Chrysothamnus viscidiflorus (Hooker) Nuttall (Q2155)

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

    Statements

    taxon/id/Chrysothamnus viscidiflorus (Hooker) Nuttall
    0 references
    Chrysothamnus viscidiflorus (Hooker) Nuttall
    Chrysothamnus viscidiflorus
    (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
    Chrysothamnus viscidiflorus
    bigelovie visqueuse (French)
    sticky-leaved rabbitbrush (English)
    yellow rabbitbrush (English)
    green rabbitbrush (English)
    Douglas' rabbitbrush (English)
    Yellow or sticky-leaf rabbitbrush (English)
    with woody, branched caudices, bark whitish tan, becoming gray, flaky and fibrous with age.
    Stems ascending, green, soon becoming tan, glabrous or puberulent, sometimes resin-dotted, often resinous.
    blades with evident midnerves plus sometimes 1–2 pairs of smaller, collateral nerves, linear to lanceolate, 10–75 × 0.5–10 mm, flat or sulcate, often twisted, margins often undulate, sometimes ciliate, apices acute to apiculate, faces glabrous or puberulent.
    Heads in dense, rounded cymiform arrays (to 7 cm wide), not overtopped by distal leaves.
    Involucres cylindric to obconic or campanulate, 4–7 × 1.5–2.5 mm.
    Phyllaries 12–24 in 3–5 series, in spirals or weak vertical ranks, mostly tan, green to brown subapical patch often present, midnerves usually evident (at least distally), linear-oblong, lanceolate to elliptic or obovate to spatulate, 1–5 × 0.5–1.2 mm, unequal, chartaceous, margins scarious, eciliate or ciliolate to erose-ciliolate, flat or convex, sometimes weakly keeled, apices acute to obtuse or rounded, sometimes apiculate, flat, faces glabrous or puberulent.
    Disc-florets (3–) 4–5 (–14);
    corollas 3.5–6.5 mm, lobes 0.7–1.7 mm;
    style-branches 2.2–3.2 mm (exserted beyond spreading corolla lobes), appendages 0.8–1.5 mm (length shorter than stigmatic portion).
    Cypselae tan to reddish-brown, turbinate, 2.5–4.2 mm, ± 5-angled, moderately to densely hairy;
    pappi tan, 3.5–6 mm.