View source for Stenotus

{{Treatment/ID
|accepted_name=Stenotus
|accepted_authority=Nuttall
|publications={{Treatment/Publication
|title=Trans. Amer. Philos. Soc., n. s.
|place=7: 334. 1840
|year=1840
}}
|common_names=Goldenweed or mock goldenweed
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Haplopappus sect. Stenotus
|authority=(Nuttall) A. Gray
}}
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Stenotus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Astereae]]</div><div class="higher-taxon"><small>genus</small>[[Stenotus]]</div></div>
|etymology=Greek stenotes, narrowness, apparently alluding to width of leaves
|volume=Volume 20
|mention_page=page 16, 413
|treatment_page=page 174
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 2–30(–60) cm (mat-forming or cespitose [pulvinate]; branched caudices, taproots ± well-developed). <b>Stems</b> erect (usually white, proximally often clothed with marcescent leaves), simple, glabrous or scabrous, villous, or lanate, eglandular, viscid, or stipitate-glandular. <b>Leaves</b> basal or cauline; alternate; petiolate; blades (whitish proximally, green or grayish distally) 1- or 3-nerved (nerves raised abaxially or not), linear to broadly oblanceolate (rigid or pliable), margins entire, sometimes ciliate, eglandular [glandular], faces glabrous, scabrous, or villous to lanate, viscid or stipitate-glandular. <b>Heads</b> radiate [discoid], usually borne singly, sometimes (2–4) in corymbiform arrays. <b>Involucres</b> campanulate to hemispheric, ([6–]9–28 ×) [5–]6–15 mm. <b>Phyllaries</b> 10–37(–64) in 2–4 series, 1- or 3-nerved (sometimes keeled proximally), lanceolate or oblong to broadly oblanceolate, unequal to equal, indurate proximally, chartaceous or herbaceous distally, margins scarious, entire or fimbriate (apices acute to obtuse or rounded), abaxial faces sometimes villous, viscid, and/or stipitate-glandular. <b>Receptacles</b> convex, pitted, epaleate. <b>Ray</b> florets [0] 5–17, pistillate, fertile; corollas yellow. <b>Disc</b> florets 14–45, bisexual, fertile; corollas yellow, tubes shorter than narrowly funnelform to vase-shaped, or ± ampliate throats, lobes 5, erect, triangular; style-branch appendages subulate to lanceolate. <b>Cypselae</b> ± prismatic to oblanceoloid or linear, often flattened, 6–12-nerved, faces usually sericeous, sometimes glabrous; pappi persistent, of 30–75, whitish, fine, barbellate, apically attenuate bristles in 1 series (spreading at maturity). <b>x</b> = 9.</span><!--

-->{{Treatment/Body
|distribution=w North America;nw Mexico.
|discussion=<p>Species 4 (3 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=morse1994a
|text=Morse, C. A. 1994. Systematics and Taxonomy of Stenotus Nutt. (Asteraceae: Astereae). M.S. thesis. University of Kansas.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Stems and leaves villous to lanate, eglandular or densely stipitate-glandular; leaves pliable; taproots weakly developed
|[[Stenotus lanuginosus|Stenotus lanuginosus]]
|-id=key-0-1
|1
|Stems and leaves glabrous or scabrous, eglandular, viscid, or stipitate-glandular; leaves rigid; taproots usually well developed
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Leaf margins usually roughly scabrous; outer phyllary apices acute, green portions usually longer than broad
|[[Stenotus acaulis|Stenotus acaulis]]
|-id=key-0-2
|2
|Leaf margins sometimes ciliate (often minutely); outer phyllary apices obtuse to rounded, green portions as long as broad
|[[Stenotus armerioides|Stenotus armerioides]]
|}
</div></div><!--

-->{{#Taxon:
name=Stenotus
|author=Caleb A. Morse
|authority=Nuttall
|rank=genus
|parent rank=tribe
|synonyms=Haplopappus sect. Stenotus
|basionyms=
|family=Asteraceae
|illustrator=Yevonn Wilson-Ramsey
|distribution=w North America;nw Mexico.
|reference=morse1994a
|publication title=Trans. Amer. Philos. Soc., n. s.
|publication year=1840
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V20_379.xml
|tribe=Asteraceae tribe Astereae
|genus=Stenotus
}}<!--

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