Idaho;Mont.;Utah;Wyo.
|reference=None
|publication title=Phytologia
|publication year=1995
|special status=Endemic;Conservation concern
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1164.xml
|tribe=Asteraceae tribe Astereae
|genus=Symphyotrichum
|subgenus=Symphyotrichum subg. Symphyotrichum
|section=Symphyotrichum sect. Symphyotrichum
|species=Symphyotrichum welshii
}}<!--

-->[[Category:Treatment]][[Category:Symphyotrichum sect. Symphyotrichum]]