View source for Dicoria ← Dicoria 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=Dicoria |accepted_authority=Torrey & A. Gray in W. H. Emory |publications={{Treatment/Publication |title=in W. H. Emory, Rep. U.S. Mex. Bound. |place=2(1): 86, plate 30. 1859 |year=1859 }} |basionyms= |synonyms= |hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Ambrosiinae;Dicoria |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>[[Dicoria]]</div></div> |etymology=Greek di, two, and koris, bug, alluding to the two, “buglike” cypselae of the original species |volume=Volume 21 |mention_page=page 8, 9 |treatment_page=page 24 }}<!-- --><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> perennials, or subshrubs [shrubs], 10–90+ cm. <b>Stems</b> erect, virgately to divaricately branched. <b>Leaves</b> cauline; proximally opposite (first 2–10+ pairs in early growth, Feb–Apr), otherwise alternate; petiolate; blades (3-nerved) lance-linear to lanceolate (proximal) or ± deltate or ovate to elliptic or lanceolate (distal), margins entire or toothed, faces sericeous to strigillose, sometimes with coarser, erect hairs, usually gland-dotted as well. <b>Heads</b> disciform or discoid (then functionally staminate), in (mostly ebracteate) racemiform to paniculiform arrays [borne singly or loosely aggregated in 2s or 3s]. <b>Involucres</b> ± cup-shaped to saucer-shaped, 3–5+ mm diam. <b>Phyllaries</b> persistent (outer) or tardily falling, distinct, outer (4–)5(–7) in 1 series, ± herbaceous, inner 0–4 (each subtending a pistillate floret), scarious to membranous (accrescent, ultimately ovate to elliptic in fruit). <b>Receptacles</b> convex; paleae cuneiform to linear, membranous, ± villous to hispid distally, sometimes wanting. <b>Pistillate</b> florets (0–)1–4; corollas 0. <b>Functionally</b> staminate florets 5–15+; corollas whitish, funnelform, lobes 5, erect, reflexed, or incurved (anthers distinct or weakly coherent). <b>Cypselae</b> strongly obcompressed, often slightly cucullate, ± obovate to elliptic, margins corky-winged, irregularly toothed, faces smooth or warty, sometimes gland-dotted; pappi 0 (cypselae often each with apical tuft of white hairs). <b>x</b> = 18.</span><!-- -->{{Treatment/Body |distribution=w North America;nw Mexico. |discussion=<p>Species 2 (1 in the flora).</p><!-- --><p>Traits that have been used to distinguish species and/or infraspecific taxa of dicorias in the flora (presence/absence of erect hairs on stems, shape, size, and toothing of distal leaves, size of cypselae, and relative development of inner phyllaries; A. Cronquist 1994) vary and combine so capriciously that I find no justification for recognition of more than a single, polymorphic species in the flora area.</p> |tables= |references= }}<!-- --><!-- -->{{#Taxon: name=Dicoria |author=John L. Strother |authority=Torrey & A. Gray in W. H. Emory |rank=genus |parent rank=subtribe |synonyms= |basionyms= |family=Asteraceae |illustrator=Marjorie C. Leggitt |illustration copyright=Flora of North America Association |distribution=w North America;nw Mexico. |reference=None |publication title=in W. H. Emory, Rep. U.S. Mex. Bound. |publication year=1859 |special status= |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_39.xml |tribe=Asteraceae tribe Heliantheae |subtribe=Asteraceae (tribe Heliantheae) subtribe Ambrosiinae |genus=Dicoria }}<!-- -->[[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 Dicoria.