View source for Calystegia sepium subsp. americana

{{Treatment/ID
|accepted_name=Calystegia sepium subsp. americana
|accepted_authority=(Sims) Brummitt
|publications={{Treatment/Publication
|title=Ann. Missouri Bot. Gard.
|place=52: 216. 1965
|year=1965
}}
|special_status={{Treatment/ID/Special_status
|code=W
|label=Weedy
}}
|basionyms={{Treatment/ID/Basionym
|name=Convolvulus sepium var. americanus
|authority=Sims
|rank=variety
|publication_title=Bot. Mag.
|publication_place=19: plate 732.  1804
}}
|synonyms={{Treatment/ID/Synonym
|name=C. americanus
|authority=(Sims) J. W. Loudon
|rank=species
}}
|hierarchy=Convolvulaceae;Calystegia;Calystegia sepium;Calystegia sepium subsp. americana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Convolvulaceae]]</div><div class="higher-taxon"><small>genus</small>[[Calystegia]]</div><div class="higher-taxon"><small>species</small>[[Calystegia sepium]]</div><div class="higher-taxon"><small>subspecies</small>[[Calystegia sepium subsp. americana]]</div></div>
|volume=Volume 14
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbage </b>usually pubescent to tomentose, sometimes glabrate or glabrous. <b>Leaf</b> blades ovate, basal lobes usually rounded or 1-pointed and not spreading, sometimes slightly spreading and 2-pointed, basal sinus acute. <b>Bracts</b> distinct from sepals, 16–25 × 10–20 mm, proximally flat or keeled, apex obtuse to rounded. <b>Flowers</b>: corolla pink, 45–70 mm; stamens 24–32 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Oct.
|habitat=Disturbed sites, grassy banks, rocky shores, salt marshes.
|distribution=St. Pierre and Miquelon;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Conn.;Del.;Ill.;Ind.;Maine;Md.;Mass.;Mich.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;Vt.;Va.;Wis.;South America (Argentina;Uruguay);s Africa (Cape Peninsula;extinct?);Atlantic Islands (Azores;Tristan da Cunha).
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Calystegia sepium subsp. americana
|authority=(Sims) Brummitt
|rank=subspecies
|parent rank=species
|synonyms=C. americanus
|basionyms=Convolvulus sepium var. americanus
|family=Convolvulaceae
|phenology=Flowering Jul–Oct.
|habitat=Disturbed sites, grassy banks, rocky shores, salt marshes.
|distribution=St. Pierre and Miquelon;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Conn.;Del.;Ill.;Ind.;Maine;Md.;Mass.;Mich.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;Vt.;Va.;Wis.;South America (Argentina;Uruguay);s Africa (Cape Peninsula;extinct?);Atlantic Islands (Azores;Tristan da Cunha).
|reference=None
|publication title=Ann. Missouri Bot. Gard.
|publication year=1965
|special status=Weedy
|source xml=
|genus=Calystegia
|species=Calystegia sepium
|subspecies=Calystegia sepium subsp. americana
}}<!--

-->[[Category:Treatment]][[Category:Calystegia sepium]]