Senecio hydrophilus Nuttall (Q2932)

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Senecio hydrophilus is a taxon with the rank species within the genus Senecio
Language Label Description Also known as
English
Senecio hydrophilus Nuttall
Senecio hydrophilus is a taxon with the rank species within the genus Senecio

    Statements

    taxon/id/Senecio hydrophilus Nuttall
    0 references
    Senecio hydrophilus Nuttall
    Senecio hydrophilus
    Nuttall
    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 hydrophile (French)
    water ragwort (English)
    alkali marsh ragwort (English)
    water groundsel (English)
    great swamp ragwort (English)
    alkali marsh butterweed (English)
    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.
    marshes
    swampy places
    standing water
    alkaline sites
    (0–)200–2500 m
    Herbage (often sea-green, usually glaucous) glabrous.
    Stems single or 2–4 loosely clustered.
    blades elliptic to oblanceolate, 5–20+ × (1–) 2–10 cm, bases tapered, margins denticulate or entire (mid and distal leaves sessile, bractlike).
    Heads 20–40 (–80+) in compound corymbiform arrays.
    Calyculi of 2–4+ bractlets (less than 2 mm).
    Phyllaries ± 8 or ± 13, 5–8 mm, tips frequently black.
    Ray-florets (0) ca. 5;
    corolla laminae 3–5 mm.