Spiraea douglasii Hooker (Q4430)

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Spiraea douglasii is a taxon with the rank species within the genus Spiraea
Language Label Description Also known as
English
Spiraea douglasii Hooker
Spiraea douglasii is a taxon with the rank species within the genus Spiraea

    Statements

    taxon/id/Spiraea douglasii Hooker
    0 references
    Spiraea douglasii Hooker
    Spiraea douglasii
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    Douglas' meadowsweet (English)
    Douglas' spiraea (English)
    hardhack (English)
    pink spiraea (English)
    western hardhack (English)
    spirée de Douglas (French)
    Douglas’ or rose spiraea (English)
    western hardhack (English)
    Shrubs, 10–30 dm.
    Stems erect to ascending, branched.
    Leaves: petiole 3–5 mm;
    blade bicolorous, elliptic to obovate, 3–10 × 0.5–4 cm, chartaceous, base cuneate, margins serrate distally from middle, venation pinnate craspedodromous, secondary-veins prominent, apex acute to obtuse, abaxial surface lanate to tomentose, glabrous, or pubescent, adaxial glabrous.
    Inflorescences mostly terminal, conic panicles, [5–] 8–25 × 3–6 [–10] cm height 2–4 times diam. branches glabrous or glabrescent to tomentose.
    Pedicels 1–3 mm, glabrous or tomentose.
    Flowers 2–4 mm diam.;
    hypanthia hemispheric, 1 mm, abaxial surface tomentose, adaxial glabrous;
    sepals ovate, 1 mm;
    petals light to dark-pink, ovate to obovate, 1–2 mm;
    stamens 25–35, 2–3 times petal length.
    Follicles oblanceoloid, 2.5–3 mm, shiny, glabrous, adaxial suture sometimes ciliate.