Erigeron trifidus Hooker (Q2209)

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

    Statements

    taxon/id/Erigeron trifidus Hooker
    0 references
    Erigeron trifidus Hooker
    Erigeron trifidus
    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
    vergerette trifide (French)
    three-lobed fleabane (English)
    three-forked fleabane (English)
    trifid-leaved fleabane (English)
    three-lobed daisy (English)
    Alberta fleabane (English)
    Alberta fleabane (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 Jul–Aug.
    dry talus
    scree slopes
    upper alpine zone
    ca. 2600–3400 m
    taprooted, caudex branches rhizomelike, relatively thick to thin, woody.
    Stems mostly erect, hispido-hirsute, sometimes woolly distally, minutely glandular.
    Leaves basal (persistent);
    blades spatulate to obovate-spatulate, 8–30 × 3–6 mm, margins usually 3-lobed, sometimes 2-lobed or entire (lobes 3–8 mm, lanceolate to narrowly ovate or oblong, apices usually acute), ultimately entire, coarsely ciliate, faces hirsute, minutely glandular.
    Involucres 8–12 × 10–15 mm.
    Ray-florets 20–40;
    corollas white to pinkish, 10–15 mm, laminae not coiling or reflexing.
    Disc corollas 3.5–4.5 mm.
    Cypselae 2–2.5 mm, 2-nerved, faces sparsely strigose;
    pappi: outer of setae, inner of 15–20 bristles (not twisted).