View source for Persicaria setacea

{{Treatment/ID
|accepted_name=Persicaria setacea
|accepted_authority=(Baldwin) Small
|publications={{Treatment/Publication
|title=Fl. S.E. U.S.,
|place=379. 1903
|year=1903
}}
|common_names=Bog smartweed
|basionyms={{Treatment/ID/Basionym
|name=Polygonum setaceum
|authority=Baldwin
|rank=species
|publication_title=in S. Elliott, Sketch Bot. S. Carolina
|publication_place=1: 455. 1817
}}
|synonyms={{Treatment/ID/Synonym
|name=Polygonum hydropiperoides var. setaceum
|authority=(Baldwin) Gleason
|rank=variety
}} {{Treatment/ID/Synonym
|name=Polygonum setaceum var. interjectum
|authority=Fernald
|rank=variety
}} {{Treatment/ID/Synonym
|name=Polygonum setaceum var. tonsum
|authority=Fernald
|rank=variety
}}
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Persicaria;Persicaria sect. Persicaria;Persicaria setacea
|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 setacea]]</div></div>
|volume=Volume 5
|mention_page=page 583, 587
|treatment_page=page 588
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, 5–15 dm; roots also often arising from proximal nodes; rhizomes present, stolons sometimes produced on plants in water. <b>Stems</b> ascending or erect, branched distally, slightly ribbed, glabrous or loosely appressed- to spreading-hirsute near nodes. <b>Leaves</b>: ocrea brown, cylindric, 10–20 mm, chartaceous, base usually inflated, margins truncate, ciliate with bristles 6–12 mm, surface strigose and with loosely ascending to spreading hairs at least proximally, not glandular-punctate; petiole 0.1–0.5 cm, spreading-hirsute, leaves sometimes sessile; blade without dark triangular or lunate blotch adaxially, lanceolate, (3–)6–15(–18) × (1.5–)2–3.2(–4.8) cm, base tapered to truncate, margins appressed-ciliate, apex acute to acuminate, faces sparsely hirsute to loosely appressed hirsute abaxially and adaxially. <b>Inflorescences</b> mostly terminal, erect, uninterrupted, 20–80 × 4–8 mm; peduncle 10–70 mm, strigose; ocreolae overlapping, margins ciliate with bristles (0.6–)1–3(–5) mm. <b>Pedicels</b> ascending, 1–3 mm. <b>Flowers</b> (1–)2–4(–5) per ocreate fascicle, homostylous; perianth greenish proximally, creamy or tan distally, occasionally tinged pink, glabrous, not glandular-punctate, nonaccrescent; tepals 5, connate ca. 1/3 their length, obovate, 2–3 mm, veins not prominent, not anchor-shaped, margins entire, apex obtuse to rounded; stamens 5, included; anthers pink or red, elliptic; styles 3, connate proximally. <b>Achenes</b> included or apex exserted, brown to black, 3-gonous, (1.5–)2–2.5 × 1.2–1.7 mm, shiny, smooth. <b>2n</b> = 20.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Oct.
|habitat=Alluvial woods, swamp forests
|elevation=0-300 m
|distribution=Ala.;Ark.;Del.;Fla.;Ga.;Ill.;Ind.;Ky.;La.;Md.;Mass.;Mich.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;R.I.;S.C.;Tenn.;Tex.;Va.;Wash.
|discussion=<p>C. B. McDonald (1980) showed that <i>Persicaria setacea</i> is closely related to <i>P. hirsuta</i> and <i>P. hydropiperoides</i>. Hybrids between <i>P. setacea</i> and <i>P. hirsuta</i> have been produced experimentally but appear to be rare in the wild. <i>Persicaria setacea</i> and <i>P. hydropiperoides</i> occasionally occur in mixed populations but do not hybridize (McDonald). <i>Persicaria setacea</i> sometimes intergrades morphologically with <i>P. hydropiperoides</i>, especially in New England. Specimens of <i>P. setacea</i> without the characteristic ascending or spreading hairs on the ocreae usually can be distinguished from <i>P. hydropiperoides</i> by the extent of adnation of the hairs to the ocreae—up to one-third their lengths in <i>P. setacea</i>, but one-third to two-thirds their lengths in <i>P. hydropiperoides</i>.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Persicaria setacea
|authority=(Baldwin) Small
|rank=species
|parent rank=section
|synonyms=Polygonum hydropiperoides var. setaceum;Polygonum setaceum var. interjectum;Polygonum setaceum var. tonsum
|basionyms=Polygonum setaceum
|family=Polygonaceae
|phenology=Flowering Jul–Oct.
|habitat=Alluvial woods, swamp forests
|elevation=0-300 m
|distribution=Ala.;Ark.;Del.;Fla.;Ga.;Ill.;Ind.;Ky.;La.;Md.;Mass.;Mich.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;R.I.;S.C.;Tenn.;Tex.;Va.;Wash.
|reference=None
|publication title=Fl. S.E. U.S.,
|publication year=1903
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_1199.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Persicaria
|section=Persicaria sect. Persicaria
|species=Persicaria setacea
}}<!--

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