Achillea alpina Linnaeus (Q2104)

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Achillea alpina is a taxon with the rank species within the genus Achillea
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English
Achillea alpina Linnaeus
Achillea alpina is a taxon with the rank species within the genus Achillea

    Statements

    taxon/id/Achillea alpina Linnaeus
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    Achillea alpina Linnaeus
    Achillea alpina
    Linnaeus
    FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 19: Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York.
    accepted
    achillée de Sibérie (French)
    Siberian yarrow (English)
    Siberian yarrow (English)
    achillée de Sibérie (English)
    Flowering early Jul–early Sep.
    meadows
    forest edges
    roadsides
    lakeshores
    streams
    moist soils
    Stems 1, erect, branched or unbranched distally, sparsely villous to glabrate.
    blades linear-lanceolate to oblong-lanceolate, 5–10 cm × 4–8 mm, (margins serrate to doubly serrate, teeth antrorse) faces sparingly villous or glabrate.
    Heads 10–25+, in crowded, simple or compound, corymbiform arrays.
    Phyllaries 20–30 in ± 3 series, (light green, margins light to dark-brown, midribs dark green or yellow-green) lanceolate to oblanceolate, faces (abaxial) sparingly tomentose.
    Receptacles convex;
    paleae oblong, 3.5–4.5 mm (apices dark, rounded).
    Ray-florets 6–8 (–12), pistillate, fertile;
    corollas white, laminae 1–3 × 2–3 mm.
    Disc-florets 25–30+;
    corollas grayish or yellowish white, 2–3 mm.
    Cypselae 2.5 mm. 2n = 36.