Senecio hydrophiloides Rydberg (Q2931)

From Canadian Flora Commons
Jump to navigation Jump to search
Senecio hydrophiloides is a taxon with the rank species within the genus Senecio
Language Label Description Also known as
English
Senecio hydrophiloides Rydberg
Senecio hydrophiloides is a taxon with the rank species within the genus Senecio

    Statements

    taxon/id/Senecio hydrophiloides Rydberg
    0 references
    Senecio hydrophiloides Rydberg
    Senecio hydrophiloides
    Rydberg
    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
    Senecio hydrophiloides
    séneçon hydrophiloïde (French)
    sweet marsh ragwort (English)
    stout meadow groundsel (English)
    tall groundsel (English)
    sweet marsh butterweed (English)
    1 reference
    Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
    1 reference
    Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
    Flowering spring–early summer.
    hillsides
    non-alkaline meadows
    seepage sites
    1200–2200 m
    Herbage usually glabrous or glabrescent (young plants sparsely tomentose).
    Stems usually single, sometimes 2–4 clustered (sometimes reddish-tinged).
    usually petiolate (petioles often winged);
    blades elliptic to broadly lanceolate, 5–15 (–20) × 2–7 cm, bases broadly to narrowly tapered, margins dentate to denticulate (distal leaves sessile, bractlike).
    Heads (6–) 15–30+ in congested or loose, corymbiform arrays.
    Calyculi of 2–5 bractlets (less than 2 mm).
    Phyllaries (± 8) ± 13 (± 21), 4–9 mm, tips (minutely to prominently) black.
    Ray-florets 0 or (± 3 or 5) ± 8;
    corolla laminae 5–10 mm.