View source for Chaenactis douglasii

{{Treatment/ID
|accepted_name=Chaenactis douglasii
|accepted_authority=(Hooker) Hooker & Arnott
|publications={{Treatment/Publication
|title=Bot. Beechey Voy.,
|place=354. 1839
|year=1839
}}
|common_names=Hoary pincushion;Douglas’s dustymaiden
|special_status={{Treatment/ID/Special_status
|code=F
|label=Illustrated
}}{{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Hymenopappus douglasii
|authority=Hooker
|rank=species
|publication_title=Fl. Bor.-Amer.
|publication_place=1: 316. 1833
}}
|synonyms={{Treatment/ID/Synonym
|name=Macrocarphus douglasii
|authority=(Hooker) Nuttall
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Chaenactis;Chaenactis sect. Macrocarphus;Chaenactis douglasii
|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 Chaenactidinae]]</div><div class="higher-taxon"><small>genus</small>[[Chaenactis]]</div><div class="higher-taxon"><small>section</small>[[Chaenactis sect. Macrocarphus]]</div><div class="higher-taxon"><small>species</small>[[Chaenactis douglasii]]</div></div>
|volume=Volume 21
|mention_page=page 403, 404, 407
|treatment_page=page 405
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Biennials </b>or perennials, (2–)5–50(–60) cm (rarely slightly woody or flowering first year, sometimes cespitose or ± matted); proximal indument thinning with age, grayish, mostly arachnoid-sericeous to thinly lanuginose. <b>Stems</b> 1–25+, erect to spreading. <b>Leaves</b> basal, or basal (sometimes withering) and ± cauline, (1–)2–12(–15) cm; largest blades ± elliptic or slightly lanceolate to ovate, ± 3-dimensional, usually 2-pinnately lobed; primary lobes (4–)5–9(–12) pairs, ± congested, scarcely imbricate, ultimate lobes ± involute and/or twisted. <b>Heads</b> 1–25+ per stem. <b>Peduncles</b> mostly ascending to erect, 1–10 cm. <b>Involucres</b> obconic to ± hemispheric. <b>Phyllaries</b>: longest 9–15(–17) mm; outer usually stipitate-glandular (sometimes sparsely or obscurely, rarely eglandular) and, often, arachnoid to lanuginose and, sometimes, sparsely villous, apices usually ± squarrose, pliant. <b>Corollas</b> 5–8 mm. <b>Cypselae</b> 5–8 mm (usually sparsely glandular amidst other indument); pappi: longest scales 3–6 mm.</span><!--

-->{{Treatment/Body
|distribution=Alta.;B.C.;Ariz.;Calif.;Colo.;Idaho;Mont.;N.Dak.;N.Mex.;Nev.;Oreg.;S.Dak.;Utah;Wash.;Wyo.
|discussion=<p>Varieties 2 (2 in the flora).</p><!--
--><p><i>Chaenactis douglasii</i> is widespread and variable (see discussion under <i></i>var.<i> douglasii</i>).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaves basal (sometimes withering) and ± cauline; plants not or scarcely cespitose, not matted; stems usually 1–5(–12); heads (1–)2–25+ per stem
|[[Chaenactis douglasii var. douglasii|Chaenactis douglasii var. douglasii]]
|-id=key-0-1
|1
|Leaves strictly basal; plants cespitose or ± matted; stems (1–)10–25+; heads 1(–2) per stem
|[[Chaenactis douglasii var. alpina|Chaenactis douglasii var. alpina]]
|}
</div></div><!--

-->{{#Taxon:
name=Chaenactis douglasii
|authority=(Hooker) Hooker & Arnott
|rank=species
|parent rank=section
|synonyms=Macrocarphus douglasii
|basionyms=Hymenopappus douglasii
|family=Asteraceae
|distribution=Alta.;B.C.;Ariz.;Calif.;Colo.;Idaho;Mont.;N.Dak.;N.Mex.;Nev.;Oreg.;S.Dak.;Utah;Wash.;Wyo.
|reference=None
|publication title=Bot. Beechey Voy.,
|publication year=1839
|special status=Illustrated;Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V19-20-21/V21_1019.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
|genus=Chaenactis
|section=Chaenactis sect. Macrocarphus
|species=Chaenactis douglasii
}}<!--

-->

[[Category:Treatment]]
[[Category:Chaenactis sect. Macrocarphus]]
[[Category:Revision Pending]]