Chaenactis douglasii (Hooker) Hooker & Arnott (Q2550)

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Chaenactis douglasii is a taxon with the rank species within the genus Chaenactis
Language Label Description Also known as
English
Chaenactis douglasii (Hooker) Hooker & Arnott
Chaenactis douglasii is a taxon with the rank species within the genus Chaenactis

    Statements

    taxon/id/Chaenactis douglasii (Hooker) Hooker & Arnott
    0 references
    Chaenactis douglasii (Hooker) Hooker & Arnott
    Chaenactis douglasii
    (Hooker) Hooker & Arnott
    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
    Douglas' dustymaiden (English)
    hoary false yarrow (English)
    hoary pincushion (English)
    chénacte de Douglas (French)
    Hoary pincushion (English)
    Douglas’s dustymaiden (English)
    proximal indument thinning with age, grayish, mostly arachnoid-sericeous to thinly lanuginose.
    Stems 1–25+, erect to spreading.
    Leaves basal, or basal (sometimes withering) and ± cauline, (1–) 2–12 (–15) cm;
    largest blades ± elliptic or slightly lanceolate to ovate, ± 3-dimensional, usually 2-pinnately lobed;
    primary lobes (4–) 5–9 (–12) pairs, ± congested, scarcely imbricate, ultimate lobes ± involute and/or twisted.
    Heads 1–25+ per stem.
    Peduncles mostly ascending to erect, 1–10 cm.
    Involucres obconic to ± hemispheric.
    Phyllaries: longest 9–15 (–17) mm;
    outer usually stipitate-glandular (sometimes sparsely or obscurely, rarely eglandular) and, often, arachnoid to lanuginose and, sometimes, sparsely villous, apices usually ± squarrose, pliant.
    Corollas 5–8 mm.
    Cypselae 5–8 mm (usually sparsely glandular amidst other indument);
    pappi: longest scales 3–6 mm.