View source for Rafinesquia

{{Treatment/ID
|accepted_name=Rafinesquia
|accepted_authority=Nuttall
|publications={{Treatment/Publication
|title=Trans. Amer. Philos. Soc., n. s.
|place=7: 429. 1841
|year=1841
}}
|common_names=Rafinesque’s chicory
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Cichorieae;Rafinesquia
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Cichorieae]]</div><div class="higher-taxon"><small>genus</small>[[Rafinesquia]]</div></div>
|etymology=For Constantin Samuel Rafinesque, 1783–1840, naturalist and polymath who traveled widely in nineteenth-century America
|volume=Volume 19
|mention_page=page 215, 360
|treatment_page=page 348
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> 15–150 cm; taprooted. <b>Stems</b> 1–3, erect, simple or distally branched (hollow), glabrous. <b>Leaves</b> basal and cauline; basal petiolate or sessile, blades oblong to oblanceolate, pinnately lobed (lobes broad or narrow); cauline sessile, sometimes auriculate clasping, distal smaller, becoming entire and bractlike. <b>Heads</b> (erect) borne singly (at ends of branches) or in open, paniculiform arrays. <b>Involucres</b> cylindro-conic, (4–)6–15+ mm diam. <b>Calyculi</b> of 8–14, spreading to reflexed, unequal bractlets (lengths to 1/2 phyllaries). <b>Phyllaries</b> 7–20 in 1 series, linear-lanceolate, ± equal, margins scarious, apices acuminate. <b>Receptacles</b> flat, smooth, glabrous, epaleate. <b>Florets</b> 15–30; corollas white, sometimes with rose or purplish veins abaxially (outer surpassing phyllaries). <b>Cypselae</b> tan to mottled grayish brown, fusiform, 9–18(–20) mm, bodies tapering to beaks, ribs or ridges 5, outer usually with antrorse hairs or papillate or scaly indument, inner mostly smooth to cross-rugulose, glabrous; pappi (borne on small discs) ± persistent, of 5–21, white or sordid, ± plumose (at least proximally, barbs sometimes entangled) bristles in 1 series. <b>x</b> = 8.</span><!--

-->{{Treatment/Body
|distribution=sw United States;nw Mexico.
|discussion=<p>Species 2 (2 in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Ligules surpassing phyllaries by 5–7 mm; cypselae 9–14 mm, including beaks 5–7 mm; pappus bristles wholly plumose, barbs straight, separate
|[[Rafinesquia californica|Rafinesquia californica]]
|-id=key-0-1
|1
|Ligules surpassing phyllaries by 15–20 mm; cypselae 12–18(–20) mm, including beaks 3–6 mm; pappus bristles plumose on proximal 65–80%, barbs crooked, entangled
|[[Rafinesquia neomexicana|Rafinesquia neomexicana]]
|}
</div></div><!--

-->{{#Taxon:
name=Rafinesquia
|author=L. D. Gottlieb
|authority=Nuttall
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|illustrator=Bee F. Gunn
|illustration copyright=Flora of North America Association
|distribution=sw United States;nw Mexico.
|reference=None
|publication title=Trans. Amer. Philos. Soc., n. s.
|publication year=1841
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V19_543.xml
|tribe=Asteraceae tribe Cichorieae
|genus=Rafinesquia
}}<!--

-->[[Category:Treatment]][[Category:Asteraceae tribe Cichorieae]]