View source for Senecio viscosus

{{Treatment/ID
|accepted_name=Senecio viscosus
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 868. 1753
|year=1753
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Senecio;Senecio viscosus
|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>[[Senecio]]</div><div class="higher-taxon"><small>species</small>[[Senecio viscosus]]</div></div>
|volume=Volume 20
|mention_page=page 546, 548
|treatment_page=page 562
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> (10–)20–40(–60) cm (taprooted). <b>Herbage</b> densely fetid-viscid (hairs glandular). <b>Stems</b> single. <b>Leaves</b> evenly distributed; petiolate; blades obovate to oblong (pinnately dissected to pinnatifid), 2–7 × 1.5–4 cm, bases tapered or ± truncate, ultimate margins wavy or crenate-dentate (distal leaves sessile, smaller, ± clasping). <b>Heads</b> (1–)3–8(–30) in irregular, corymbiform arrays. <b>Calyculi</b> of 2–5 bractlets (largest to 4 mm). <b>Phyllaries</b> (± 13) ± 21, 5–7 mm, tips black. <b>Ray</b> florets ± 13; corolla laminae 1–2 mm (usually coiled, scarcely surpassing phyllaries). <b>Cypselae</b> usually glabrous, sometimes hairy. <b>2n</b> = 40.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring–fall.
|habitat=Disturbed sites, especially open sandy or gravelly places
|elevation=1–300 m
|distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Sask.;Conn.;Ill.;Maine;Mass.;Minn.;N.H.;N.J.;N.Y.;Pa.;R.I.;Wis.;Eurasia.
|discussion=<p>Senecio viscosus is a smelly, Eurasian weed now widely scattered in areas of cool damp climates, often as a casual waif. The viscid hairs trap wind-blown particles of sand, dust, and soot, which give the surfaces varying textures and colors.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Senecio viscosus
|author=
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering spring–fall.
|habitat=Disturbed sites, especially open sandy or gravelly places
|elevation=1–300 m
|distribution=St. Pierre and Miquelon;Alta.;B.C.;Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Sask.;Conn.;Ill.;Maine;Mass.;Minn.;N.H.;N.J.;N.Y.;Pa.;R.I.;Wis.;Eurasia.
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V19-20-21/V20_1252.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Senecio
|species=Senecio viscosus
}}<!--

-->[[Category:Treatment]][[Category:Senecio]]