View source for Chorisiva ← Chorisiva 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=Chorisiva |accepted_authority=(A. Gray) Rydberg |publications={{Treatment/Publication |title=in N. L. Britton et al., N. Amer. Fl. |place=33: 8. 1922 |year=1922 }} |basionyms={{Treatment/ID/Basionym |name=Iva sect. Chorisiva |authority=A. Gray |rank=section |publication_title=in A. Gray et al., Syn. Fl. N. Amer. |publication_place=1(2): 247. 1884 }} |synonyms= |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ambrosiinae;Chorisiva |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>[[Chorisiva]]</div></div> |etymology=Greek choris -, separate, and Iva, a related genus; allusion recondite, perhaps “separate from Iva ” or to “scattered” arrangement of heads |volume=Volume 21 |mention_page=page 9, 25 |treatment_page=page 31 }}<!-- --><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> 5–25(–40) cm. <b>Stems</b> erect, diffusely branched. <b>Leaves</b> cauline; mostly alternate; petiolate; blades ovate or deltate to lanceolate, usually 1–2-pinnately lobed (lobes lance-ovate to linear), ultimate margins entire or toothed, faces ± scabrellous, usually gland-dotted. <b>Heads</b> ± discoid, mostly borne singly (in leaf axils or remote from axils, ± scattered). <b>Involucres</b> ± turbinate to campanulate, 2–3+ mm diam. <b>Phyllaries</b> persistent, 3–8+ in 1–2+ series, distinct, outer 3+ herbaceous, inner scarious to membranous, glabrous. <b>Receptacles</b> convex; paleae linear to setiform, membranous, usually with dilated, strigillose or ciliate tips. <b>Pistillate</b> florets 2–3(–5); corollas yellowish, tubular. <b>Functionally</b> staminate florets 5–10+; corollas yellowish, funnelform, strigillose and gland-dotted distally, lobes 5, erect (filaments ± connate, anthers weakly coherent or distinct). <b>Cypselae</b> obovoid, obcompressed, smooth or corky-tuberculate, glabrous (not corky-winged, not gland-dotted); pappi 0.</span><!-- -->{{Treatment/Body |distribution=sw United States. |discussion=<p>Species 1.</p> |tables= |references= }}<!-- --><!-- -->{{#Taxon: name=Chorisiva |author=John L. Strother |authority=(A. Gray) Rydberg |rank=genus |parent rank=subtribe |synonyms= |basionyms=Iva sect. Chorisiva |family=Asteraceae |distribution=sw United States. |reference=None |publication title=in N. L. Britton et al., N. Amer. Fl. |publication year=1922 |special status= |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_57.xml |tribe=Asteraceae tribe Heliantheae |subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae |genus=Chorisiva }}<!-- -->[[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/ID/Basionym (view source) Template:Treatment/Publication (view source) Return to Chorisiva.