Townsendia exscapa (Richardson) Porter (Q2525)

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Townsendia exscapa is a taxon with the rank species within the genus Townsendia
Language Label Description Also known as
English
Townsendia exscapa (Richardson) Porter
Townsendia exscapa is a taxon with the rank species within the genus Townsendia

    Statements

    taxon/id/Townsendia exscapa (Richardson) Porter
    0 references
    Townsendia exscapa (Richardson) Porter
    Townsendia exscapa
    (Richardson) Porter
    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
    townsendie acaule (French)
    stemless townsendia (English)
    dwarf townsendia (English)
    low townsendia (English)
    stemless Townsend daisy (English)
    low Townsend daisy (English)
    silky townsend daisy (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/
    1 reference
    Moss, E.H. 1983. Flora of Alberta. 2nd edition, revised by J.G. Packer. University of Toronto Press, Toronto. 687 pp.
    1 reference
    Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
    Mexico (Chihuahua)
    Flowering Mar–Jun(–Aug).
    openings
    pine forests
    meadows
    gravelly hills
    sandy soils
    (1300–)1600–2300(–3300) m
    internodes 0.1–1 mm, ± hirsute to strigose or glabrate.
    Leaves basal and cauline, blades ± spatulate to narrowly oblanceolate or linear, 12–40 (–75) × 2–6+ mm, not fleshy, faces ± strigillose.
    Heads ± sessile (usually nestled among rosette leaves).
    Involucres ± hemispheric, (10–) 12–25+ mm diam.
    Phyllaries 30–45 (–60) in 4–6+ series, the longer narrowly lanceolate or linear to subulate, (10–) 12–14 (–17) mm (l/w = 6–9), apices obtuse to acute, abaxial faces sparsely strigillose or glabrate.
    Ray-florets 11–40;
    corollas white adaxially, laminae (9–) 12–18+ mm, glabrous abaxially.
    Disc-florets 100–150+;
    corollas 6.5–9 (–12+) mm.
    Cypselae 4 (–6+) mm, faces hairy, hair tips glochidiform;
    on ray cypselae 20–30 setiform scales 6–8+ mm;
    on disc cypselae 20–30+ setiform scales 6.5–11+ mm.