View source for Rumex mexicanus

{{Treatment/ID
|accepted_name=Rumex mexicanus
|accepted_authority=Meisner in A. P. de Candolle and A. L. P. P. de Candolle
|publications={{Treatment/Publication
|title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
|place=14: 45. 1856
|year=1856
}}
|common_names=Mexican willow or dock
|basionyms=
|synonyms=
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Rumex;Rumex subg. Rumex;Rumex sect. Axillares;Rumex mexicanus
|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>[[Rumex]]</div><div class="higher-taxon"><small>subgenus</small>[[Rumex subg. Rumex]]</div><div class="higher-taxon"><small>section</small>[[Rumex sect. Axillares]]</div><div class="higher-taxon"><small>species</small>[[Rumex mexicanus]]</div></div>
|volume=Volume 5
|mention_page=page 493, 505, 510, 512
|treatment_page=page 511
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, glabrous; with vertical rootstock, occasionally with short, creeping rhizomes. <b>Stems</b> erect or ascending, usually producing axillary shoots below 1st-order inflorescence or at proximal nodes, 30–60(–90) cm. <b>Leaf</b> blades light green to yellowish green, linear-lanceolate, occasionally lanceolate, 6–14 × 1–3.5(–4) cm, usually ca. 5–7 times as long as wide, widest near middle, thin, not coriaceous, base cuneate, margins entire, flat or undulate, apex acute or attenuate. <b>Inflorescences</b> terminal and axillary, terminal usually occupying distal 1/5–1/3 of stem, rather dense or interrupted in proximal 1/2, usually broadly paniculate (branches simple or with few 2d-order branches). <b>Pedicels</b> articulated in proximal 1/3 or almost near base, filiform (thickened distally), 4–7 mm, not more than 2–2.5 times as long as inner tepals, articulation indistinctly swollen. <b>Flowers</b> 10–20 in whorls; inner tepals broadly ovate-triangular, occasionally broadly triangular, 3.5–4.5(–5) × 3.5–4(–5) mm, base truncate or indistinctly cordate, margins entire or indistinctly erose, apex obtuse or subacute; tubercles 3, equal or subequal (much narrower than inner tepals). <b>Achenes</b> brown or dark reddish brown, 2–3 × 1.5–2 mm. <b>2n</b> = 40.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring–early summer.
|habitat=Shores of streams and rivers, wet meadows
|elevation=1000 m
|distribution=N.Mex.;Mexico.
|discussion=<p>Some authors recognize <i>Rumex mexicanus</i> in the broad sense, including in it many other taxa treated here as separate entities. For consistency, the entities of the <i>R. salicifolius</i> aggregate that are recognized herein are kept separate pending additional taxonomic research.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Rumex mexicanus
|author=
|authority=Meisner in A. P. de Candolle and A. L. P. P. de Candolle
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Polygonaceae
|phenology=Flowering spring–early summer.
|habitat=Shores of streams and rivers, wet meadows
|elevation=1000 m
|distribution=N.Mex.;Mexico.
|reference=None
|publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
|publication year=1856
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V5/V5_1047.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Rumex
|subgenus=Rumex subg. Rumex
|section=Rumex sect. Axillares
|species=Rumex mexicanus
}}<!--

-->[[Category:Treatment]][[Category:Rumex sect. Axillares]]