View source for Oxytenia ← Oxytenia You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Oxytenia |accepted_authority=Nuttall |publications={{Treatment/Publication |title=Proc. Acad. Nat. Sci. Philadelphia |place=4: 20. 1848 |year=1848 }} |common_names=Copper-weed |basionyms= |synonyms= |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ambrosiinae;Oxytenia |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Heliantheae]]</div><div class="higher-taxon"><small>subtribe</small>[[Asteraceae (tribe Heliantheae) subtribe Ambrosiinae]]</div><div class="higher-taxon"><small>genus</small>[[Oxytenia]]</div></div> |etymology=Greek oxytenes, acuminate, “in allusion to the rigid narrow foliage” |volume=Volume 21 |mention_page=page 9, 25 |treatment_page=page 29 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism some measurement;whole_organism growth form;whole_organism some measurement;whole_organism growth form"><b>Subshrubs </b>or shrubs, 50–200 cm.</span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem architecture"><b>Stems </b>erect, virgately branched.</span> <span class="statement" id="st-d0_s2" data-properties=""><b>Leaves </b>cauline;</span> <span class="statement" id="st-d0_s3" data-properties="">alternate;</span> <span class="statement" id="st-d0_s4" data-properties="leaf position;leaf arrangement;leaf architecture;leaf architecture">petiolate or ± sessile;</span> <span class="statement" id="st-d0_s5" data-properties="blade shape;distal blade shape;face pubescence;face pubescence;face pubescence">blades mostly pinnately lobed (lobes 3–7+, linear to filiform), distal (not lobed) linear to filiform, faces usually sericeous to strigillose, sometimes glabrate or glabrous, usually glanddotted.</span> <span class="statement" id="st-d0_s6" data-properties="head architecture or shape;array architecture;glomerule arrangement"><b>Heads </b>disciform, in (ebracteate or nearly so) paniculiform arrays, or borne singly or in glomerules of 1–5+.</span> <span class="statement" id="st-d0_s7" data-properties="involucre shape;involucre diameter"><b>Involucres </b>± hemispheric, 4–5+ mm diam.</span> <span class="statement" id="st-d0_s8" data-properties="phyllary duration;phyllary quantity;phyllary fusion;series quantity;outer phyllary quantity;outer phyllary growth form or texture;inner phyllary texture"><b>Phyllaries </b>persistent, 10–15+ in 2–3 series, distinct, outer 5–7 herbaceous, inner scarious to membranous (± villous).</span> <span class="statement" id="st-d0_s9" data-properties="receptacle shape"><b>Receptacles </b>convex;</span> <span class="statement" id="st-d0_s10" data-properties="palea shape;palea texture;palea pubescence">paleae spatulate to cuneiform, membranous, distally ± villous.</span> <span class="statement" id="st-d0_s11" data-properties="floret architecture;floret quantity"><b>Pistillate </b>florets 5;</span> <span class="statement" id="st-d0_s12" data-properties="corolla presence">corollas 0.</span> <span class="statement" id="st-d0_s13" data-properties="floret architecture;floret quantity"><b>Functionally </b>staminate florets 10–25+;</span> <span class="statement" id="st-d0_s14" data-properties="corolla coloration;lobe quantity;lobe orientation">corollas whitish, funnelform, lobes 5, erect (filaments connate, anthers distinct or weakly coherent).</span> <span class="statement" id="st-d0_s15" data-properties="cypsela shape;cypsela shape;cypsela shape;cypsela architecture or pubescence or relief;cypsela pubescence"><b>Cypselae </b>plumply obovoid, obcompressed or weakly 3–4-angled, smooth, ± villous, little, if at all, glanddotted;</span> <span class="statement" id="st-d0_s16" data-properties="">pappi 0.</span> <span class="statement" id="st-d0_s17" data-properties="pappus presence;x chromosome quantity">x = 18.</span><!-- -->{{Treatment/Body |distribution=w United States |discussion=<p>Species 1.</p> |tables= |references= }}<!-- --><!-- -->{{#Taxon: name=Oxytenia |author=John L. Strother |authority=Nuttall |rank=genus |parent rank=subtribe |synonyms= |basionyms= |family=Asteraceae |illustrator=Linda Ann Vorobik |illustration copyright=Flora of North America Association |distribution=w United States |reference=None |publication title=Proc. Acad. Nat. Sci. Philadelphia |publication year=1848 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21_51.xml |tribe=Asteraceae tribe Heliantheae |subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae |genus=Oxytenia |array architecture=paniculiform |blade shape=lobed |corolla coloration=whitish |corolla presence=absent |cypsela architecture or pubescence or relief=smooth |cypsela pubescence=villous |cypsela shape=3-4-angled;obcompressed;obovoid |distal blade shape=linear;filiform |face pubescence=glabrous;glabrate;usually sericeous;strigillose |floret architecture=staminate;pistillate |floret quantity=10;25 |glomerule arrangement=singly |head architecture or shape=disciform |inner phyllary texture=scarious;membranous |involucre diameter=4mm;5mm |involucre shape=hemispheric |leaf architecture=sessile;petiolate |leaf arrangement=alternate |leaf position=cauline |lobe orientation=erect |lobe quantity=5 |outer phyllary growth form or texture=herbaceous |outer phyllary quantity=5;7 |palea pubescence=villous |palea shape=spatulate;cuneiform |palea texture=membranous |pappus presence=absent |phyllary duration=persistent |phyllary fusion=distinct |phyllary quantity=10;15 |receptacle shape=convex |series quantity=2;3 |stem architecture=branched |stem orientation=erect |whole_organism growth form=shrub;subshrub |whole_organism some measurement=50cm;200cm |x chromosome quantity=18 }}<!-- -->[[Category:Treatment]][[Category:Asteraceae (tribe Heliantheae) subtribe Ambrosiinae]] Templates used on this page: Template:Asteraceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Publication (view source) Return to Oxytenia.