View source for Persicaria longiseta

{{Treatment/ID
|accepted_name=Persicaria longiseta
|accepted_authority=(Bruijn) Kitagawa
|publications={{Treatment/Publication
|title=Rep. Inst. Sci. Res. Manchoukuo
|place=1: 322. 1937
|year=1937
}}
|common_names=Bristly lady’s-thumb
|basionyms={{Treatment/ID/Basionym
|name=Polygonum longisetum
|authority=Bruijn
|publication_title=in F. A. W. Miquel, Pl. Jungh.
|publication_place=3: 307. 1854
}}
|synonyms={{Treatment/ID/Synonym
|name=Persicaria caespitosa var. longiseta
|authority=(Bruijn) C. F. Reed
}} {{Treatment/ID/Synonym
|name=Polygonum caespitosum var. longisetum
|authority=(Bruijn) Steward
}}
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Persicaria;Persicaria sect. Persicaria;Persicaria longiseta
|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. Persicaria]]</div><div class="higher-taxon"><small>species</small>[[Persicaria longiseta]]</div></div>
|volume=Volume 5
|mention_page=page 583
|treatment_page=page 592
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual, 3–8 dm; roots also often arising from proximal nodes; rhizomes and stolons absent. <b>Stems</b> decumbent to ascending, branched, without noticeable ribs, glabrous. <b>Leaves</b>: ocrea hyaline to brownish, cylindric, 5–12 mm, chartaceous, base sometimes inflated, margins truncate, ciliate with bristles 4–12 mm, surface glabrous or strigose, not glandular-punctate; petiole 0.1–0.3(–0.6) cm, glabrous, leaves sometimes sessile; blade without dark triangular or lunate blotch adaxially, ovate-lanceolate to linear-lanceolate, 2–8 × 1–3 cm, base tapering to cuneate, margins antrorsely strigose, apex acute to acuminate, faces glabrous or sparingly strigose along veins abaxially, glabrous or strigose along midvein and margins adaxially, not glandular-punctate. <b>Inflorescences</b> terminal, sometimes also axillary, erect, uninterrupted, 10–40(–80) × 3–7 mm; peduncle 10–50 mm, glabrous; ocreolae overlapping, margins ciliate with bristles (0.5–)1–4(–6) mm. <b>Pedicels</b> ascending, 1–2 mm. <b>Flowers</b> 1–5 per ocreate fascicle, homostylous; perianth pinkish green proximally, roseate distally, glabrous, not glandular-punctate, scarcely accrescent; tepals 5, connate ca. 1/3 their length, obovate, 2.2–2.8 mm, veins not prominent, not anchor-shaped, margins entire, apex obtuse to rounded; stamens 5, included; anthers yellow, elliptic to ovate; styles 3, connate proximally. <b>Achenes</b> included, dark brown to black, 3-gonous, 1.6–2.3 × 1.1–1.6 mm, shiny, smooth.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Oct.
|habitat=Floodplain forests and woodlands, shorelines of ponds, moist roadsides, waste places
|elevation=0-300 m
|distribution=B.C.;N.B.;Ont.;Ala.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Nebr.;N.J.;N.Y.;N.C.;Ohio;Pa.;S.C.;Tenn.;Tex.;Vt.;Va.;W.Va.;Wis.;e Asia;introduced also in Europe.
|discussion=<p><i>Persicaria longiseta</i> is morphologically similar to another Asian species, P. posumbu (Buchanan-Hamilton ex D. Don) H. Gross (= P. caespitosa). Its spread in the United States since its introduction near Philadelphia in 1910 was summarized by A. K. Paterson (2000).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Persicaria longiseta
|author=
|authority=(Bruijn) Kitagawa
|rank=species
|parent rank=section
|synonyms=Persicaria caespitosa var. longiseta;Polygonum caespitosum var. longisetum
|basionyms=Polygonum longisetum
|family=Polygonaceae
|phenology=Flowering May–Oct.
|habitat=Floodplain forests and woodlands, shorelines of ponds, moist roadsides, waste places
|elevation=0-300 m
|distribution=B.C.;N.B.;Ont.;Ala.;Conn.;Del.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Md.;Mass.;Mich.;Minn.;Miss.;Mo.;Nebr.;N.J.;N.Y.;N.C.;Ohio;Pa.;S.C.;Tenn.;Tex.;Vt.;Va.;W.Va.;Wis.;e Asia;introduced also in Europe.
|introduced=true
|reference=None
|publication title=Rep. Inst. Sci. Res. Manchoukuo
|publication year=1937
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V5/V5_1206.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Persicaria
|section=Persicaria sect. Persicaria
|species=Persicaria longiseta
}}<!--

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