Difference between revisions of "Douglasia montana"
Proc. Amer. Acad. Arts 7: 371. 1868 ,.
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|common_names=Rocky Mountain dwarf primrose | |common_names=Rocky Mountain dwarf primrose | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Douglasia biflora | |name=Douglasia biflora | ||
|authority=A. Nelson | |authority=A. Nelson | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Douglasia montana var. biflora | |name=Douglasia montana var. biflora | ||
|authority=(A. Nelson) R. Knuth | |authority=(A. Nelson) R. Knuth | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Primulaceae;Douglasia;Douglasia montana | |hierarchy=Primulaceae;Douglasia;Douglasia montana | ||
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|elevation=1000-3500 m | |elevation=1000-3500 m | ||
|distribution=Alta.;Idaho;Mont.;Wyo. | |distribution=Alta.;Idaho;Mont.;Wyo. | ||
| − | |discussion=<p>Specimens of <i>Douglasia montana</i> from Wyoming tend to have two flowers per inflorescence (once recognized as < | + | |discussion=<p>Specimens of <i>Douglasia montana</i> from Wyoming tend to have two flowers per inflorescence (once recognized as <i></i>var.<i> biflora</i>); those from the northern part of the range tend to have only one. Because both one- and two-flowered inflorescences occur together on individual plants throughout the range, and no other morphological differences separate the forms, the varietal distinction is not recognized here.</p><!-- |
--><p>In Alberta, <i>Douglasia montana</i> is known only from Waterton Lakes National Park near the Montana border.</p> | --><p>In Alberta, <i>Douglasia montana</i> is known only from Waterton Lakes National Park near the Montana border.</p> | ||
|tables= | |tables= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Douglasia montana | name=Douglasia montana | ||
| − | |||
|authority=A. Gray | |authority=A. Gray | ||
|rank=species | |rank=species | ||
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|publication title=Proc. Amer. Acad. Arts | |publication title=Proc. Amer. Acad. Arts | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V8/V8_545.xml |
|genus=Douglasia | |genus=Douglasia | ||
|species=Douglasia montana | |species=Douglasia montana | ||
Latest revision as of 22:44, 5 November 2020
Plants loosely cespitose cushions with branched caudex. Stems prostrate to ascending with marcescent, imbricate, gray to light brown leaves. Leaves spreading to erect, thin; blade linear-subulate, 4–10 × 0.5 mm, margins entire, ciliolate, hairs simple, apex acute, surfaces glabrous. Scapes 5–20 mm, elongating little in fruit, densely hairy, hairs branched and stellate. Inflorescences 1–2-flowered, ebracteate or bracteate; bracts 1–3, subulate, 2–3 × 0.5 mm, hairy, hairs simple or forked. Pedicels present, 0.5–10 mm. Flowers: calyx 4–8 × 3–5 mm, glabrous or slightly hairy, hairs branched and stellate; corolla rose-pink, limb 6–10 mm diam., lobes 3–5 × 1–2 mm, margins erose or entire.
Phenology: Flowering early-mid summer.
Habitat: Foothills, open ridges, scree slopes
Elevation: 1000-3500 m
Distribution
Alta., Idaho, Mont., Wyo.
Discussion
Specimens of Douglasia montana from Wyoming tend to have two flowers per inflorescence (once recognized as var. biflora); those from the northern part of the range tend to have only one. Because both one- and two-flowered inflorescences occur together on individual plants throughout the range, and no other morphological differences separate the forms, the varietal distinction is not recognized here.
In Alberta, Douglasia montana is known only from Waterton Lakes National Park near the Montana border.
Selected References
None.