Erigeron filifolius (Hooker) Nuttall (Q2189)

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Erigeron filifolius is a taxon with the rank species within the genus Erigeron
Language Label Description Also known as
English
Erigeron filifolius (Hooker) Nuttall
Erigeron filifolius is a taxon with the rank species within the genus Erigeron

    Statements

    taxon/id/Erigeron filifolius (Hooker) Nuttall
    0 references
    Erigeron filifolius (Hooker) Nuttall
    Erigeron filifolius
    (Hooker) 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
    vergerette à feuilles filiformes (French)
    thread-leaved fleabane (English)
    thread-leaved daisy (English)
    Thread-leaf fleabane (English)
    Flowering May–Aug.
    sandy soil
    lava beds
    bitterbrush
    sagebrush
    juniper
    ponderosa pine
    taprooted, caudices multicipital, often with relatively short and thin, stemlike, lignescent branches.
    Stems erect, sparsely to densely strigose (hairs loosely appressed to ascending, fine), densely white-strigose at least proximally, eglandular.
    Leaves basal (usually persistent, not clustered as rosettes) and cauline;
    basal blades linear to filiform, 10–80 × 0.5–2.5 (–3.5) mm, cauline gradually or little reduced distally, margins entire, faces sparsely to moderately strigose, eglandular.
    Heads 1–5 (–10+) from distal branches, tending to in corymbiform arrays.
    Involucres 4–7 × 5–-18 mm.
    Ray-florets (15–) 20–125;
    corollas usually blue, sometimes white, pink, or pale lavender, 3–13 mm, laminae coiling.
    Disc corollas 2.5–5.5 mm.
    Cypselae 1.4–1.8 (–2) mm, 2-nerved, faces sparsely strigose to glabrate;
    pappi: outer of setae, inner of 20–30 bristles.