View source for Persicaria capitata

{{Treatment/ID
|accepted_name=Persicaria capitata
|accepted_authority=(Buchanan-Hamilton ex D. Don) H. Gross
|publications={{Treatment/Publication
|title=Bot. Jahrb. Syst.
|place=49: 277. 1913
|year=1913
}}
|common_names=Pink-head knotweed
|special_status={{Treatment/ID/Special_status
|code=I
|label=Introduced
}}
|basionyms={{Treatment/ID/Basionym
|name=Polygonum capitatum
|authority=Buchanan-Hamilton ex D. Don
|rank=species
|publication_title=Prodr. Fl. Nepal.,
|publication_place=73. 1825
}}
|synonyms=
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Persicaria;Persicaria sect. Cephalophilon;Persicaria capitata
|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. Cephalophilon]]</div><div class="higher-taxon"><small>species</small>[[Persicaria capitata]]</div></div>
|volume=Volume 5
|mention_page=page 580
|treatment_page=page 579
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism duration;whole_organism some measurement;whole_organism growth form"><b>Plants </b>annual or perennial, 0.5–5 dm;</span> <span class="statement" id="st-d0_s1" data-properties="root orientation">roots also often arising from proximal nodes.</span> <span class="statement" id="st-d0_s2" data-properties="stem growth form or orientation;stem pubescence;stem pubescence"><b>Stems </b>prostrate, glabrous or glandular-pubescent.</span> <span class="statement" id="st-d0_s3" data-properties="ocreum coloration;ocreum coloration;ocreum shape;ocreum some measurement;ocreum pubescence or texture;base shape;base shape;margin orientation or shape;margin pubescence;margin pubescence;bristle some measurement;surface pubescence;surface pubescence"><b>Leaves:</b> ocrea brown or reddish-brown, cylindric to funnelform, 5–12 mm, chartaceous, base inflated or not, margins oblique, eciliate or ciliate with bristles to 1.5 mm, surface lanate, sometimes also glandular-pubescent;</span> <span class="statement" id="st-d0_s4" data-properties="petiole some measurement;petiole architecture">petiole 2–5 mm, winged distally;</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;blade atypical length;blade length;blade atypical width;blade width;base shape;base shape;margin architecture or pubescence or shape;hair coloration;hair architecture;apex shape;face pubescence;face coloration or relief">blade ovate to elliptic, 1.5–4 (–6) × 0.6–2.5 (–3.3) cm, base cuneate or tapering, margins ciliate with reddish, multicellular hairs, apex acute, faces glandular-pubescent abaxially and adaxially, not glandular-punctate.</span> <span class="statement" id="st-d0_s6" data-properties="inflorescence position or structure subtype;inflorescence length;inflorescence width"><b>Inflorescences </b>terminal, 5–20 × 7-18 mm;</span> <span class="statement" id="st-d0_s7" data-properties="peduncle some measurement;peduncle pubescence;peduncle pubescence">peduncle 10–40 mm, glabrous or stipitate-glandular in distal 1/5;</span> <span class="statement" id="st-d0_s8" data-properties="ocreola arrangement;margin pubescence">ocreolae overlapping, margins eciliate.</span> <span class="statement" id="st-d0_s9" data-properties="pedicel orientation;pedicel some measurement"><b>Pedicels </b>spreading, 0.5–1 mm.</span> <span class="statement" id="st-d0_s10" data-properties="flower quantity"><b>Flowers </b>1–5 per ocreate fascicle;</span> <span class="statement" id="st-d0_s11" data-properties="perianth coloration;perianth coloration;perianth shape;perianth pubescence;perianth size">perianth greenish white proximally, pinkish distally, urceolate, glabrous, nonaccrescent;</span> <span class="statement" id="st-d0_s12" data-properties="tepal quantity;tepal arrangement or shape;tepal some measurement;apex shape">tepals 5, elliptic, 2–3 mm, apex acute to obtuse;</span> <span class="statement" id="st-d0_s13" data-properties="stamen quantity;filament fusion;filament fusion">stamens 8, filaments distinct, free;</span> <span class="statement" id="st-d0_s14" data-properties="anther coloration;anther arrangement or shape">anthers pink to red, elliptic;</span> <span class="statement" id="st-d0_s15" data-properties="style quantity;style fusion;style position;style position">styles 3, connate to middle or distally.</span> <span class="statement" id="st-d0_s16" data-properties="achene position;achene coloration;achene shape;achene length;achene width;achene reflectance;achene relief;achene relief"><b>Achenes </b>included, reddish-brown to brownish black, 3-gonous, 1.5–2.2 × 1–1.5 mm, shiny, smooth or minutely punctate.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Sep.
