Difference between revisions of "Arnica louiseana"

Farr

Ottawa Naturalist 20: 109. 1906.

Common names: Lake Louise arnica snow arnica
Endemic
Treatment appears in FNA Volume 21. Treatment on page 371. Mentioned on page 368.
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|common_names=Lake Louise arnica;snow arnica
 
|common_names=Lake Louise arnica;snow arnica
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|special_status={{Treatment/ID/Special_status
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|code=E
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|label=Endemic
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name=Arnica louiseana
 
name=Arnica louiseana
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|rank=species
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|publication title=Ottawa Naturalist
 
|publication title=Ottawa Naturalist
 
|publication year=1906
 
|publication year=1906
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|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_928.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_928.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae

Latest revision as of 20:15, 5 November 2020

Plants 5–20 cm. Stems simple. Leaves 1–3 pairs, mostly cauline (shorter plants often with leaves crowed mostly toward bases); petiolate; blades elliptic, oblong, or ovate-lanceolate, 1.5–7.5 × 0.5–2 cm, margins usually entire, rarely denticulate or slightly undulate, apices usually obtuse, sometimes acute or acuminate, faces glabrous or hispidulous-puberulent, ± densely stipitate-glandular. Heads usually 1, sometimes 2–3 (nodding at flowering). Involucres campanulate-turbinate. Phyllaries 10–20, narrowly lanceolate (stipitate-glandular). Ray florets 7–10; corollas yellow. Disc florets: corollas yellow; anthers yellow. Cypselae brown, 3–5 mm, abaxially glabrous, adaxially sparsely hirsute or glabrous throughout, usually stipitate-glandular toward apices, sometimes densely stipitate-glandular throughout; pappi white, bristles barbellate. 2n = 76, 95.


Phenology: Flowering Jul–Aug.
Habitat: Exposed tundra slopes and calcareous rock slides
Elevation: 1800–2100 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Arnica louiseana"
Steven J. Wolf +
Lake Louise arnica +  and snow arnica +
Alta. +  and B.C. +
1800–2100 m +
Exposed tundra slopes and calcareous rock slides +
Flowering Jul–Aug. +
Ottawa Naturalist +
Undefined (tribe Undefined) subtribe Bahiinae +  and Undefined (tribe Undefined) subtribe Palafoxiinae +
Arnica louiseana +
species +