Euthamia gymnospermoides Greene (Q2251)

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

    Statements

    taxon/id/Euthamia gymnospermoides Greene
    0 references
    Euthamia gymnospermoides Greene
    Euthamia gymnospermoides
    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 gymnospermoides
    verge d'or du Texas (French)
    viscid bushy goldenrod (English)
    viscid grass-leaved goldenrod (English)
    Great Plains goldentop (English)
    Texas goldentop (English)
    Great Plains flat-top goldenrod (English)
    Great Plains goldentop (English)
    1 reference
    Reznicek, A.A., E.G. Voss & B. S. Walters. 2011. MICHIGAN FLORA ONLINE. University of Michigan. Web. 9-27-2013 [February 2011]. http://michiganflora.net/home.aspx http://michiganflora.net/home.aspx
    Flowering Aug–Sep.
    Perennials or subshrubs, 40–150 cm.
    Stems (simple or branched) glabrous or with scabrous lines, not glaucous.
    Leaves usually ascending;
    blades (1–) 3-nerved or -5-nerved, linear to lanceolate, 40–100 (–120) × 1.4–4 (–8) mm, lengths 12–49 time widths, gradually reduced distally, firm-herbaceous, margins scabrous, apices acuminate, faces abundantly and prominently gland-dotted (29–49 dots per mm²), glabrous or midveins with hairs.
    Heads (some or all) pedunculate (rarely all glomerate), usually in flat-topped to slightly rounded, arrays (25–) 35–60% of plant heights.
    Involucres obconic, (4–) 4.5–6.2 mm.
    Phyllaries usually green-tipped, outer ovate, inner linear-oblong, apices obtuse to acute (± strongly resinous).
    Ray-florets 9–13 (–16).
    Disc-florets 3–9;
    corollas (3–) 3.3–4.8 mm. 2n = 36, 54.