View source for Senecio sylvaticus

{{Treatment/ID
|accepted_name=Senecio sylvaticus
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 868. 1753
|year=1753
}}
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Senecio;Senecio sylvaticus
|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 sylvaticus]]</div></div>
|volume=Volume 20
|mention_page=page 548
|treatment_page=page 563
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> (15–)30–80+ cm (taproots fibrous-rooted). <b>Herbage</b> puberulent (hairs abundant, curly). <b>Stems</b> single. <b>Leaves</b> evenly distributed; petiolate; blades obovate to oblong, 3–7(–12) × 1–3(–4) cm, usually 1–2-pinnate, bases tapered, ultimate margins dentate (distal leaves similar, clasping, bractlike). <b>Heads</b> 12–24 in corymbiform arrays. <b>Calyculi</b> 0 or of 1–5+ linear to filiform bractlets. <b>Phyllaries</b> ± 13 (± 21), 4–7+ mm, tips greenish or minutely black. <b>Ray</b> florets 0 or 1–8+; corolla laminae usually 1–2+ mm (barely surpassing phyllaries). <b>Cypselae</b> hairy (especially on angles). <b>2n</b> = 40.</span><!--

-->{{Treatment/Body
|phenology=Flowering late spring–summer (northern areas of cool, climate); winter (southern areas).
|habitat=Mildly disturbed woodlands, open, sandy sites
|elevation=100–300 m
|distribution=B.C.;N.B.;Nfld. and Labr. (Nfld.);N.S.;P.E.I.;Que.;Calif.;La.;Mass.;Mich.;N.J.;Ohio;Oreg.;Pa.;Wash.;Wis.;Eurasia.
|introduced=true
|discussion=<p><i>Senecio sylvaticus</i> is a Eurasian weed that favors cool, wet climates. It is well established in coastal areas of the Pacific Coast and in parts of Newfoundland and Quebec; elsewhere in the flora, it appears to be sporadic.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Senecio sylvaticus
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering late spring–summer (northern areas of cool, climate); winter (southern areas).
|habitat=Mildly disturbed woodlands, open, sandy sites
|elevation=100–300 m
|distribution=B.C.;N.B.;Nfld. and Labr. (Nfld.);N.S.;P.E.I.;Que.;Calif.;La.;Mass.;Mich.;N.J.;Ohio;Oreg.;Pa.;Wash.;Wis.;Eurasia.
|introduced=true
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Introduced
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V20_1255.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Senecio
|species=Senecio sylvaticus
}}<!--

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