View source for Tephroseris palustris

{{Treatment/ID
|accepted_name=Tephroseris palustris
|accepted_authority=(Linnaeus) Reichenbach
|publications={{Treatment/Publication
|title=Fl. Saxon.,
|place=146. 1842
|year=1842
}}
|basionyms={{Treatment/ID/Synonym
|name=Othonna palustris
|authority=Linnaeus
}}
|synonyms={{Treatment/ID/Synonym
|name=Senecio arcticus
|authority=Ruprecht
}} {{Treatment/ID/Synonym
|name=Senecio congestus
|authority=(R. Brown) de Candolle
}} {{Treatment/ID/Synonym
|name=Senecio congestus var. laceratus
|authority=(Ledebour) Fernald
}} {{Treatment/ID/Synonym
|name=Senecio congestus var. palustris
|authority=(Linnaeus) Fernald
}} {{Treatment/ID/Synonym
|name=Senecio congestus var. tonsus
|authority=Fernald
}} {{Treatment/ID/Synonym
|name=Senecio tubicaulis
|authority=unknown
}} {{Treatment/ID/Synonym
|name=Tephroseris palustris subsp. congesta
|authority=(R. Brown) Holub
}}
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Tephroseris;Tephroseris palustris
|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>[[Tephroseris]]</div><div class="higher-taxon"><small>species</small>[[Tephroseris palustris]]</div></div>
|volume=Volume 20
|mention_page=page 548, 615
|treatment_page=page 616
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals </b>or biennials (perhaps rarely perennials), 20–100 cm (loosely arachnose or villous, hairs white, light yellowish, or reddish brown, indument fugitive in some populations; caudices fibrous-rooted). <b>Stems</b> single. <b>Leaves</b> basal and cauline (basal and proximal sometimes withering before flowering, mid-stem leaves prominent at flowering); petioles weakly defined; blades oblanceolate to linear-oblanceolate or spatulate, 5–15 × 0.5–3(–5) cm, margins subentire to coarsely dentate or subpinnatifid (distal leaves bractlike). <b>Heads</b> (4–)6–20(–40+), in loose to crowded, corymbiform arrays. <b>Involucres</b> ± abruptly contracted to peduncles. <b>Phyllaries</b> usually 21, green or yellowish green (tips sometimes pinkish), 4–10 mm. <b>Ray</b> florets (13–)21+; corolla laminae 5–9+ mm (sometimes incompletely opened, appearing tubular). <b>Disc</b> florets 30–50; corollas yellow. <b>Cypselae</b> glabrous; pappi white or dirty white. <b>2n</b> = 48.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Sep.
|habitat=Wet soils, shorelines, pond margins, brackish habitats
|elevation=0–1000 m
|distribution=Alta.;B.C.;Man.;Nfld. and Labr. (Labr.);N.W.T.;Nunavut;Ont.;Que.;Sask.;Yukon;Alaska;Iowa;Mich.;Minn.;N.Dak.;S.Dak.;Wis.;Eurasia.
|discussion=<p><i>Tephroseris palustris</i> varies greatly in stature and in distribution and persistence of tomentum. The variations have been used to distinguish infraspecific taxa or two species; contemporary thought is that the complex is best treated as a single, polymorphic species.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Tephroseris palustris
|author=
|authority=(Linnaeus) Reichenbach
|rank=species
|parent rank=genus
|synonyms=Senecio arcticus;Senecio congestus;Senecio congestus var. laceratus;Senecio congestus var. palustris;Senecio congestus var. tonsus;Senecio tubicaulis;Tephroseris palustris subsp. congesta
|basionyms=Othonna palustris
|family=Asteraceae
|phenology=Flowering May–Sep.
|habitat=Wet soils, shorelines, pond margins, brackish habitats
|elevation=0–1000 m
|distribution=Alta.;B.C.;Man.;Nfld. and Labr. (Labr.);N.W.T.;Nunavut;Ont.;Que.;Sask.;Yukon;Alaska;Iowa;Mich.;Minn.;N.Dak.;S.Dak.;Wis.;Eurasia.
|reference=None
|publication title=Fl. Saxon.,
|publication year=1842
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V20_1381.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Tephroseris
|species=Tephroseris palustris
}}<!--

-->[[Category:Treatment]][[Category:Tephroseris]]