Senecio triangularis Hooker (Q2940)

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

    Statements

    taxon/id/Senecio triangularis Hooker
    0 references
    Senecio triangularis Hooker
    Senecio triangularis
    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 triangulaire (French)
    arrow-leaved ragwort (English)
    arrow-leaved groundsel (English)
    brook ragwort (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.
    1 reference
    Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
    1 reference
    Harms, V.L. 2003. Checklist of the Vascular Plants of Saskatchewan and the provincially and nationally rare native plants in Saskatchewan. University of Saskatchewan, University Extension Press.
    1 reference
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    Flowering summer.
    places
    open woodlands
    rocky stream banks
    coniferous forests
    Herbage glabrous or sparsely floccose-tomentose when young.
    Stems single or loosely clustered.
    blades narrowly triangular, (3–) 4–10+ × 2–6 cm, bases usually ± truncate, sometimes tapered, margins usually dentate, rarely subentire (distal leaves subsessile, smaller).
    Heads 10–30 (–60) in corymbiform to subracemiform arrays.
    Calyculi of 2–6 bractlets (rarely more than 2 mm).
    Phyllaries (± 8) ± 13 (± 21), 6–10 mm, tips usually green, rarely black.
    corolla laminae 9–15 mm.