Solidago rigida Linnaeus (Q2327)

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Solidago rigida is a taxon with the rank species within the section Solidago sect. Ptarmicoidei
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English
Solidago rigida Linnaeus
Solidago rigida is a taxon with the rank species within the section Solidago sect. Ptarmicoidei

    Statements

    taxon/id/Solidago rigida Linnaeus
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    Solidago rigida Linnaeus
    Solidago rigida
    Linnaeus
    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
    stiff goldenrod (English)
    stiff-leaved goldenrod (English)
    rigid goldenrod (English)
    verge d'or rigide (French)
    Stiff-leaved goldenrod (English)
    Plants 30–150 cm;
    caudices branching, woody.
    Stems 1–10+, erect, stout, hairy.
    Leaves: basal and proximal cauline usually present at flowering, abruptly narrowed to long-petioles, blades ovate to rhombic, 80–200 × 24–50 mm, firm, flat, margins entire to crenate, sometimes undulate, apices obtuse to acute, faces densely hairy;
    mid to distal cauline sessile, blades ovate, 30–50 × 15–17 mm, stiff, greatly reduced distally, margins entire or finely serrate, sometimes undulate, apices acute to obtuse.
    Heads 9–190, in corymbiform arrays, compact or branches long and spreading, densely hairy throughout.
    Peduncles 3–15 mm, strigillose-canescent, bracteoles 1–3, linear-lanceolate.
    Involucres campanulate, 6–8 mm.
    Ray-florets 6–13;
    laminae 1.4–5.4 × 1.2–1.9 mm.
    Disc-florets 14–35;
    corollas 4.3–6.1 mm, lobes 0.6–1.1 mm.
    Cypselae (obconic) 0.8–1.7 mm (ribbed), glabrous or strigillose apically;
    pappi 3–4 mm.