Wyethia amplexicaulis (Nuttall) Nuttall (Q2806)

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Wyethia amplexicaulis is a taxon with the rank species within the genus Wyethia
Language Label Description Also known as
English
Wyethia amplexicaulis (Nuttall) Nuttall
Wyethia amplexicaulis is a taxon with the rank species within the genus Wyethia

    Statements

    taxon/id/Wyethia amplexicaulis (Nuttall) Nuttall
    0 references
    Wyethia amplexicaulis (Nuttall) Nuttall
    Wyethia amplexicaulis
    (Nuttall) Nuttall
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 21: Magnoliophyta: Asteridae, part 8: Asteraceae, part 3. Oxford University Press, New York.
    accepted
    Wyethia amplexicaulis
    northern mule's-ears (English)
    smooth dwarf sunflower (English)
    Flowering May–Jul.
    wet to dry
    wet to open sites
    meadows
    sagebrush scrub
    yellow-pine forests
    Plants 25–50 (–100) cm.
    Basal leaves: blades (green, shining) lance-elliptic or oblong-lanceolate to lanceolate, 15–30 (–40+) cm, margins usually entire, sometimes denticulate or dentate, not ciliate, faces glabrous (glanddotted, vernicose);
    cauline leaves similar, smaller distally (distalmost sessile, usually ± clasping).
    Heads usually 2–8 in ± corymbiform to racemiform arrays, sometimes borne singly.
    Involucres hemispheric to turbinate, 15–30 mm diam.
    Phyllaries 18–36+, subequal or unequal, herbaceous (at least outer), margins not ciliate, faces glabrous;
    outer 18–32 mm (surpassing inner).
    Ray-florets 8–21 (–25);
    laminae 25–60 mm.