Arnica louiseana Farr (Q2832)

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Arnica louiseana is a taxon with the rank species within the genus Arnica
Language Label Description Also known as
English
Arnica louiseana Farr
Arnica louiseana is a taxon with the rank species within the genus Arnica

    Statements

    taxon/id/Arnica louiseana Farr
    0 references
    Arnica louiseana Farr
    Arnica louiseana
    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
    arnica du lac Louise (French)
    Lake Louise arnica (English)
    snow arnica (English)
    Lake Louise arnica (English)
    snow arnica (English)
    1 reference
    Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
    1 reference
    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
    1 reference
    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
    Flowering Jul–Aug.
    tundra slopes
    calcareous
    1800–2100 m
    Leaves 1–3 pairs, mostly cauline (shorter plants often with leaves crowed mostly toward bases);
    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.
    Heads usually 1, sometimes 2–3 (nodding at flowering).
    Involucres campanulate-turbinate.
    Phyllaries 10–20, narrowly lanceolate (stipitate-glandular).
    Ray-florets 7–10;
    Disc-florets: corollas 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.