Arnica griscomii Fernald (Q2841)

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

    Statements

    taxon/id/Arnica griscomii Fernald
    0 references
    Arnica griscomii Fernald
    Arnica griscomii
    Fernald
    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
    snow arnica (English)
    Griscom's arnica (English)
    arnica de Griscom (French)
    Snow arnica (English)
    Plants 5–40 cm.
    Stems usually simple, rarely branched.
    Leaves 1–4 pairs, mostly cauline;
    blades elliptic, lanceolate, oblanceolate, ovate, or spatulate, 1.2–10 × 0.5–3.5 cm, margins usually denticulate to dentate, rarely entire, apices acute to obtuse or abruptly pointed, faces usually glabrous or sparingly hispidulous-puberulent, rarely stipitate-glandular.
    Heads usually 1, sometimes 2–3 (erect or nodding).
    Involucres hemispheric to campanulate-turbinate (bases sparsely to densely pilose, hairs white or yellow).
    Phyllaries 9–20, lanceolate to oblanceolate, not stipitate-glandular.
    Ray-florets 6–17;
    Disc-florets: corollas yellow;
    Cypselae brown, 2.5–6 mm, abaxially glabrous, adaxially sparsely hirsute or glabrous throughout, rarely glandular;
    pappi white, bristles barbellate.