View source for Polygonum minimum

{{Treatment/ID
|accepted_name=Polygonum minimum
|accepted_authority=S. Watson
|publications={{Treatment/Publication
|title=Botany (Fortieth Parallel),
|place=315. 1871
|year=1871
}}
|common_names=Broad-leaf or leafy dwarf knotweed
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Polygonum torreyi
|authority=S. Watson
|rank=species
}}
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Polygonum;Polygonum sect. Duravia;Polygonum minimum
|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>[[Polygonum]]</div><div class="higher-taxon"><small>section</small>[[Polygonum sect. Duravia]]</div><div class="higher-taxon"><small>species</small>[[Polygonum minimum]]</div></div>
|volume=Volume 5
|mention_page=page 562
|treatment_page=page 569
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs.</b> Stems prostrate to erect, often zigzagged, reddish brown, simple or branched from base, wiry, 2–30 cm, papillose-scabrid-ulous. <b>Leaves</b> evenly distributed or crowded at branch tips, articulated to ocreae, basal leaves persistent, hardly reduced distally; ocrea 1–4 mm, papillose-scabridulous, proximal part cylindric, distal part entire or dentate-lacerate; petiole 0.1–3 mm; blade 1-veined, not pleated, narrowly elliptic, elliptic, ovate, obovate, or subround, 6–27 × 3–8 mm, margins flat, smooth, irregularly thickened or papillose-denticulate, apex apiculate, green adaxially. <b>Inflorescences</b> axillary; cymes from near stem and branch bases, sometimes also crowded at branch apices, 1–3-flowered. <b>Pedicels</b> enclosed in ocreae, erect to spreading, 2–3 mm. <b>Flowers</b> semi-open or closed; perianth 1.8–2.5 mm; tube 22–29% of perianth length; tepals overlapping, greenish with narrow white or pink margins, almost sepaloid, oblong, cucullate, ± navicular, apex rounded; midveins thickened, unbranched; stamens 8. <b>Achenes</b> enclosed in perianth or tip exserted, black, elliptic to ovate, 1.8–2.3 mm, faces subequal, smooth, shiny.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Sep.
|habitat=Alpine to subalpine sites, open or semibarren soil
|elevation=1500-3300 m
|distribution=Alta.;B.C.;Alaska;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;Utah;Wash.;Wyo.
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Polygonum minimum
|authority=S. Watson
|rank=species
|parent rank=section
|synonyms=Polygonum torreyi
|basionyms=
|family=Polygonaceae
|phenology=Flowering Jul–Sep.
|habitat=Alpine to subalpine sites, open or semibarren soil
|elevation=1500-3300 m
|distribution=Alta.;B.C.;Alaska;Calif.;Colo.;Idaho;Mont.;Nev.;Oreg.;Utah;Wash.;Wyo.
|reference=None
|publication title=Botany (Fortieth Parallel),
|publication year=1871
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V5/V5_1166.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Polygonum
|section=Polygonum sect. Duravia
|species=Polygonum minimum
}}<!--

-->[[Category:Treatment]][[Category:Polygonum sect. Duravia]]