View source for Persicaria sagittata

{{Treatment/ID
|accepted_name=Persicaria sagittata
|accepted_authority=(Linnaeus) H. Gross
|publications={{Treatment/Publication
|title=Beih. Bot. Centralbl.
|place=37(2): 113. 1919
|year=1919
}}
|common_names=Arrow-leaf tearthumb;arrow-vine;renouée sagittée
|basionyms={{Treatment/ID/Basionym
|name=Polygonum sagittatum
|authority=Linnaeus
|publication_title=Sp. Pl.
|publication_place=1: 363. 1753
}}
|synonyms={{Treatment/ID/Synonym
|name=Polygonum sagittatum var. gracilentum
|authority=Fernald
}} {{Treatment/ID/Synonym
|name=Tracaulon sagittatum
|authority=(Linnaeus) Soják
}} {{Treatment/ID/Synonym
|name=Truellum sagittatum
|authority=unknown
}}
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Persicaria;Persicaria sect. Echinocaulon;Persicaria sagittata
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polygonaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Polygonaceae subfam. Polygonoideae]]</div><div class="higher-taxon"><small>genus</small>[[Persicaria]]</div><div class="higher-taxon"><small>section</small>[[Persicaria sect. Echinocaulon]]</div><div class="higher-taxon"><small>species</small>[[Persicaria sagittata]]</div></div>
|volume=Volume 5
|mention_page=page 578
|treatment_page=page 577
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual, 3–20 dm; roots also often arising from proximal nodes. <b>Stems</b> scandent, ribbed, glabrous; prickles 1–1.5 mm. <b>Leaves</b>: ocrea brownish, cylindric, (3–)5–13 mm, chartaceous, base inflated or not, without prickles, margins oblique, glabrous or ciliate at tip with bristles 0.2–1 mm, surface glabrous; petiole 0.5–4 cm; blade broadly lanceolate to oblong, 2–8.5 × 1–3 cm, base sagittate to cordate, margins entire, ciliate or eciliate, apex obtuse to acute, faces glabrous or densely appressed-pubescent, usually with retrorse prickles along midvein abaxially. <b>Inflorescences</b> capitate or paniclelike, uninterrupted, 5–15 × 4–10 mm; peduncle 10–80 mm, usually glabrous, sometimes with retrorse prickles proximally; ocreolae overlapping, margins eciliate. <b>Pedicels</b> mostly ascending, 1–1.5 mm. <b>Flowers</b> 2–3 per ocreate fascicle; perianth white or greenish white, often tinged pink or red, sometimes entirely pink, glabrous, accrescent, not becoming blue and fleshy in fruit; tepals 5, connate 1/3–1/2 their length, broadly elliptic, 3–5 mm, apex obtuse; stamens 8, filaments distinct, free; anthers pink, ovate; styles 3, connate to middle. <b>Achenes</b> included or styles exserted, light or dark brown to black, 3-gonous, 2.5–4 × 1.8–2.5 mm, dull to shiny, smooth to minutely punctate. <b>2n</b> = 40.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Oct.
|habitat=Moist shaded sites, meadows, pastures, fens, swamps, shorelines of ponds and streams
|elevation=0-1000 m
|distribution=Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Ala.;Ark.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Vt.;Va.;W.Va.;Wis.;e Asia.
|discussion=<p><i>Persicaria sagittata</i> is an extremely variable species. Achene and leaf characters have been used by some authors to separate North American and Asian populations, but these characters show weak geographic variation (C. W. Park 1988).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Persicaria sagittata
|author=
|authority=(Linnaeus) H. Gross
|rank=species
|parent rank=section
|synonyms=Polygonum sagittatum var. gracilentum;Tracaulon sagittatum;Truellum sagittatum
|basionyms=Polygonum sagittatum
|family=Polygonaceae
|phenology=Flowering Jun–Oct.
|habitat=Moist shaded sites, meadows, pastures, fens, swamps, shorelines of ponds and streams
|elevation=0-1000 m
|distribution=Man.;N.B.;Nfld. and Labr. (Nfld.);N.S.;Ont.;P.E.I.;Que.;Ala.;Ark.;Colo.;Conn.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Nebr.;N.H.;N.J.;N.Y.;N.C.;N.Dak.;Ohio;Okla.;Pa.;R.I.;S.C.;S.Dak.;Tenn.;Tex.;Vt.;Va.;W.Va.;Wis.;e Asia.
|reference=None
|publication title=Beih. Bot. Centralbl.
|publication year=1919
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V5/V5_1181.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Persicaria
|section=Persicaria sect. Echinocaulon
|species=Persicaria sagittata
}}<!--

-->[[Category:Treatment]][[Category:Persicaria sect. Echinocaulon]]