View source for Senecio triangularis

{{Treatment/ID
|accepted_name=Senecio triangularis
|accepted_authority=Hooker
|publications={{Treatment/Publication
|title=Fl. Bor.-Amer.
|place=1: 332, plate 115. 1834
|year=1834
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Senecio gibbonsii
|authority=Greene
|rank=species
}} {{Treatment/ID/Synonym
|name=Senecio saliens
|authority=Rydberg
|rank=species
}} {{Treatment/ID/Synonym
|name=Senecio triangularis var. angustifolius
|authority=G. N. Jones
|rank=variety
}}
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Senecio;Senecio triangularis
|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 triangularis]]</div></div>
|volume=Volume 20
|mention_page=page 549
|treatment_page=page 566
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> (20–)50–120(–200) cm (caudices branched, ± woody). <b>Herbage</b> glabrous or sparsely floccose-tomentose when young. <b>Stems</b> single or loosely clustered. <b>Leaves</b> evenly distributed; petiolate; blades narrowly triangular, (3–)4–10+ × 2–6 cm, bases usually ± truncate, sometimes tapered, margins usually dentate, rarely subentire (distal leaves subsessile, smaller). <b>Heads</b> 10–30(–60) in corymbiform to subracemiform arrays. <b>Calyculi</b> of 2–6 bractlets (rarely more than 2 mm). <b>Phyllaries</b> (± 8) ± 13 (± 21), 6–10 mm, tips usually green, rarely black. <b>Ray</b> florets ± 8; corolla laminae 9–15 mm. <b>Cypselae</b> glabrous. <b>2n</b> = 40, 80.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer.
|habitat=Damp places, open woodlands, especially rocky stream banks in coniferous forests
|elevation=100–3300 m
|distribution=Alta.;B.C.;N.W.T.;Yukon;Alaska;PH;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Wash.;Wyo.
|discussion=<p>Plants of <i>Senecio triangularis</i> with narrow, subentire leaves that taper to the petioles are occasionally encountered in acid bogs in Oregon and Washington and less frequently elsewhere. They are regarded as edaphic variants; they have been recognized as <i></i>var.<i> angustifolius</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Senecio triangularis
|authority=Hooker
|rank=species
|parent rank=genus
|synonyms=Senecio gibbonsii;Senecio saliens;Senecio triangularis var. angustifolius
|basionyms=
|family=Asteraceae
|phenology=Flowering summer.
|habitat=Damp places, open woodlands, especially rocky stream banks in coniferous forests
|elevation=100–3300 m
|distribution=Alta.;B.C.;N.W.T.;Yukon;Alaska;PH;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Wash.;Wyo.
|reference=None
|publication title=Fl. Bor.-Amer.
|publication year=1834
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V20_1268.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Senecio
|species=Senecio triangularis
}}<!--

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