View source for Solidago rigida

{{Treatment/ID
|accepted_name=Solidago rigida
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 880. 1753
|year=1753
}}
|common_names=Stiff-leaved goldenrod
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Aster rigidus
|authority=(Linnaeus) Kuntze
|rank=species
}} {{Treatment/ID/Synonym
|name=Oligoneuron rigidum
|authority=(Linnaeus) Small
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Solidago;Solidago sect. Ptarmicoidei;Solidago rigida
|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. Ptarmicoidei]]</div><div class="higher-taxon"><small>species</small>[[Solidago rigida]]</div></div>
|volume=Volume 20
|mention_page=page 162, 164, 165
|treatment_page=page 163
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>30–150 cm; caudices branching, woody. <b>Stems</b> 1–10+, erect, stout, hairy. <b>Leaves</b>: basal and proximal cauline usually present at flowering, abruptly narrowed to long petioles, blades ovate to rhombic, 80–200 × 24–50 mm, firm, flat, margins entire to crenate, sometimes undulate, apices obtuse to acute, faces densely hairy; mid to distal cauline sessile, blades ovate, 30–50 × 15–17 mm, stiff, greatly reduced distally, margins entire or finely serrate, sometimes undulate, apices acute to obtuse. <b>Heads</b> 9–190, in corymbiform arrays, compact or branches long and spreading, densely hairy throughout. <b>Peduncles</b> 3–15 mm, strigillose-canescent, bracteoles 1–3, linear-lanceolate. <b>Involucres</b> campanulate, 6–8 mm. <b>Phyllaries</b> in 3–4 series, unequal, oblong, conspicuously striate (3–5 pronounced nerves), obtuse. <b>Ray</b> florets 6–13; laminae 1.4–5.4 × 1.2–1.9 mm. <b>Disc</b> florets 14–35; corollas 4.3–6.1 mm, lobes 0.6–1.1 mm. <b>Cypselae</b> (obconic) 0.8–1.7 mm (ribbed), glabrous or strigillose apically; pappi 3–4 mm.</span><!--

-->{{Treatment/Body
|distribution=Alta.;Man.;Ont.;Sask.;Ala.;Ark.;Colo.;Conn.;Del.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Mass.;Md.;Mich.;Miss.;Mo.;Mont.;N.C.;N.Dak.;N.J.;N.Mex.;N.Y.;Nebr.;Ohio;Okla.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Va.;W.Va.;Wis.;Wyo.
|discussion=<p>Subspecies 3 (3 in the flora).</p><!--
--><p><i>Solidago rigida</i> is divided into three subspecies with distinct morphologies and partially overlapping ranges. Intermediates occur between the subspecies in areas of sympatry.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Outer phyllaries glabrous; leaves and stems glabrous or ± hispid
|[[Solidago rigida subsp. glabrata|Solidago rigida subsp. glabrata]]
|-id=key-0-1
|1
|Outer phyllaries strigillose; leaves and stems moderately to densely hispid or strigose
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Inner phyllaries glabrate to sparsely strigillose, oblong and rounded; plants robust (60–150 cm); arrays loose, open; leaves and stems coarsely hispid (fewer than 50 hairs/mm 2)
|[[Solidago rigida subsp. rigida|Solidago rigida subsp. rigida]]
|-id=key-0-2
|2
|Inner phyllaries conspicuously strigillose, often linear; plants usually short (30–70 cm), sometimes taller; arrays compact; leaves and stems finely and densely hispido-strigose (more than 50 hairs/mm 2)
|[[Solidago rigida subsp. humilis|Solidago rigida subsp. humilis]]
|}
</div></div><!--

-->{{#Taxon:
name=Solidago rigida
|authority=Linnaeus
|rank=species
|parent rank=section
|synonyms=Aster rigidus;Oligoneuron rigidum
|basionyms=
|family=Asteraceae
|distribution=Alta.;Man.;Ont.;Sask.;Ala.;Ark.;Colo.;Conn.;Del.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Mass.;Md.;Mich.;Miss.;Mo.;Mont.;N.C.;N.Dak.;N.J.;N.Mex.;N.Y.;Nebr.;Ohio;Okla.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Va.;W.Va.;Wis.;Wyo.
|reference=None
|publication title=Sp. Pl.
|publication year=1753
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_355.xml
|tribe=Asteraceae tribe Astereae
|genus=Solidago
|section=Solidago sect. Ptarmicoidei
|species=Solidago rigida
}}<!--

-->[[Category:Treatment]][[Category:Solidago sect. Ptarmicoidei]]