View source for Solidago altissima

{{Treatment/ID
|accepted_name=Solidago altissima
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 878. 1753
|year=1753
}}
|common_names=Late goldenrod;verge d’or haute
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Solidago;Solidago sect. Solidago;Solidago subsect. Triplinerviae;Solidago altissima
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Astereae]]</div><div class="higher-taxon"><small>genus</small>[[Solidago]]</div><div class="higher-taxon"><small>section</small>[[Solidago sect. Solidago]]</div><div class="higher-taxon"><small>subsection</small>[[Solidago subsect. Triplinerviae]]</div><div class="higher-taxon"><small>species</small>[[Solidago altissima]]</div></div>
|volume=Volume 20
|mention_page=page 151, 152, 156, 157
|treatment_page=page 153
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>50–200 cm; rhizomes short- to long-creeping. <b>Stems</b> 1–40+, usually short-hairy throughout, sometimes proximally glabrescent. <b>Leaves</b>: basal 0; proximal cauline usually withering by flowering; sessile or subpetiolate, tapering to bases; blades oblanceolate, 95–150 × 16–20 mm, relatively thick and firm, entire to serrate along distal 1/2, strongly 3-nerved, apices acute to acuminate, abaxial faces finely strigose, more so along nerves, adaxial ± scabrous; mid to distal cauline blades oblanceolate (proximally) to lanceolate (distally), mid (30–)45–100(–170) × (5–)7–16(–25) mm, much reduced distally [(15–)25–55 × (3–)4.5–10(–17) mm], margins finely serrate (teeth 0–6(–14) per side on mid), distally usually becoming entire or remotely serrulate, adaxial faces ± scabrous, abaxial moderately strigillose, densely villoso-strigillose along nerves, distal sometimes minutely stipitate-glandular. <b>Heads</b> (15–)100–1200+, secund, in secund, pyramidal, paniculiform arrays, branches divergent and recurved, sometimes ascending-divergent, sometimes merely club-shaped thyrsiform in small plants, 5–30 × 2–25 cm (often 1.5–2 times as long as wide in southern plants). <b>Peduncles</b> 1–3.5 mm, moderately densely short hispiduloso-strigillose, sometimes minutely stipitate-glandular; bracteoles linear, sometimes minutely stipitate-glandular. <b>Involucres</b> narrowly campanulate, 2.5–4.5 mm. <b>Phyllaries</b> in ca. 3 series, strongly unequal; outer lanceolate, acute, inner linear-lanceolate, margins rarely minutely stipitate-glandular, apices acute to obtuse. <b>Ray</b> florets (5–)8–13(–17); laminae 0.7–1.5(–2) × 0.1–0.4(–0.5) mm. <b>Disc</b> florets (2–)3–6(–9); corollas usually 2.3–3.6 mm, lobes 0.5–0.9(–1.2) mm. <b>Cypselae</b> (narrowly obconic) 0.5–1.5 mm, sparsely to moderately strigillose; pappi 2.5–3.5 mm.</span><!--

-->{{Treatment/Body
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;Ont.;P.E.I.;Que.;Sask.;Ala.;Ariz.;Ark.;Calif.;Colo.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;Mont.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Ohio;Okla.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Va.;Vt.;W.Va.;Wyo.;Mexico;introduced worldwide.
|discussion=<p>Subspecies 2 (2 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Involucres usually 3–4 mm; Arizona, California, and Utah, edge of Great plains eastward through e United States, northward in Canada to Nova Scotia and w to Saskatchewan, n of prairies
|[[Solidago altissima subsp. altissima|Solidago altissima subsp. altissima]]
|-id=key-0-1
|1
|Involucres usually 2–3 mm; Great plains e toIllinois
|[[Solidago altissima subsp. gilvocanescens|Solidago altissima subsp. gilvocanescens]]
|}
</div></div><!--

-->{{#Taxon:
name=Solidago altissima
|authority=Linnaeus
|rank=species
|parent rank=subsection
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=Alta.;B.C.;Man.;N.B.;N.S.;Ont.;P.E.I.;Que.;Sask.;Ala.;Ariz.;Ark.;Calif.;Colo.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Minn.;Miss.;Mo.;Mont.;N.Dak.;N.H.;N.J.;N.Mex.;N.Y.;Nebr.;Ohio;Okla.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Utah;Va.;Vt.;W.Va.;Wyo.;Mexico;introduced worldwide.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_328.xml
|tribe=Asteraceae tribe Astereae
|genus=Solidago
|section=Solidago sect. Solidago
|subsection=Solidago subsect. Triplinerviae
|species=Solidago altissima
}}<!--

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[[Category:Treatment]]
[[Category:Solidago subsect. Triplinerviae]]
[[Category:Revised Since Print]]