Packera streptanthifolia (Greene) W. A. Weber & Á. Löve (Q2914)

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Packera streptanthifolia is a taxon with the rank species within the genus Packera
Language Label Description Also known as
English
Packera streptanthifolia (Greene) W. A. Weber & Á. Löve
Packera streptanthifolia is a taxon with the rank species within the genus Packera

    Statements

    taxon/id/Packera streptanthifolia (Greene) W.A. Weber & Á. Löve
    0 references
    Packera streptanthifolia (Greene) W.A. Weber & Á. Löve
    Packera streptanthifolia
    (Greene) W.A. Weber & Á. Löve
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
    accepted
    Packera streptanthifolia
    (Greene) W.A. Weber & Á. Löve
    Rocky Mountain groundsel (English)
    Rocky Mountain butterweed (English)
    northern groundsel (English)
    northern ragwort (English)
    séneçon des Rocheuses (French)
    Rocky Mountain groundsel (English)
    Flowering late May–late Aug.
    forests
    open meadows
    valleys
    dry to damp
    1000–3400 m
    Stems 1 or 2–5, clustered, usually glabrous, sometimes sparsely floccose-tomentose proximally and in leaf-axils.
    Basal leaves (and proximal cauline, relatively thick and turgid) petiolate;
    blades spatulate to oblanceolate, or ovate to orbiculate, 20–40+ × 10–30+ mm, bases tapering to abruptly contracted or subcordate, margins entire, crenate, dentate, or weakly lobulate (faces usually glabrous, sometimes hairy).
    Cauline leaves gradually to abruptly reduced (± petiolate or sessile; entire or subentire).
    Heads 2–20+ in loose, corymbiform or subumbelliform arrays.
    Peduncles bracteate, glabrous or sparsely tomentose.
    Calyculi conspicuous.
    Ray-florets 8 or 13;
    corolla laminae 5–10 mm.
    Disc-florets 35–60+;
    corolla-tubes 2–4 mm, limbs 2.5–4 mm.
    Cypselae 1–2.5 mm, glabrous;
    pappi 3–6 mm. 2n = 46, 92.