Senecio serra Hooker (Q2936)

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

    Statements

    taxon/id/Senecio serra Hooker
    0 references
    Senecio serra Hooker
    Senecio serra
    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 à feuilles dentées (French)
    tall ragwort (English)
    tall butterweed (English)
    butterweed groundsel (English)
    Herbage glabrous or lightly floccose-tomentose proximally when young.
    Stems single or loosely clustered.
    petiolate or subsessile;
    blades lanceolate or narrowly lanceolate to sublinear, 5–15 (–20+) × (1–) 1.5–4 cm, bases tapered, margins dentate to subentire (distal leaves smaller, bractlike).
    Heads 30–90+ in corymbiform to subpaniculiform arrays.
    Calyculi of 2–6 linear to filiform bractlets (0.5–5 mm).
    Phyllaries ± 8 or ca. 13, 4–9 mm, tips usually green, sometimes black.
    Ray-florets ± 5 or ± 8;
    corolla laminae 5–10 mm.