View source for Symphyotrichum pratense

{{Treatment/ID
|accepted_name=Symphyotrichum pratense
|accepted_authority=(Rafinesque) G. L. Nesom
|publications={{Treatment/Publication
|title=Phytologia
|place=77: 290. 1995
|year=1995
}}
|common_names=Barrens silky aster
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Aster pratensis
|authority=Rafinesque
|rank=species
|publication_title=Fl. Ludov.,
|publication_place=67. 1817 (as pratense)
}}
|synonyms={{Treatment/ID/Synonym
|name=Aster phyllolepis
|authority=Torrey & A. Gray
|rank=species
}} {{Treatment/ID/Synonym
|name=Aster sericeus var. microphyllus
|authority=de Candolle
|rank=variety
}} {{Treatment/ID/Synonym
|name=Symphyotrichum sericeum var. microphyllum
|authority=(de Candolle) Wunderlin and B. F. Hansen
|rank=variety
}} {{Treatment/ID/Synonym
|name=Virgulus pratensis
|authority=(Rafinesque) Reveal & Keener
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Symphyotrichum;Symphyotrichum subg. Virgulus;Symphyotrichum pratense
|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. Virgulus]]</div><div class="higher-taxon"><small>species</small>[[Symphyotrichum pratense]]</div></div>
|volume=Volume 20
|mention_page=page 473, 474, 483
|treatment_page=page 493
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 40–60 cm, cespitose, eglandular; with cormoid, woody caudices. <b>Stems</b> 5–10+, ascending to erect (brown), glabrous or sparsely strigose distally. <b>Leaves</b> (grayish green) firm, margins entire; basal withering by flowering, sessile, blades (1–3 nerved) elliptic-lanceolate, 20–40 × 10–20 mm, bases attenuate, margins usually entire, rarely remotely serrate, piloso-ciliate, apices acute to obtuse, faces piloso-scabrous; proximal cauline withering by flowering, sessile, blades oblanceolate, 20–30 × 5–13 mm, reduced distally, bases rounded, subclasping, margins entire, scrabrous, apices acute to obtuse, cuspidate-mucronate, faces glabrous or moderately strigose or ± scabrous; distal sessile, blades oblong-lanceolate, 15–25 × 4–6 mm, bases cuneate, margins entire, apices acute, white-spinulose, faces glabrate to moderately strigose or ± scabrous. <b>Heads</b> in open, paniculiform arrays (1–5+ per branch). <b>Peduncles</b> glabrous or sparsely strigose, bracts oblong-lanceolate, grading into phyllaries. <b>Involucres</b> narrowly campanulate, 6–11 mm. <b>Phyllaries</b> in 3–4 series, outer broadly lanceolate, flaring distally, inner linear-lanceolate, subequal, outer foliceous, bases (tan) ± indurate, margins long-piloso-ciliate, green zones foliaceous (outer), apices sometimes purplish, acute (outer) to acuminate (inner), faces glabrous or sparsely short-pilose. <b>Ray</b> florets 13–15(–36); corollas rose-purple, laminae 8–13 × 1–2 mm. <b>Disc</b> florets 16–34(–48); corollas pink turning purple, 4.5–7.5 mm, tubes shorter than narrowly funnelform throats (sometimes thinly puberulent), lobes triangular, 8–13 mm. <b>Cypselae</b> tan to light brown, obovoid, not compressed, ± 3 mm, 5–8-nerved, faces glabrous; pappi tan, 3.5–6 mm. <b>2n</b> = 10, 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering Oct–Nov.
|habitat=Prairies, oak woodlands, pine-oak scrub, fields, roadsides
|elevation=0–500 m
|distribution=Ala.;Ark.;Fla.;Ga.;Ky.;La.;Miss.;Tenn.;Tex.;Va.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Symphyotrichum pratense
|authority=(Rafinesque) G. L. Nesom
|rank=species
|parent rank=subgenus
|synonyms=Aster phyllolepis;Aster sericeus var. microphyllus;Symphyotrichum sericeum var. microphyllum;Virgulus pratensis
|basionyms=Aster pratensis
|family=Asteraceae
|phenology=Flowering Oct–Nov.
|habitat=Prairies, oak woodlands, pine-oak scrub, fields, roadsides
|elevation=0–500 m
|distribution=Ala.;Ark.;Fla.;Ga.;Ky.;La.;Miss.;Tenn.;Tex.;Va.
|reference=None
|publication title=Phytologia
|publication year=1995
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V20_1108.xml
|tribe=Asteraceae tribe Astereae
|genus=Symphyotrichum
|subgenus=Symphyotrichum subg. Virgulus
|species=Symphyotrichum pratense
}}<!--

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