View source for Triadenum virginicum

{{Treatment/ID
|accepted_name=Triadenum virginicum
|accepted_authority=(Linnaeus) Rafinesque
|publications={{Treatment/Publication
|title=Fl. Tellur.
|place=3: 79. 1837
|year=1837
}}
|common_names=Millepertuis de Virginie
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}
|basionyms={{Treatment/ID/Basionym
|name=Hypericum virginicum
|authority=Linnaeus
|rank=species
|publication_title=Syst. Nat. ed.
|publication_place=10, 2: 1184. 1759
}}
|synonyms={{Treatment/ID/Synonym
|name=Elodes campanulata
|authority=(Walter) Pursh
|rank=species
}} {{Treatment/ID/Synonym
|name=E. campanulata var. emarginata
|authority=(Lamarck) Pursh
|rank=variety
}} {{Treatment/ID/Synonym
|name=E. virginica
|authority=(Linnaeus) Farwell
|rank=species
}} {{Treatment/ID/Synonym
|name=Gardenia virginica
|authority=Walter
|rank=species
}} {{Treatment/ID/Synonym
|name=Hypericum campanulatum
|authority=Stokes
|rank=species
}} {{Treatment/ID/Synonym
|name=H. enneandrum
|authority=(Walter) Sprengel
|rank=species
}} {{Treatment/ID/Synonym
|name=Martia campanulata
|authority=
|rank=species
}}
|hierarchy=Hypericaceae;Triadenum;Triadenum virginicum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Hypericaceae]]</div><div class="higher-taxon"><small>genus</small>[[Triadenum]]</div><div class="higher-taxon"><small>species</small>[[Triadenum virginicum]]</div></div>
|volume=Volume 6
|mention_page=
|treatment_page=page 103
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs </b>erect, 2–7 dm, sometimes with ascending branches distally. <b>Stems</b>: internodes 4-lined or 4-angled at first, then terete. <b>Leaves</b> sessile, sometimes amplexicaul; blade usually ovate or triangular-ovate to elliptic or oblong, rarely oblanceolate, 20–65 × 10–22(–30) mm, base shallowly cordate, apex usually rounded, rarely obtuse to retuse, gland dots laminar (relatively dense, large) and intramarginal (relatively small). <b>Inflorescences</b> laxly cylindric to pyramidal, 3–15-flowered from terminal node, sometimes with subsidiary inflorescences from to 4 proximal nodes and flowering branches from to 6 further nodes. <b>Flowers</b> 10–15 mm diam.; sepals oblong to elliptic-oblong or oblong-lanceolate, 4–7(–8) × 1–2 mm, apex acute to acuminate; petals oblong-elliptic to oblanceolate, 6–9(–10) mm; stamen fascicles 4–6.5 mm; filaments 1/5 connate; styles 2–3.5 mm. <b>Capsules</b> cylindric to ellipsoid or ovoid-ellipsoid, (8–)9–10(–12) × 4–5 mm, apex acute. <b>Seeds</b> 0.5–1.2 mm. <b>2n</b> = 38.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer–fall (Jul–Oct).
|habitat=Swamps, marshy shores, poor fens
|elevation=0–500 m
|distribution=N.S.;Ont.;Ala.;Ark.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Ky.;La.;Maine;Md.;Mass.;Mich.;Miss.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Tex.;Vt.;Va.;W.Va.;Wis.
|discussion=<p><i>Triadenum virginicum</i> is the most widely distributed North American species of <i>Triadenum</i>. In the southwestern part of its range, the leaves are longer and narrower, approaching those of <i>T. tubulosum</i> and <i>T. walteri</i>; it is nearly always distinguishable from the northern <i>T. fraseri</i> by the sepals and styles (see key).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Triadenum virginicum
|authority=(Linnaeus) Rafinesque
|rank=species
|parent rank=genus
|synonyms=Elodes campanulata;E. campanulata var. emarginata;E. virginica;Gardenia virginica;Hypericum campanulatum;H. enneandrum;Martia campanulata
|basionyms=Hypericum virginicum
|family=Hypericaceae
|phenology=Flowering summer–fall (Jul–Oct).
|habitat=Swamps, marshy shores, poor fens
|elevation=0–500 m
|distribution=N.S.;Ont.;Ala.;Ark.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Ky.;La.;Maine;Md.;Mass.;Mich.;Miss.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Tex.;Vt.;Va.;W.Va.;Wis.
|reference=None
|publication title=Fl. Tellur.
|publication year=1837
|special status=Endemic;Illustrated
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V6/V6_182.xml
|genus=Triadenum
|species=Triadenum virginicum
}}<!--

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