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-undefined" data-properties=""><b>Subshrubs </b>or shrubs, 50–200 cm. <b>Stems</b> erect, virgately branched. <b>Leaves</b> cauline; alternate; petiolate or ± sessile; 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 gland-dotted. <b>Heads</b> disciform, in (ebracteate or nearly so) paniculiform arrays, or borne singly or in glomerules of 1–5+. <b>Involucres</b> ± hemispheric, 4–5+ mm diam. <b>Phyllaries</b> persistent, 10–15+ in 2–3 series, distinct, outer 5–7 herbaceous, inner scarious to membranous (± villous). <b>Receptacles</b> convex; paleae spatulate to cuneiform, membranous, distally ± villous. <b>Pistillate</b> florets 5; corollas 0. <b>Functionally</b> staminate florets 10–25+; corollas whitish, funnelform, lobes 5, erect (filaments connate, anthers distinct or weakly coherent). <b>Cypselae</b> plumply obovoid, obcompressed or weakly 3–4-angled, smooth, ± villous, little, if at all, gland-dotted; pappi 0. <b>x</b> = 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://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_51.xml |tribe=Asteraceae tribe Heliantheae |subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae |genus=Oxytenia }}<!-- -->[[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.