View source for Persicaria sect. Echinocaulon

{{Treatment/ID
|accepted_name=Persicaria sect. Echinocaulon
|accepted_authority=(Meisner) H. Gross
|publications={{Treatment/Publication
|title=Bull. Acad. Int. Géogr. Bot.
|place=4: 27. 1913
|year=1913
}}
|basionyms={{Treatment/ID/Basionym
|name=Polygonum sect. Echinocaulon
|authority=Meisner
|publication_title=in N. Wallich, Pl. Asiat. Rar.
|publication_place=3: 58. 1832
}}
|synonyms=
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Persicaria;Persicaria sect. Echinocaulon
|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>
|volume=Volume 5
|mention_page=page 574
|treatment_page=page 575
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>usually scandent or, rarely, ascending or erect, simple or branched, with recurved prickles. <b>Leaves</b>: ocrea chartaceous or foliaceous, margins eciliate or ciliate; petiole, if present, rarely winged, not auriculate; blade without dark triangular or lunate blotch adaxially, broadly lanceolate or elliptic to triangular, base truncate to sagittate to cordate, margins entire or hastately lobed. <b>Inflorescences</b> terminal and axillary, spikelike, paniclelike, or capitate, uninterrupted or, rarely, interrupted proximally. <b>Flowers</b> homostylous, articulation swollen or not; perianth campanulate; tepals 4–5, connate 1/4–1/2 their length; stamens 5–8; styles deciduous, 2–3, included or, rarely, exserted, erect or spreading.</span><!--

-->{{Treatment/Body
|distribution=e North America;South America;Asia;se Africa;e Australia.
|discussion=<p>Species 21 (5 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=park1986a
|text=Park, C. W. 1986. Nomenclatural typifications in Polygonum section Echinocaulon (Polygonaceae). Brittonia 38: 394–406.
}}{{Treatment/Reference
|id=park1987a
|text=Park, C. W. 1987. Flavonoid chemistry of Polygonum sect. Echinocaulon: A systematic survey. Syst. Bot. 12: 167–179.
}}{{Treatment/Reference
|id=park1988a
|text=Park, C. W. 1988. Taxonomy of Polygonum section Echinocaulon (Polygonaceae). Mem. New York Bot. Gard. 47: 1–82.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Ocreae, at least some, foliaceous, green; perianths fleshy and blue in fruit
|[[Persicaria perfoliata|Persicaria perfoliata]]
|-id=key-0-1
|1
|Ocreae chartaceous, brownish; perianths not fleshy and blue in fruit
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Ocreae margins truncate, ciliate with bristles 2-4 mm
|[[Persicaria bungeana|Persicaria bungeana]]
|-id=key-0-2
|2
|Ocreae margins oblique, eciliate or ciliate with bristles to 2.5 mm
|[[#key-0-3| > 3]]
|-id=key-0-3
|3
|Leaf blades broadly hastate to hastate-cordate or triangular; tepals 4
|[[Persicaria arifolia|Persicaria arifolia]]
|-id=key-0-3
|3
|Leaf blades linear-lanceolate to oblong; tepals 5
|[[#key-0-4| > 4]]
|-id=key-0-4
|4
|Peduncles usually glabrous, sometimes with retrorse prickles proximally; leaves petiolate; bases of leaf blades sagittate to cordate; stamens 8
|[[Persicaria sagittata|Persicaria sagittata]]
|-id=key-0-4
|4
|Peduncles usually stipitate-glandular; leaves sessile or subsessile; bases of leaf blades cordate to truncate or cuneate; stamens 5
|[[Persicaria meisneriana|Persicaria meisneriana]]
|}
</div></div><!--

-->{{#Taxon:
name=Persicaria sect. Echinocaulon
|author=
|authority=(Meisner) H. Gross
|rank=section
|parent rank=genus
|synonyms=
|basionyms=Polygonum sect. Echinocaulon
|family=Polygonaceae
|distribution=e North America;South America;Asia;se Africa;e Australia.
|reference=park1986a;park1987a;park1988a
|publication title=Bull. Acad. Int. Géogr. Bot.
|publication year=1913
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V5/V5_1178.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Persicaria
|section=Persicaria sect. Echinocaulon
}}<!--

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