View source for Eriogonum subg. Eriogonum

{{Treatment/ID
|accepted_name=Eriogonum subg. Eriogonum
|accepted_authority=
|publications=
|basionyms=
|synonyms=
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Eriogonum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polygonaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Polygonaceae subfam. Eriogonoideae]]</div><div class="higher-taxon"><small>genus</small>[[Eriogonum]]</div><div class="higher-taxon"><small>subgenus</small>[[Eriogonum subg. Eriogonum]]</div></div>
|volume=Volume 5
|mention_page=page 223
|treatment_page=page 329
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism orientation;whole_organism growth form;whole-organism reproduction;whole-organism pubescence;whole-organism pubescence;whole-organism duration"><b>Herbs,</b> erect, polycarpic perennials, tomentose or glabrous;</span> <span class="statement" id="st-d0_s1" data-properties="taproot texture">taproot woody.</span> <span class="statement" id="st-d0_s2" data-properties="stem orientation;stem pubescence"><b>Stems </b>erect, tomentose to floccose or glabrous;</span> <span class="statement" id="st-d0_s3" data-properties="caudex stem presence">caudex stems absent;</span> <span class="statement" id="st-d0_s4" data-properties="flowering-stem location;flowering-stem orientation;flowering-stem size;flowering-stem architecture;flowering-stem architecture;flowering-stem shape;flowering-stem architecture;flowering-stem orientation;segment shape">aerial flowering-stems erect, slender to stout, solid, not hollow, fistulose, or disarticulating in ringlike segments proximally, arising directly from the root.</span> <span class="statement" id="st-d0_s5" data-properties="leaf duration;leaf position;leaf position;leaf quantity;leaf architecture or arrangement"><b>Leaves </b>usually persistent, basal or cauline, 1 per node or fasciculate;</span> <span class="statement" id="st-d0_s6" data-properties="blade pubescence">blade tomentose abaxially.</span> <span class="statement" id="st-d0_s7" data-properties="inflorescence position or structure subtype;inflorescence architecture;inflorescence architecture"><b>Inflorescences </b>terminal, cymose, open;</span> <span class="statement" id="st-d0_s8" data-properties="branch architecture;branch architecture;branch shape;branch architecture or pubescence or relief;branch coloration;branch architecture;branch pubescence;segment shape">branches mostly dichotomous, not disarticulating into ringlike segments, round and smooth or finely striated or grooved, tomentose;</span> <span class="statement" id="st-d0_s9" data-properties="bract atypical quantity;bract quantity;bract fusion;bract shape;bract shape">bracts 3 (–5), connate basally, scalelike or leaflike.</span> <span class="statement" id="st-d0_s10" data-properties="peduncle presence;peduncle orientation;peduncle fragility or size"><b>Peduncles </b>absent or erect and stout.</span> <span class="statement" id="st-d0_s11" data-properties="involucre quantity;involucre fixation or orientation;involucre shape"><b>Involucres </b>1 per node, not appressed to the inflorescence branches, turbinate to campanulate;</span> <span class="statement" id="st-d0_s12" data-properties="tooth quantity;tooth orientation;apex shape">teeth 5, erect, apex acute.</span> <span class="statement" id="st-d0_s13" data-properties="flower shape;base shape;base some measurement"><b>Flowers </b>attenuate at base, with stipelike base 0.5–7 mm;</span> <span class="statement" id="st-d0_s14" data-properties="perianth coloration;perianth pubescence;perianth pubescence">perianth cream to light tan or yellow, densely pubescent abaxially, glabrous adaxially;</span> <span class="statement" id="st-d0_s15" data-properties="tepal fusion;tepal length;tepal architecture;tepal growth form">tepals connate proximally 1/4–1/3 their length, monomorphic or dimorphic;</span> <span class="statement" id="st-d0_s16" data-properties="stamen position">stamens exserted;</span> <span class="statement" id="st-d0_s17" data-properties="filament pubescence;filament pubescence">filaments glabrous or densely pilose.</span> <span class="statement" id="st-d0_s18" data-properties="achene coloration;achene architecture;achene shape;achene pubescence;achene pubescence"><b>Achenes </b>brown, not winged, 3-gonous, glabrous or pubescent.</span> <span class="statement" id="st-d0_s19" data-properties="embryo course"><b>Seeds:</b> embryo straight.</span><!--

-->{{Treatment/Body
|distribution=United States
|discussion=<p>Species 2 (2 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Tepals monomorphic; perianths densely white- or silvery-tomentose abaxially; filaments glabrous; Arkansas, Kansas, New Mexico, Oklahoma, and Texas e to Alabama, Florida, Kentucky, and Tennessee
|[[Eriogonum longifolium|Eriogonum longifolium]]
|-id=key-0-1
|1
|Tepals dimorphic; perianths densely tannish- to rusty-lanate abaxially; filaments pilose; se Alabama, Florida, Georgia, and South Carolina
|[[Eriogonum tomentosum|Eriogonum tomentosum]]
|}
</div></div><!--

-->{{#Taxon:
name=Eriogonum subg. Eriogonum
|authority=
|rank=subgenus
|parent rank=genus
|synonyms=
|basionyms=
|family=Polygonaceae
|distribution=United States
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V5/V5_666.xml
|subfamily=Polygonaceae subfam. Eriogonoideae
|genus=Eriogonum
|subgenus=Eriogonum subg. Eriogonum
|achene architecture=not winged
|achene coloration=brown
|achene pubescence=pubescent;glabrous
|achene shape=3-gonous
|apex shape=acute
|base shape=stipelike
|base some measurement=0.5mm;7mm
|blade pubescence=tomentose
|bract atypical quantity=3;5
|bract fusion=connate
|bract quantity=3
|bract shape=leaflike;scale-like
|branch architecture=grooved;not disarticulating;dichotomous
|branch architecture or pubescence or relief=smooth
|branch coloration=striated
|branch pubescence=tomentose
|branch shape=round
|caudex stem presence=absent
|embryo course=straight
|filament pubescence=pilose;glabrous
|flower shape=attenuate
|flowering-stem architecture=disarticulating;not hollow;solid
|flowering-stem location=aerial
|flowering-stem orientation=arising;erect
|flowering-stem shape=fistulose
|flowering-stem size=slender;stout
|inflorescence architecture=open;cymose
|inflorescence position or structure subtype=terminal
|involucre fixation or orientation=not appressed
|involucre quantity=1
|involucre shape=turbinate;campanulate
|leaf architecture or arrangement=fasciculate
|leaf duration=persistent
|leaf position=cauline;basal
|leaf quantity=1
|peduncle fragility or size=stout
|peduncle orientation=erect
|peduncle presence=absent
|perianth coloration=cream;light tan or yellow
|perianth pubescence=glabrous;pubescent
|segment shape=ringlike;ringlike
|stamen position=exserted
|stem orientation=erect
|stem pubescence=tomentose;floccose or glabrous
|taproot texture=woody
|tepal architecture=monomorphic
|tepal fusion=connate
|tepal growth form=dimorphic
|tepal length=1/4;1/3
|tooth orientation=erect
|tooth quantity=5
|whole-organism duration=perennial
|whole-organism pubescence=glabrous;tomentose
|whole-organism reproduction=polycarpic
|whole_organism growth form=herb
|whole_organism orientation=erect
}}<!--

-->[[Category:Treatment]][[Category:Eriogonum]]