View source for Oxytenia

{{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://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/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]]