View source for Silphium compositum

{{Treatment/ID
|accepted_name=Silphium compositum
|accepted_authority=Michaux
|publications={{Treatment/Publication
|title=Fl. Bor.-Amer.
|place=2: 145. 1803
|year=1803
}}
|common_names=Kidney-leaf rosinweed
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Silphium compositum subsp. ovatifolium
|authority=(Torrey & A. Gray) C. R. Sweeney & T. R. Fisher
}} {{Treatment/ID/Synonym
|name=Silphium compositum subsp. reniforme
|authority=(Rafinesque ex Nuttall) C. R. Sweeney & T. R. Fisher
}} {{Treatment/ID/Synonym
|name=Silphium compositum var. reniforme
|authority=(Rafinesque ex Nuttall) Torrey & A. Gray
}} {{Treatment/ID/Synonym
|name=Silphium compositum subsp. venosum
|authority=(Small) C. R. Sweeney & T. R. Fisher
}} {{Treatment/ID/Synonym
|name=Silphium compositum var. venosum
|authority=(Small) Kartesz & Gandhi
}} {{Treatment/ID/Synonym
|name=Silphium lapsuum
|authority=unknown
}} {{Treatment/ID/Synonym
|name=Silphium orae
|authority=unknown
}} {{Treatment/ID/Synonym
|name=Silphium ovatifolium
|authority=unknown
}} {{Treatment/ID/Synonym
|name=Silphium reniforme
|authority=unknown
}} {{Treatment/ID/Synonym
|name=Silphium venosum
|authority=unknown
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ecliptinae;Silphium;Silphium compositum
|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 compositum]]</div></div>
|volume=Volume 21
|mention_page=page 77
|treatment_page=page 79
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>scapiform, 50–250 cm; taprooted. <b>Stems</b> terete, glabrous (sometimes glaucous). <b>Leaves</b>: basal persistent, petiolate; cauline alternate, petiolate or sessile; blades cordate, deltate, elliptic, hastate, ovate, reniform, or sagittate, 2–35 × 0.5–52 cm, sometimes (proximal) pinnately or palmately lobed, bases oblique, truncate, attenuate, cordate, sagittate, or hastate, ultimate margins toothed, apices acute, faces glabrous, hispid, or scabrous. <b>Phyllaries</b> 11–18 in 2–3 series, outer appressed to reflexed, apices obtuse to cuspidate, abaxial faces sparsely scabrous. <b>Ray</b> florets 6–12; corollas yellow. <b>Disc</b> florets 20–85; corollas yellow. <b>Cypselae</b> 6–12 × 4–10 mm; pappi 1–4 mm. <b>2n</b> = 14.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer–early fall.
|habitat=Open, pine and oak forests, sandy soils, fields, roadsides, meadows
|elevation=0–1600 m
|distribution=Ala.;Fla.;Ga.;N.C.;S.C.;Tenn.;Va.;W.Va.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Silphium compositum
|author=
|authority=Michaux
|rank=species
|parent rank=genus
|synonyms=Silphium compositum subsp. ovatifolium;Silphium compositum subsp. reniforme;Silphium compositum var. reniforme;Silphium compositum subsp. venosum;Silphium compositum var. venosum;Silphium lapsuum;Silphium orae;Silphium ovatifolium;Silphium reniforme;Silphium venosum
|basionyms=
|family=Asteraceae
|phenology=Flowering summer–early fall.
|habitat=Open, pine and oak forests, sandy soils, fields, roadsides, meadows
|elevation=0–1600 m
|distribution=Ala.;Fla.;Ga.;N.C.;S.C.;Tenn.;Va.;W.Va.
|reference=None
|publication title=Fl. Bor.-Amer.
|publication year=1803
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_174.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae
|genus=Silphium
|species=Silphium compositum
}}<!--

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