Arnica sororia Greene (Q2837)

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

    Statements

    taxon/id/Arnica sororia Greene
    0 references
    Arnica sororia Greene
    Arnica sororia
    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 parente (French)
    twin arnica (English)
    bunch arnica (English)
    twin leopardbane (English)
    Twin 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.
    1 reference
    Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
    Flowering May–Jul.
    prairies
    grasslands
    montane conifer forests
    Plants 15–50 cm.
    Stems (1 or relatively few) simple or branched.
    petiolate (petioles, at least basal, narrowly winged);
    blades (with 3 or 5, prominent, subparallel veins) oblanceolate to narrowly oblong, 3.5–14.5 × 0.6–2.4 cm, margins usually entire, rarely denticulate, apices obtuse, faces uniformly hairy, stipitate-glandular.
    Involucres hemispheric.
    Phyllaries 13–20, usually narrowly, sometimes broadly, lanceolate.
    Ray-florets 9–17;
    corollas yellow-orange.
    Disc-florets: corollas yellow;
    Cypselae brown, 3.5–5 mm, densely hirsute, sometimes sparingly glandular as well;
    pappi white, bristles barbellate.