View source for Senecio hydrophilus

{{Treatment/ID
|accepted_name=Senecio hydrophilus
|accepted_authority=Nuttall
|publications={{Treatment/Publication
|title=Trans. Amer. Philos. Soc., n. s.
|place=7: 411. 1841
|year=1841
}}
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Senecio hydrophilus var. pacificus
|authority=Greene
|rank=variety
}}
|hierarchy=Asteraceae;Asteraceae tribe Senecioneae;Senecio;Senecio hydrophilus
|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 hydrophilus]]</div></div>
|volume=Volume 20
|mention_page=page 547
|treatment_page=page 557
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials </b>(biennials?), 40–100(–200) cm (caudices foreshortened, roots fleshy-fibrous). <b>Herbage</b> (often sea-green, usually glaucous) glabrous. <b>Stems</b> single or 2–4 loosely clustered. <b>Leaves</b> progressively reduced distally; ± petiolate; blades elliptic to oblanceolate, 5–20+ × (1–)2–10 cm, bases tapered, margins denticulate or entire (mid and distal leaves sessile, bractlike). <b>Heads</b> 20–40(–80+) in compound corymbiform arrays. <b>Calyculi</b> of 2–4+ bractlets (less than 2 mm). <b>Phyllaries</b> ± 8 or ± 13, 5–8 mm, tips frequently black. <b>Ray</b> florets (0) ca. 5; corolla laminae 3–5 mm. <b>Cypselae</b> glabrous. <b>2n</b> = 40.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring–early summer.
|habitat=Marshes, swampy places, standing water, alkaline sites
|elevation=(0–)200–2500 m
|distribution=B.C.;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;S.Dak.;Utah;Wash.;Wyo.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Senecio hydrophilus
|authority=Nuttall
|rank=species
|parent rank=genus
|synonyms=Senecio hydrophilus var. pacificus
|basionyms=
|family=Asteraceae
|phenology=Flowering spring–early summer.
|habitat=Marshes, swampy places, standing water, alkaline sites
|elevation=(0–)200–2500 m
|distribution=B.C.;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;S.Dak.;Utah;Wash.;Wyo.
|reference=None
|publication title=Trans. Amer. Philos. Soc., n. s.
|publication year=1841
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V20_1236.xml
|tribe=Asteraceae tribe Senecioneae
|genus=Senecio
|species=Senecio hydrophilus
}}<!--

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