View source for Packera schweinitziana

{{Treatment/ID
|accepted_name=Packera schweinitziana
|accepted_authority=(Nuttall) W. A. Weber & Á. Löve
|publications={{Treatment/Publication
|title=Phytologia
|place=49: 48. 1981
|year=1981
}}
|common_names=Schweinitz’s ragwort
|basionyms={{Treatment/ID/Synonym
|name=Senecio schweinitzianus
|authority=Nuttall
}}
|synonyms={{Treatment/ID/Synonym
|name=Senecio aureus var. lanceolatus
|authority=Oakes ex Torey & A. Gray
}}{{Treatment/ID/Synonym
|name=Senecio robbinsii
|authority=Oakes ex Rusby
}}
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Packera;Packera schweinitziana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Senecioneae]]</div><div class="higher-taxon"><small>genus</small>[[Packera]]</div><div class="higher-taxon"><small>species</small>[[Packera schweinitziana]]</div></div>
|volume=Volume 20
|mention_page=page 572, 579
|treatment_page=page 598
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 40–70+ cm, fibrous-rooted and/or rhizomatous (rhizomes weakly branched). <b>Stems</b> 1, glabrous or leaf axils sparsely tomentose. <b>Basal</b> leaves (and proximal cauline) petiolate; blades narrowly ovate to oblong-lanceolate, 30–70+ × 10–20+ mm, bases abruptly contracted to subcordate, margins usually serrate-dentate, sometimes subcrenate (apices acute). <b>Cauline</b> leaves gradually reduced (± sessile; lacerate to subcrenate). <b>Heads</b> 8–20+ in loose, corymbiform arrays. <b>Peduncles</b> bracteate, glabrous. <b>Calyculi</b> conspicuous. <b>Phyllaries</b> 13 or 21, light green (tips sometimes black), 5–8 mm, glabrous. <b>Ray</b> florets 8–13; corolla laminae 4–7 mm. <b>Disc</b> florets 50–70+; corolla tubes 3.5–4 mm, limbs 3–3.5 mm. <b>Cypselae</b> 1–1.5 mm, glabrous; pappi 5–5.5 mm. <b>2n</b> = 44.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jul.
|habitat=Sunny, wet areas, meadows, swamps, ditches, roadsides
|elevation=100–1800 m
|distribution=N.B.;N.S.;P.E.I.;Que.;Maine;N.H.;N.Y.;N.C.;Tenn.;Vt.
|discussion=<p>Packera schweinitziana is rarely mistaken for any other taxon. It grows on slightly acidic soils and may reproduce vegetatively by branched rhizomes. The group of populations on Roan Mountain on the Tennessee-North Carolina border is disjunct from the main distribution.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Packera schweinitziana
|author=
|authority=(Nuttall) W. A. Weber & Á. Löve
|rank=species
|parent rank=genus
|synonyms=Senecio aureus var. lanceolatus;Senecio robbinsii
|basionyms=Senecio schweinitzianus
|family=Asteraceae
|phenology=Flowering May–Jul.
|habitat=Sunny, wet areas, meadows, swamps, ditches, roadsides
|elevation=100–1800 m
|distribution=N.B.;N.S.;P.E.I.;Que.;Maine;N.H.;N.Y.;N.C.;Tenn.;Vt.
|reference=None
|publication title=Phytologia
|publication year=1981
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V20_1341.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Packera
|species=Packera schweinitziana
}}<!--

-->[[Category:Treatment]][[Category:Packera]]