Euthamia occidentalis Nuttall (Q2252)

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Euthamia occidentalis is a taxon with the rank species within the genus Euthamia
Language Label Description Also known as
English
Euthamia occidentalis Nuttall
Euthamia occidentalis is a taxon with the rank species within the genus Euthamia

    Statements

    taxon/id/Euthamia occidentalis Nuttall
    0 references
    Euthamia occidentalis Nuttall
    Euthamia occidentalis
    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
    Euthamia occidentalis
    verge d'or de l'Ouest (French)
    western goldenrod (English)
    western fragrant goldenrod (English)
    western goldentop (English)
    Western goldentop (English)
    1 reference
    Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
    Mexico (Baja California)
    Flowering Jul–Nov.
    moist to wet soils
    streambeds
    lake shores
    fresh to saline marshes
    Perennials or subshrubs, 40–200 cm.
    Stems (erect, stout) glabrous, glaucous.
    Leaves spreading-ascending to erect;
    blades 3-nerved or -5-nerved, linear, 82–100 × 4.3–10 mm, lengths 10–27 times widths, gradually to abruptly reduced distally, herbaceous to firm-herbaceous, margins scabrous, apices abruptly acute to acuminate, faces ± gland-dotted (18–56 dots per mm²), adaxial and vein-axils often sparsely hairy.
    Heads mostly pedunculate, in relatively narrow, elongate arrays 33–60% of plant heights (often interrupted and with multiple levels).
    Involucres campanulate, 3.7–4.9 mm.
    Phyllaries stramineous, sometimes green-tipped, outer narrowly lanceolate, inner linear (firm), apices acute to acuminate.
    Ray-florets (15–) 17–22 (–28).
    Disc-florets (7–) 9–11 (–18);
    corollas 3.1–4.2 mm. 2n = 18.