View source for Silphium integrifolium

{{Treatment/ID
|accepted_name=Silphium integrifolium
|accepted_authority=Michaux
|publications={{Treatment/Publication
|title=Fl. Bor.-Amer.
|place=2: 146. 1803
|year=1803
}}
|common_names=Wholeleaf rosinweed
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ecliptinae;Silphium;Silphium integrifolium
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Ecliptinae]]</div><div class="higher-taxon"><small>genus</small>[[Silphium]]</div><div class="higher-taxon"><small>species</small>[[Silphium integrifolium]]</div></div>
|volume=Volume 21
|mention_page=page 77, 78, 81
|treatment_page=page 80
}}<!--

--><span class="statement" id="st-d0_s0" data-properties=""><b>Plants </b>caulescent, 40–200 cm;</span> <span class="statement" id="st-d0_s1" data-properties="whole_organism architecture;whole_organism some measurement;whole_organism architecture;whole_organism growth form">fibrous-rooted.</span> <span class="statement" id="st-d0_s2" data-properties="stem shape;stem pubescence;stem pubescence"><b>Stems </b>terete to slightly square, sparsely scabrous or glabrous (sometimes glaucous).</span> <span class="statement" id="st-d0_s3" data-properties="basal leaf duration"><b>Leaves:</b> basal caducous;</span> <span class="statement" id="st-d0_s4" data-properties="cauline leaf arrangement;cauline leaf architecture">cauline opposite, sessile;</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;blade length;blade width;base shape;margin architecture or shape;margin architecture or shape;apex shape;face pubescence;face pubescence;face pubescence;face pubescence;face pubescence">blades lanceolate to ovate, 2–23 × 0.1–11 cm, bases round to caudate, margins finely serrate or entire, apices acute to acuminate, faces hispid, scabrous, or glabrous.</span> <span class="statement" id="st-d0_s6" data-properties="phyllary quantity;series quantity;outer phyllary fixation or orientation;apex shape;abaxial face pubescence;abaxial face pubescence;abaxial face pubescence;abaxial face pubescence;abaxial face pubescence;abaxial face pubescence;abaxial face pubescence"><b>Phyllaries </b>17–37 in 2–3 series, outer appressed, apices acute to acuminate, abaxial faces glabrous, hispid, pilose, or scabrous, sometimes stipitate-glandular.</span> <span class="statement" id="st-d0_s7" data-properties="ray-floret quantity"><b>Ray-</b>florets 12–36;</span> <span class="statement" id="st-d0_s8" data-properties="corolla coloration">corollas yellow.</span> <span class="statement" id="st-d0_s9" data-properties="disc-floret quantity"><b>Disc-</b>florets 70–225;</span> <span class="statement" id="st-d0_s10" data-properties="corolla coloration">corollas yellow.</span> <span class="statement" id="st-d0_s11" data-properties="cypsela length;cypsela width"><b>Cypselae </b>9–14 × 6–10 mm;</span> <span class="statement" id="st-d0_s12" data-properties="pappus some measurement">pappi 1–4 mm.</span><!--

-->{{Treatment/Body
|distribution=Ont.;Ala.;Ark.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Mich.;Miss.;Mo.;N.Mex.;Nebr.;Okla.;S.Dak.;Tenn.;Tex.;Wis.;Wyo.
|discussion=<p>Varieties 2 (2 in flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Phyllaries: abaxial faces usually hispid, pilose, or scabrous, rarely glabrous; ray florets 12–22
|[[Silphium integrifolium var. integrifolium|Silphium integrifolium var. integrifolium]]
|-id=key-0-1
|1
|Phyllaries: abaxial faces glabrous; ray florets 20–36+
|[[Silphium integrifolium var. laeve|Silphium integrifolium var. laeve]]
|}
</div></div><!--

-->{{#Taxon:
name=Silphium integrifolium
|authority=Michaux
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=Ont.;Ala.;Ark.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Mich.;Miss.;Mo.;N.Mex.;Nebr.;Okla.;S.Dak.;Tenn.;Tex.;Wis.;Wyo.
|reference=None
|publication title=Fl. Bor.-Amer.
|publication year=1803
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21_179.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae
|genus=Silphium
|species=Silphium integrifolium
|abaxial face pubescence=stipitate-glandular;scabrous;pilose;scabrous;pilose;hispid;glabrous
|apex shape=acute;acuminate
|basal leaf duration=caducous
|base shape=round;caudate
|blade length=2cm;23cm
|blade shape=lanceolate;ovate
|blade width=0.1cm;11cm
|cauline leaf architecture=sessile
|cauline leaf arrangement=opposite
|corolla coloration=yellow;yellow
|cypsela length=9mm;14mm
|cypsela width=6mm;10mm
|disc-floret quantity=70;225
|face pubescence=glabrous;scabrous;glabrous;scabrous;hispid
|margin architecture or shape=entire;serrate
|outer phyllary fixation or orientation=appressed
|pappus some measurement=1mm;4mm
|phyllary quantity=17;37
|ray-floret quantity=12;36
|series quantity=2;3
|stem pubescence=glabrous;scabrous
|stem shape=terete;slightly square
|whole_organism architecture=fibrous-rooted;caulescent
|whole_organism growth form=plant
|whole_organism some measurement=40cm;200cm
}}<!--

-->[[Category:Treatment]][[Category:Silphium]]