View source for Chorisiva

{{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=
}}<!--

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-->{{#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]]