View source for Silphium asteriscus var. trifoliatum

{{Treatment/ID
|accepted_name=Silphium asteriscus var. trifoliatum
|accepted_authority=(Linnaeus) J. A. Clevinger
|publications={{Treatment/Publication
|title=Novon
|place=14: 276. 2004
|year=2004
}}
|common_names=Whorled rosinweed
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Silphium trifoliatum
|authority=Linnaeus
|rank=species
|publication_title=Sp. Pl.
|publication_place=2: 920. 1753
}}
|synonyms={{Treatment/ID/Synonym
|name=Silphium atropurpureum
|authority=Retzius ex Willdenow
|rank=species
}} {{Treatment/ID/Synonym
|name=Silphium laevigatum
|authority=Pursh
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ecliptinae;Silphium;Silphium asteriscus;Silphium asteriscus var. trifoliatum
|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 asteriscus]]</div><div class="higher-taxon"><small>variety</small>[[Silphium asteriscus var. trifoliatum]]</div></div>
|volume=Volume 21
|mention_page=page 81
|treatment_page=page 82
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>75–140 cm. <b>Leaves</b>: basal persistent; cauline mostly whorled (in 3s); faces glabrous or sparsely hairy. <b>Paleae</b> puberulent. <b>Ray</b> florets 11–16. <b>Disc</b> florets 35–90. <b>2n</b> = 14.</span><!--

-->{{Treatment/Body
|phenology=Flowering mid summer–early fall.
|habitat=Prairies, meadows, roadsides, along railways
|elevation=100–900 m
|distribution=Ala.;Ga.;Ill.;Ind.;Ky.;Md.;N.Y.;N.C.;Ohio;Pa.;S.C.;Tenn.;Va.;W.Va.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Silphium asteriscus var. trifoliatum
|authority=(Linnaeus) J. A. Clevinger
|rank=variety
|parent rank=species
|synonyms=Silphium atropurpureum;Silphium laevigatum
|basionyms=Silphium trifoliatum
|family=Asteraceae
|phenology=Flowering mid summer–early fall.
|habitat=Prairies, meadows, roadsides, along railways
|elevation=100–900 m
|distribution=Ala.;Ga.;Ill.;Ind.;Ky.;Md.;N.Y.;N.C.;Ohio;Pa.;S.C.;Tenn.;Va.;W.Va.
|reference=None
|publication title=Novon
|publication year=2004
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_189.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae
|genus=Silphium
|species=Silphium asteriscus
|variety=Silphium asteriscus var. trifoliatum
}}<!--

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