View source for Symphyotrichum tradescantii

{{Treatment/ID
|accepted_name=Symphyotrichum tradescantii
|accepted_authority=(Linnaeus) G. L. Nesom
|publications={{Treatment/Publication
|title=Phytologia
|place=77: 293. 1995
|year=1995
}}
|common_names=Tradescant’s or shore aster;aster de Tradescant
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Aster tradescantii
|authority=Linnaeus
|rank=species
|publication_title=Sp. Pl.
|publication_place=2: 876. 1753 (as tradescanti)
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Symphyotrichum;Symphyotrichum subg. Symphyotrichum;Symphyotrichum sect. Symphyotrichum;Symphyotrichum tradescantii
|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 tradescantii]]</div></div>
|volume=Volume 20
|mention_page=page 469, 501, 519
|treatment_page=page 516
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 5–70 cm, cespitose; short-rhizomatous. <b>Stems</b> 1–5+, ascending to erect (straight, slender, 1–2.5(–3) mm diam.), glabrous. <b>Leaves</b> thin, margins scabrous to scabrellous or eciliate, apices mucronulate, faces glabrous; basal persistent or withering by flowering, petiolate (petioles slightly winged, sheathing), blades spatulate to elliptic or oblanceolate, 10–40 × 5–11 mm, bases cuneate to attenuate, margins crenate-serrate, apices obtuse to acute; proximal cauline persistent or withering by flowering, ± broadly winged-petiolate or sessile, blades oblong, lanceolate or elliptic-lanceolate to oblanceolate, or linear-lanceolate, 20–100 × 3–9 mm, bases attenuate to cuneate, slightly clasping, margins serrulate or entire; distal sessile, blades oblanceolate to linear-lanceolate or linear, 10–60 × 1–7 mm, gradually reduced distally, bases cuneate to tapering, margins serrulate or entire, apices acute to acuminate. <b>Heads</b> {(10–)25–100} in paniculiform arrays, branches ascending (1–10 heads per branch). <b>Peduncles</b> ascending, 0.2–2.5+ cm, glabrous, bracts 1–4, subulate to linear. <b>Involucres</b> cylindro-campanulate, 3.3–4.5(–5) mm. <b>Phyllaries</b> in 4–5 series oblong-lancoelate (outer) to linear-lanceolate (inner) or linear (innermost), unequal, bases indurate 1/2+, margins scarious, erose, hyaline, ciliolate, green zones lanceolate, apices acute to acuminate or caudate, mucronulate or apiculate, sometimes purplish, faces glabous. <b>Ray</b> florets 14–27; corollas white, laminae 4.3–8.2 × 0.7–0.8 mm. <b>Disc</b> florets 20–30; corollas pale yellow becoming purplish, 3–4.1 mm, tubes shorter to nearly equaling funnelform throats, lobes lanceolate, 0.5–1 mm. <b>Cypselae</b> tan (nerves stramineous), obovoid, ± compressed, 3.5–4 mm, 4–5-nerved, faces strigillose; pappi white, 3–3.6 mm. <b>2n</b> = 16, 32.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Aug(–Sept).
|habitat=Damp, rocky and gravelly shores, silt- or loam-filled cracks in rocky rapids of streams or along freshwater estuaries
|elevation=0–200+ m
|distribution=N.B.;Nfld. and Labr. (Nfld.);N.S.;Que.;Maine;Mass.;N.H.;N.J.;N.Y.;R.I.;Vt.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Symphyotrichum tradescantii
|authority=(Linnaeus) G. L. Nesom
|rank=species
|parent rank=section
|synonyms=
|basionyms=Aster tradescantii
|family=Asteraceae
|phenology=Flowering Jul–Aug(–Sept).
|habitat=Damp, rocky and gravelly shores, silt- or loam-filled cracks in rocky rapids of streams or along freshwater estuaries
|elevation=0–200+ m
|distribution=N.B.;Nfld. and Labr. (Nfld.);N.S.;Que.;Maine;Mass.;N.H.;N.J.;N.Y.;R.I.;Vt.
|reference=None
|publication title=Phytologia
|publication year=1995
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_1150.xml
|tribe=Asteraceae tribe Astereae
|genus=Symphyotrichum
|subgenus=Symphyotrichum subg. Symphyotrichum
|section=Symphyotrichum sect. Symphyotrichum
|species=Symphyotrichum tradescantii
}}<!--

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