Difference between revisions of "Chaenactis douglasii"
Bot. Beechey Voy., 354. 1839.
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|common_names=Hoary pincushion;Douglas’s dustymaiden | |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 | |basionyms={{Treatment/ID/Basionym | ||
|name=Hymenopappus douglasii | |name=Hymenopappus douglasii | ||
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-->{{Treatment/Body | -->{{Treatment/Body | ||
| − | |distribution= | + | |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><!-- | |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> | --><p><i>Chaenactis douglasii</i> is widespread and variable (see discussion under <i></i>var.<i> douglasii</i>).</p> | ||
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|basionyms=Hymenopappus douglasii | |basionyms=Hymenopappus douglasii | ||
|family=Asteraceae | |family=Asteraceae | ||
| − | |distribution= | + | |distribution=Alta.;B.C.;Ariz.;Calif.;Colo.;Idaho;Mont.;N.Dak.;N.Mex.;Nev.;Oreg.;S.Dak.;Utah;Wash.;Wyo. |
|reference=None | |reference=None | ||
|publication title=Bot. Beechey Voy., | |publication title=Bot. Beechey Voy., | ||
|publication year=1839 | |publication year=1839 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |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 | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae | ||
Revision as of 20:53, 27 May 2020
Biennials 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. Stems 1–25+, erect to spreading. Leaves 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. Heads 1–25+ per stem. Peduncles mostly ascending to erect, 1–10 cm. Involucres obconic to ± hemispheric. Phyllaries: 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. Corollas 5–8 mm. Cypselae 5–8 mm (usually sparsely glandular amidst other indument); pappi: longest scales 3–6 mm.
Distribution
Alta., B.C., Ariz., Calif., Colo., Idaho, Mont., N.Dak., N.Mex., Nev., Oreg., S.Dak., Utah, Wash., Wyo.
Discussion
Varieties 2 (2 in the flora).
Chaenactis douglasii is widespread and variable (see discussion under var. douglasii).
Selected References
None.
Key
| 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 |
| 1 | Leaves strictly basal; plants cespitose or ± matted; stems (1–)10–25+; heads 1(–2) per stem | Chaenactis douglasii var. alpina |