|habitat=Disturbed, urban places
|elevation=0-500 m
|distribution=Calif.;La.;Oreg.;Asia (Bhutan);Asia (w China);Asia (n India);Asia (Nepal);also in the Pacific Islands (Hawaii)
|introduced=true
|discussion=<p>Persicaria capitata is planted as a garden groundcover. It escapes infrequently in the flora area; once established outside of cultivation it can be difficult to eradicate.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Persicaria capitata
|authority=(Buchanan-Hamilton ex D. Don) H. Gross
|rank=species
|parent rank=section
|synonyms=
|basionyms=Polygonum capitatum
|family=Polygonaceae
|phenology=Flowering Jun–Sep.
|habitat=Disturbed, urban places
|elevation=0-500 m
|distribution=Calif.;La.;Oreg.;Asia (Bhutan);Asia (w China);Asia (n India);Asia (Nepal);also in the Pacific Islands (Hawaii)
|introduced=true
|reference=None
|publication title=Bot. Jahrb. Syst.
|publication year=1913
|special status=Introduced
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V5/V5_1187.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Persicaria
|section=Persicaria sect. Cephalophilon
|species=Persicaria capitata
|achene coloration=reddish-brown;brownish black
|achene length=1.5mm;2.2mm
|achene position=included
|achene reflectance=shiny
|achene relief=punctate;smooth
|achene shape=3-gonous
|achene width=1mm;1.5mm
|anther arrangement or shape=elliptic
|anther coloration=pink;red
|apex shape=acute;obtuse
|base shape=tapering;cuneate;not;inflated
|blade atypical length=4cm;6cm
|blade atypical width=2.5cm;3.3cm
|blade length=1.5cm;4cm
|blade shape=ovate;elliptic
|blade width=0.6cm;2.5cm
|bristle some measurement=0mm;1.5mm
|face coloration or relief=glandular-punctate
|face pubescence=glandular-pubescent
|filament fusion=free;distinct
|flower quantity=1;5
|hair architecture=multicellular
|hair coloration=reddish
|inflorescence length=5mm;20mm
|inflorescence position or structure subtype=terminal
|inflorescence width=7mm;18mm
|margin architecture or pubescence or shape=ciliate
|margin orientation or shape=oblique
|margin pubescence=eciliate;ciliate;eciliate
|ocreola arrangement=overlapping
|ocreum coloration=reddish-brown;brown
|ocreum pubescence or texture=chartaceous
|ocreum shape=cylindric
|ocreum some measurement=5mm;12mm
|pedicel orientation=spreading
|pedicel some measurement=0.5mm;1mm
|peduncle pubescence=stipitate-glandular;glabrous
|peduncle some measurement=10mm;40mm
|perianth coloration=pinkish;greenish white
|perianth pubescence=glabrous
|perianth shape=urceolate
|perianth size=nonaccrescent
|petiole architecture=winged
|petiole some measurement=2mm;5mm
|root orientation=arising
|stamen quantity=8
|stem growth form or orientation=prostrate
|stem pubescence=glandular-pubescent;glabrous
|style fusion=connate
|style position=distally;middle
|style quantity=3
|surface pubescence=glandular-pubescent;lanate
|tepal arrangement or shape=elliptic
|tepal quantity=5
|tepal some measurement=2mm;3mm
|whole_organism duration=perennial;annual
|whole_organism growth form=plant
|whole_organism some measurement=0.5dm;5dm
}}<!--

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