View source for Parthenice

{{Treatment/ID
|accepted_name=Parthenice
|accepted_authority=A. Gray
|publications={{Treatment/Publication
|title=Smithsonian Contr. Knowl.
|place=5(6): 85. 1853
|year=1853
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ambrosiinae;Parthenice
|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>[[Parthenice]]</div></div>
|etymology=No etymology in protologue; evidently alluding to similarities to members of genus Parthenium
|volume=Volume 21
|mention_page=page 8, 9
|treatment_page=page 23
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> 20–200 cm. <b>Stems</b> erect. <b>Leaves</b> cauline; alternate; petiolate; blades (3-nerved) deltate to ovate, margins entire or toothed, faces usually softly pubescent, sometimes rough-hairy. <b>Heads</b> obscurely radiate or disciform, borne in loose, paniculiform arrays. <b>Involucres</b> hemispheric, 3–5 mm. <b>Phyllaries</b> persistent (outer) or falling, 13, distinct, outer 5 herbaceous (becoming reflexed), inner 6–8 membranous (each becoming cupped around a cypsela). <b>Receptacles</b> convex; paleae of 2 kinds: peripheral purplish-mottled, becoming somewhat fleshy and arcuate-clavate, shed together in pairs with each cypsela; inner 0 or narrowly conic, persistent. <b>Ray</b> florets 6–8; corollas yellowish (minute), glandular. <b>Disc</b> florets 10–25+, functionally staminate; corollas yellowish, funnelform, distally glandular and hairy (anthers ± connate). <b>Cypselae</b> (ray) strongly obcompressed to obflattened, obovate, tuberculate, shed with 2 adjacent, ± fleshy paleae; pappi 0 or rudimentary. <b>x</b> = 18.</span><!--

-->{{Treatment/Body
|distribution=Ariz.;nw Mexico.
|discussion=<p>Species 1.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Parthenice
|author=John L. Strother
|authority=A. Gray
|rank=genus
|parent rank=subtribe
|synonyms=
|basionyms=
|family=Asteraceae
|illustrator=Linda Ann Vorobik
|illustration copyright=Flora of North America Association
|distribution=Ariz.;nw Mexico.
|reference=None
|publication title=Smithsonian Contr. Knowl.
|publication year=1853
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_37.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae
|genus=Parthenice
}}<!--

-->[[Category:Treatment]][[Category:Asteraceae (tribe Heliantheae) subtribe Ambrosiinae]]