Arnica lanceolata Nuttall (Q2844)

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Arnica lanceolata is a taxon with the rank species within the genus Arnica
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English
Arnica lanceolata Nuttall
Arnica lanceolata is a taxon with the rank species within the genus Arnica

    Statements

    taxon/id/Arnica lanceolata Nuttall
    0 references
    Arnica lanceolata Nuttall
    Arnica lanceolata
    Nuttall
    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
    lance-leaved arnica (English)
    New England arnica (English)
    lance-leaved leopardbane (English)
    arnica à aigrette brune (French)
    Plants (5–) 20–80 cm.
    Stems solitary to densely clumped, simple or branched among heads.
    Leaves 4–8 (–10) pairs, mostly cauline;
    usually sessile (sometimes with partly connate-sheathing bases), sometimes petiolate (proximalmost);
    blades lance-elliptic, lanceolate, oblanceolate, obovate, or ovate, 4–12 (–20) × (1–) 2–6 (–8) cm, margins subentire to dentate-serrate, apices usually acute, rarely obtuse, faces glabrate to pilose.
    Heads (1–) 3–10 (–20).
    Involucres narrowly campanulate to turbinate.
    Phyllaries 8–15 (–19), narrowly to broadly lanceolate.
    Ray-florets (5–) 7–17 (–20);
    Disc-florets: corollas yellow;
    Cypselae brown, 4–8 mm, sparsely hirsutulous, stipitate-glandular;
    pappi tawny, bristles subplumose.