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/Basionym
|name=Senecio schweinitzianus
|authority=Nuttall
|rank=species
|publication_title=Trans. Amer. Philos. Soc., n. s.
|publication_place=7: 413. 1841
}}
|synonyms={{Treatment/ID/Synonym
|name=Senecio aureus var. lanceolatus
|authority=Oakes ex Torey & A. Gray
|rank=variety
}} {{Treatment/ID/Synonym
|name=Senecio robbinsii
|authority=Oakes ex Rusby
|rank=species
}}
|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><i>Packera schweinitziana</i> 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=
}}<!--

--><!--

-->{{#Taxon:
name=Packera schweinitziana
|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/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_1341.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Packera
|species=Packera schweinitziana
}}<!--

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