Arnica angustifolia Vahl in G. C. Oeder et al. (Q2838)

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Arnica angustifolia is a taxon with the rank species within the genus Arnica
Language Label Description Also known as
English
Arnica angustifolia Vahl in G. C. Oeder et al.
Arnica angustifolia is a taxon with the rank species within the genus Arnica

    Statements

    taxon/id/Arnica angustifolia Vahl
    0 references
    Arnica angustifolia Vahl
    Arnica angustifolia
    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
    narrow-leaved arnica (English)
    alpine arnica (English)
    arnica à feuilles étroites (French)
    Narrowleaf arnica (English)
    Stems usually simple, rarely branched.
    Leaves 1–5 pairs, mostly cauline;
    petiolate (petioles broadly to narrowly winged, shorter than blades);
    blades broadly lanceolate to linear, 2–20 × 0.3–4 cm, margins entire or irregularly denticulate or dentate, apices acute or acuminate, faces glabrous or densely woolly-villous and stipitate-glandular.
    Heads 1–3 (–5; erect).
    Involucres hemispheric.
    Phyllaries 9–22, usually narrowly to broadly lanceolate, sometimes oblanceolate.
    Ray-florets 6–16;
    Disc-florets: corollas yellow;
    Cypselae brown, 3–8 mm, densely hirsute, rarely glandular;
    pappi white, bristles barbellate.