View source for Symphyotrichum potosinum

{{Treatment/ID
|accepted_name=Symphyotrichum potosinum
|accepted_authority=(A. Gray) G. L. Nesom
|publications={{Treatment/Publication
|title=Phytologia
|place=77: 289. 1995
|year=1995
}}
|common_names=Santa Rita Mountain aster
|basionyms={{Treatment/ID/Basionym
|name=Aster potosinus
|authority=A. Gray
|rank=species
|publication_title=Proc. Amer. Acad. Arts
|publication_place=15: 32. 1880
}}
|synonyms={{Treatment/ID/Synonym
|name=Aster lemmonii
|authority=A. Gray
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Symphyotrichum;Symphyotrichum subg. Astropolium;Symphyotrichum potosinum
|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. Astropolium]]</div><div class="higher-taxon"><small>species</small>[[Symphyotrichum potosinum]]</div></div>
|volume=Volume 20
|mention_page=page 468
|treatment_page=page 480
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 15–35(–45) cm, colonial or cespitose; rhizoma-tous. <b>Stems</b> 1–3+, ascending to erect (sometimes purple or purplish brown), glabrous or glabrate, sparsely hairy in leaf axils [villous to sericeous]. <b>Leaves</b> thin, apices callous-pointed, faces glabrous or glabrate; basal usually withering by flowering, long-petiolate, petioles sheathing, sparsely ciliate, blades lanceolate, 40–110 × (3–)5–7 mm, bases attenuate, margins entire to crenulate, rarely with 1–2 teeth, apices obtuse to rounded, callus-pointed; proximalmost cauline sometimes withering by flowering, winged-petiolate or sessile distally, blades lanceolate to linear-lanceolate, 50–120(–180) × 1–6 mm, bases attenuate, margins entire, sparsely ciliate, apices acute; distal sessile, blades subulate to lanceolate, 10–50 × 1–2 mm, bases clasping, apices acuminate. <b>Heads</b> (1–)3–20(–40), in paniculiform arrays, branches patent. <b>Peduncles</b> 1–4(–6) cm, ascending, glabrate, bracts 1–4(–5), subulate to lanceolate, foliaceous. <b>Involucres</b> cylindric to hemispheric, (4.5–)5–7.3 mm. <b>Phyllaries</b> in 2–3(–5) series, subulate to lanceolate, bases indurate, margins hyaline, entire to erose, often ciliate, green zones linear-lanceolate (outer) or rhombic (inner), apices acute, faces glabrous [sparsely villous]. <b>Ray</b> florets 14–27; corollas white, laminae (4.6–)5.6–7(–9.5)–10.3 × 1.3–2 mm. <b>Disc</b> florets 18–35(–42); corollas yellow, 3.5–5 mm, tubes shorter than funnelform throats (hairy), lobes± spreading, triangular, 0.5–0.7 mm. <b>Cypselae</b> light brown to gray, narrowly obovoid to fusiform, sometimes ± compressed, 2–3 mm, 5-nerved, faces glabrate to sparsely strigillose; pappi white to cream, 3.5–5.5 mm. <b>2n</b> = 10.</span><!--

-->{{Treatment/Body
|phenology=Flowering (Jun–)Jul–Sep.
|habitat=Moist, muddy, sandy, or rocky soils along streams
|elevation=1500–1900 m
|distribution=Ariz.;Mexico.
|discussion=<p>Of conservation concern.</p><!--
--><p><i>Symphyotrichum potosinum</i> is known from Cochise County, Arizona, south into Mexico to northern Oaxaca.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Symphyotrichum potosinum
|authority=(A. Gray) G. L. Nesom
|rank=species
|parent rank=subgenus
|synonyms=Aster lemmonii
|basionyms=Aster potosinus
|family=Asteraceae
|phenology=Flowering (Jun–)Jul–Sep.
|habitat=Moist, muddy, sandy, or rocky soils along streams
|elevation=1500–1900 m
|distribution=Ariz.;Mexico.
|reference=None
|publication title=Phytologia
|publication year=1995
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V20_1080.xml
|tribe=Asteraceae tribe Astereae
|genus=Symphyotrichum
|subgenus=Symphyotrichum subg. Astropolium
|species=Symphyotrichum potosinum
}}<!--

-->[[Category:Treatment]][[Category:Symphyotrichum subg. Astropolium]]