View source for Lactuca ludoviciana

{{Treatment/ID
|accepted_name=Lactuca ludoviciana
|accepted_authority=(Nuttall) Riddell
|publications={{Treatment/Publication
|title=W. J. Med. Phys. Sci.
|place=8: 491. 1835
|year=1835
}}
|basionyms={{Treatment/ID/Basionym
|name=Sonchus ludovicianus
|authority=Nuttall
|rank=species
|publication_title=Gen. N. Amer. Pl.
|publication_place=2: 125. 1818
}}
|synonyms={{Treatment/ID/Synonym
|name=Lactuca campestris
|authority=Greene
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Cichorieae;Lactuca;Lactuca ludoviciana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Cichorieae]]</div><div class="higher-taxon"><small>genus</small>[[Lactuca]]</div><div class="higher-taxon"><small>species</small>[[Lactuca ludoviciana]]</div></div>
|volume=Volume 19
|mention_page=page 260
|treatment_page=page 262
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Biennials,</b> 15–150 cm. <b>Leaves</b> on proximal 1/2–3/4 of each stem; blades of undivided cauline leaves obovate or oblanceolate to spatulate, margins denticulate (piloso-ciliate), midribs usually piloso-setose. <b>Heads</b> in paniculiform arrays. <b>Involucres</b> 12–15+ mm. <b>Phyllaries</b> usually reflexed in fruit. <b>Florets</b> 20–50+; corollas usually yellow, sometimes bluish, usually deliquescent. <b>Cypselae</b>: bodies brown to blackish (usually mottled), ± flattened, elliptic, 4.5–5+ mm, beaks ± filiform, 2.5–4.5 mm, faces 1(–3)-nerved; pappi white, 5–7(–11) mm. <b>2n</b> = 34.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Sep.
|habitat=Openings in woods, stream banks, prairies
|elevation=100–1400 m
|distribution=B.C.;Man.;Sask.;Ariz.;Ark.;Calif.;Colo.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Minn.;Mont.;Nebr.;N.Mex.;N.Dak.;Okla.;Oreg.;S.Dak.;Tex.;Utah;Wash.;Wis.;Wyo.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Lactuca ludoviciana
|authority=(Nuttall) Riddell
|rank=species
|parent rank=genus
|synonyms=Lactuca campestris
|basionyms=Sonchus ludovicianus
|family=Asteraceae
|phenology=Flowering Jun–Sep.
|habitat=Openings in woods, stream banks, prairies
|elevation=100–1400 m
|distribution=B.C.;Man.;Sask.;Ariz.;Ark.;Calif.;Colo.;Idaho;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Minn.;Mont.;Nebr.;N.Mex.;N.Dak.;Okla.;Oreg.;S.Dak.;Tex.;Utah;Wash.;Wis.;Wyo.
|reference=None
|publication title=W. J. Med. Phys. Sci.
|publication year=1835
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V19_353.xml
|tribe=Asteraceae tribe Cichorieae
|genus=Lactuca
|species=Lactuca ludoviciana
}}<!--

-->[[Category:Treatment]][[Category:Lactuca]]