Packera glabella (Poiret) C. Jeffrey (Q2896)

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Packera glabella is a taxon with the rank species within the genus Packera
Language Label Description Also known as
English
Packera glabella (Poiret) C. Jeffrey
Packera glabella is a taxon with the rank species within the genus Packera

    Statements

    taxon/id/Packera glabella (Poiret) C. Jeffrey
    0 references
    Packera glabella (Poiret) C. Jeffrey
    Packera glabella
    (Poiret) C. Jeffrey
    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
    séneçon glabre (French)
    cress-leaved groundsel (English)
    butterweed (English)
    Butterweed (English)
    1 reference
    Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
    Flowering (Feb–)mid Mar–late May.
    wet areas
    woodlands
    stream banks
    roadsides
    meadows
    marshes
    fallow fields
    Stems 1 (striated, frequently hollow, often pink to purple-tinged), glabrous or leaf-axils sparsely tomentose.
    Basal leaves (and proximal cauline) obscurely petiolate;
    blades obovate to oblanceolate, sometimes lyrate (lateral lobes to 5 pairs, terminal lobes larger than laterals), 50–150+ × 10–30+ mm, bases tapering, ultimate margins crenate to irregularly undulate.
    Cauline leaves gradually reduced (weakly clasping, similar to basal).
    Heads 8–30+ in umbelliform or cymiform arrays (robust plants with multiple arrays).
    Peduncles bracteate, glabrous or bases tomentose.
    Calyculi conspicuous (bractlets 2.5–4 mm).
    Ray-florets (8–) 13;
    corolla laminae 7–9 mm.
    Disc-florets 35–50+;
    corolla-tubes 2.5–3.5 mm, limbs 2–3 mm.
    Cypselae 1–1.5 mm, sparsely hirtellous on ribs or glabrous;
    pappi 3–4 mm. 2n = 46.