View source for Chaenactis douglasii var. alpina

{{Treatment/ID
|accepted_name=Chaenactis douglasii var. alpina
|accepted_authority=A. Gray in A. Gray et al.
|publications={{Treatment/Publication
|title=in A. Gray et al., Syn. Fl. N. Amer.
|place=1(2): 341. 1884
|year=1884
}}
|common_names=Alpine dustymaidens or pincushion
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Chaenactis alpina
|authority=(A. Gray) M. E. Jones
|rank=species
}} {{Treatment/ID/Synonym
|name=Chaenactis alpina var. leucopsis
|authority=(Greene) Stockwell
|rank=variety
}} {{Treatment/ID/Synonym
|name=Chaenactis alpina var. rubella
|authority=(Greene) Stockwell
|rank=variety
}} {{Treatment/ID/Synonym
|name=Chaenactis panamintensis
|authority=
|rank=species
}}
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Chaenactis;Chaenactis sect. Macrocarphus;Chaenactis douglasii;Chaenactis douglasii var. alpina
|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 class="higher-taxon"><small>variety</small>[[Chaenactis douglasii var. alpina]]</div></div>
|volume=Volume 21
|mention_page=page 405
|treatment_page=page 407
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> mostly (2–)5–10(–20) cm (cespitose to ± matted). <b>Stems</b> (1–)10–25+. <b>Leaves</b> strictly basal, to (1–)2–6 cm, indument persistent or glabrate. <b>Heads</b> 1(–2) per stem. <b>Phyllaries</b>: longest 9–12 mm; outer ± stipitate-glandular (rarely eglandular) and, often, arachnoid to lanuginose. <b>2n</b> = 12.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Sep.
|habitat=Rocky or gravelly alpine ridges, talus, fell-fields, rock crevices
|elevation=2700–4000 m
|distribution=Calif.;Colo.;Idaho;Mont.;Oreg.;Utah;Wyo.
|discussion=<p>In California, relatively few populations of <i>Chaenactis douglasii</i> approach typical <i></i>var.<i> alpina</i>. A report of <i></i>var.<i> alpina</i> from the Spring Mountains of Clark County, <i>Nevada</i> (P. Stockwell 1940, as <i>C. panamintensis</i>), could not be confirmed and was likely based on stunted <i></i>var.<i> douglasii</i>; it should be sought in the Carson, Ruby, and Snake ranges of northern <i>Nevada</i>. A report of <i></i>var.<i> alpina</i> from southern British Columbia has not been verified by me. Variety alpina is sometimes cultivated, especially for rock gardens, and it may be encountered outside its native range.</p><!--
--><p>Local populations of these largely alpine plants can appear highly distinctive and uniform, leading to their past recognition as a separate species. Across the range, most such populations intergrade continuously with local populations of <i></i>var.<i> douglasii</i>, as is often evident among specimens of the same gathering. The relative development of roots, stems, and branches appears highly mutable throughout <i>C. douglasii</i>.</p><!--
--><p><i>Chaenactis</i> pumila Greene was assigned to the variety or species alpina by R. D. Dorn (1988c), P. Stockwell (1940), and others; it is a small form of <i></i>var.<i> douglasii</i>, as assigned by D. C. Eaton in S. Watson (1871).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Chaenactis douglasii var. alpina
|authority=A. Gray in A. Gray et al.
|rank=variety
|parent rank=species
|synonyms=Chaenactis alpina;Chaenactis alpina var. leucopsis;Chaenactis alpina var. rubella;Chaenactis panamintensis
|basionyms=
|family=Asteraceae
|phenology=Flowering Jul–Sep.
|habitat=Rocky or gravelly alpine ridges, talus, fell-fields, rock crevices
|elevation=2700–4000 m
|distribution=Calif.;Colo.;Idaho;Mont.;Oreg.;Utah;Wyo.
|reference=None
|publication title=in A. Gray et al., Syn. Fl. N. Amer.
|publication year=1884
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_1021.xml
|tribe=Asteraceae tribe Heliantheae
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
|genus=Chaenactis
|section=Chaenactis sect. Macrocarphus
|species=Chaenactis douglasii
|variety=Chaenactis douglasii var. alpina
}}<!--

-->[[Category:Treatment]][[Category:Chaenactis douglasii]]