View source for Rumex orthoneurus

{{Treatment/ID
|accepted_name=Rumex orthoneurus
|accepted_authority=Rechinger f.
|publications={{Treatment/Publication
|title=Repert. Spec. Nov. Regni Veg.
|place=40: 294. 1936
|year=1936
}}
|common_names=Chiricahua or Blumer’s dock
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Rumex densiflorus subsp. orthoneurus
|authority=(Rechinger f.) Á. Löve
|rank=subspecies
}}
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Rumex;Rumex subg. Rumex;Rumex sect. Rumex;Rumex orthoneurus
|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. Rumex]]</div><div class="higher-taxon"><small>species</small>[[Rumex orthoneurus]]</div></div>
|volume=Volume 5
|mention_page=page 494
|treatment_page=page 516
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism duration;whole_organism pubescence;whole_organism pubescence;whole_organism growth form;rhizome growth form or orientation;rhizome shape"><b>Plants </b>perennial, glabrous or indistinctly papillose-pubescent especially on leaf-blade veins abaxially, with creeping or fusiform rhizomes.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem architecture;stem some measurement"><b>Stems </b>erect, branched above middle (only in inflorescence), 60–100 cm.</span> <span class="statement" id="st-d0_s2" data-properties="ocreum duration;ocreum duration"><b>Leaves:</b> ocrea deciduous or partially persistent at maturity;</span> <span class="statement" id="st-d0_s3" data-properties="lateral-vein variability;base shape;base shape;base shape;base shape;base shape;margin architecture or shape;margin prominence or shape;apex shape;apex shape;apex shape;apex shape;apex shape">blade with lateral-veins ± equal in size, oblong or oblong-lanceolate, 20–40 (–50) × 8–15 (–18) cm, more than 3 times as long as wide, base broadly cuneate, obtuse, or weakly cordate, margins entire, flat, apex acute, subacute, or acuminate.</span> <span class="statement" id="st-d0_s4" data-properties="inflorescence position or structure subtype;inflorescence density;inflorescence arrangement;stem position or shape;stem quantity"><b>Inflorescences </b>terminal, occupying distal 1/2 of stem, often dense, narrowly paniculate.</span> <span class="statement" id="st-d0_s5" data-properties="pedicel architecture;pedicel shape;pedicel atypical some measurement;pedicel atypical some measurement;pedicel some measurement;articulation prominence;articulation prominence"><b>Pedicels </b>articulated in proximal 1/2, filiform, (5–) 12–15 (–17) mm, articulation indistinct, scarcely visible.</span> <span class="statement" id="st-d0_s6" data-properties="flower quantity"><b>Flowers </b>10–20 in whorls;</span> <span class="statement" id="st-d0_s7" data-properties="inner tepal shape;inner tepal length;inner tepal width;inner tepal width;base architecture or shape;base architecture or shape;margin architecture or relief;margin shape;margin shape;apex shape">inner tepals ovate-deltoid, 4.5–7 × 3.5–7 mm, widest in proximal 1/3, base truncate or weakly emarginate, margins erose to weakly serrate or indistinctly denticulate in basal part, apex acute to acuminate;</span> <span class="statement" id="st-d0_s8" data-properties="tubercle presence">tubercles absent.</span> <span class="statement" id="st-d0_s9" data-properties="achene coloration;achene length;achene width;2n chromosome quantity"><b>Achenes </b>brown, 2.5–4 × 1.5–2.5 mm. <b>2n</b> = 120.</span><!--

-->{{Treatment/Body
|phenology=Flowering late spring–summer.
|habitat=Along streams
|elevation=2500 m
|distribution=Ariz.;N.Mex.;Mexico (Sonora)
|discussion=<p>Rumex orthoneurus has been reported from northern Mexico (M. Fishbein 1993). The species is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Rumex orthoneurus
|authority=Rechinger f.
|rank=species
|parent rank=section
|synonyms=Rumex densiflorus subsp. orthoneurus
|basionyms=
|family=Polygonaceae
|phenology=Flowering late spring–summer.
|habitat=Along streams
|elevation=2500 m
|distribution=Ariz.;N.Mex.;Mexico (Sonora)
|reference=None
|publication title=Repert. Spec. Nov. Regni Veg.
|publication year=1936
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V5/V5_1059.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Rumex
|subgenus=Rumex subg. Rumex
|section=Rumex sect. Rumex
|species=Rumex orthoneurus
|2n chromosome quantity=120
|achene coloration=brown
|achene length=2.5mm;4mm
|achene width=1.5mm;2.5mm
|apex shape=acute;acuminate
|articulation prominence=visible;indistinct
|base architecture or shape=emarginate;truncate
|base shape=cordate;obtuse;cordate;obtuse;cuneate
|flower quantity=10;20
|inflorescence arrangement=paniculate
|inflorescence density=dense
|inflorescence position or structure subtype=terminal
|inner tepal length=4.5mm;7mm
|inner tepal shape=ovate-deltoid
|inner tepal width=widest;3.5mm;7mm
|lateral-vein variability=equal
|margin architecture or relief=erose
|margin architecture or shape=entire
|margin prominence or shape=flat
|margin shape=denticulate;serrate
|ocreum duration=persistent;deciduous
|pedicel architecture=articulated
|pedicel atypical some measurement=15mm;17mm
|pedicel shape=filiform
|pedicel some measurement=12mm;15mm
|rhizome growth form or orientation=creeping
|rhizome shape=fusiform
|stem architecture=branched
|stem orientation=erect
|stem position or shape=distal
|stem quantity=1/2
|stem some measurement=60cm;100cm
|tubercle presence=absent
|whole_organism duration=perennial
|whole_organism growth form=plant
|whole_organism pubescence=papillose-pubescent;glabrous
}}<!--

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