View source for Inula helenium

{{Treatment/ID
|accepted_name=Inula helenium
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 881. 1753
|year=1753
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Inuleae;Inula;Inula helenium
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Inuleae]]</div><div class="higher-taxon"><small>genus</small>[[Inula]]</div><div class="higher-taxon"><small>species</small>[[Inula helenium]]</div></div>
|volume=Volume 19
|mention_page=
|treatment_page=page 474
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>50–100(–200) cm. <b>Leaves</b>: basal blades ± elliptic, mostly 15–40 cm × 100–200+ mm (bases decurrent onto strongly ribbed petioles, margins callose-denticulate, otherwise entire, abaxial faces velvety-woolly, adaxial thinly hairy); cauline blades ovate or elliptic to lanceolate, 10–30 cm × 45–120 mm, bases cordate, clasping, margins serrate. <b>Involucres</b> (20–)30–40 mm diam. <b>Outer</b> phyllaries ovate, oblong, or ± deltate to lanceolate, 12–20(–25+) × 6–8(–20+) mm (abaxially velvety-hairy); inner phyllaries progressively narrower, less hairy, more scarious. <b>Ray</b> florets (15–)50–100+; corolla laminae (10–)20–30+ mm. <b>Disc</b> corollas 9–11 mm. <b>Cypselae</b> 3–4 mm, glabrous; pappi of (40–)50–60 basally connate, barbellate bristles or setiform scales 6–10 mm. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering mid–late summer.
|habitat=Roadsides, waste places, streamsides
|elevation=0–300(–600+) m
|distribution=B.C.;Man.;N.B.;N.S.;Ont.;P.E.I.;Que.;Calif.;Conn.;Del.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Oreg.;Pa.;R.I.;Tenn.;Utah;Vt.;Va.;Wash.;Wis.;Europe;introduced;Asia and beyond.
|discussion=<p>Inula helenium is widespread in the Old World.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Inula helenium
|author=
|authority=Linnaeus
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering mid–late summer.
|habitat=Roadsides, waste places, streamsides
|elevation=0–300(–600+) m
|distribution=B.C.;Man.;N.B.;N.S.;Ont.;P.E.I.;Que.;Calif.;Conn.;Del.;Ill.;Ind.;Iowa;Ky.;Maine;Md.;Mass.;Mich.;Minn.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Oreg.;Pa.;R.I.;Tenn.;Utah;Vt.;Va.;Wash.;Wis.;Europe;introduced;Asia and beyond.
|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/V19_794.xml
|tribe=Asteraceae tribe Inuleae
|genus=Inula
|species=Inula helenium
}}<!--

-->[[Category:Treatment]][[Category:Inula]]