Arnica louiseana Farr (Q2832)
Arnica louiseana is a taxon with the rank species within the genus Arnica
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Arnica louiseana Farr
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Arnica louiseana is a taxon with the rank species within the genus Arnica
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Statements
taxon/id/Arnica louiseana Farr
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Arnica louiseana Farr
Arnica louiseana
Farr
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
accepted
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CA-AB
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Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
CA-BC
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Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
Newfoundland, CA
excluded
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Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm
CA-AB
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CA-BC
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1800–2100 m
1,800 meter
2,100 meter
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Leaves 1–3 pairs, mostly cauline (shorter plants often with leaves crowed mostly toward bases);
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blades elliptic, oblong, or ovatelanceolate, 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.
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Heads usually 1, sometimes 2–3 (nodding at flowering).
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Involucres campanulate-turbinate.
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Phyllaries 10–20, narrowly lanceolate (stipitate-glandular).
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Disc-florets: corollas yellow;
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Cypselae brown, 3–5 mm, abaxially glabrous, adaxially sparsely hirsute or glabrous throughout, usually stipitate-glandular toward apices, sometimes densely stipitate-glandular throughout;
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pappi white, bristles barbellate.
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hispidulous-puberulent
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stipitate-glandular
more or less densely
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stipitate-glandular
sometimes densely; throughout
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