Potentilla pedersenii (Rydberg) Rydberg in N. L. Britton et al. (Q4040)

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Potentilla pedersenii is a taxon with the rank species within the section Potentilla sect. Rubricaules
Language Label Description Also known as
English
Potentilla pedersenii (Rydberg) Rydberg in N. L. Britton et al.
Potentilla pedersenii is a taxon with the rank species within the section Potentilla sect. Rubricaules

    Statements

    taxon/id/Potentilla pedersenii (Rydberg) Rydberg
    0 references
    Potentilla pedersenii (Rydberg) Rydberg
    Potentilla pedersenii
    (Rydberg) Rydberg
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    Potentilla pedersenii
    potentille de Pedersen (French)
    Pedersen's cinquefoil (English)
    Greenland, GL
    1 reference
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1009&flora_id=1
    1 reference
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1009&flora_id=1
    1 reference
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1009&flora_id=1
    Greenland
    ne Europe
    n Asia
    Flowering summer.
    dry tundra
    gravel
    loam ridges
    rocky outcrops
    crevices
    Caudex branches not sheathed with marcescent whole leaves.
    Stems ascending to nearly erect, 0.4–2 dm.
    Basal leaves often both ternate and palmate or subpalmate on same plant, 2.5–4 cm;
    petiole 1.5–2.5 cm, long hairs common to abundant, loosely appressed to ascending-spreading, 1–2 mm, weak to ± stiff, verrucose, crisped (/short) hairs absent or sparse to common, cottony hairs absent, glands sparse to common;
    leaflets 3–5, proximalmost separated by 0–2 mm, central broadly elliptic to obovate, 1–1.5 × 0.5–0.9 cm, petiolules 1–2 mm, distal 2/3–3/4 of margin incised 1/2–3/4 to midvein, teeth (2–) 3–4 per side, 4–6 mm, apical tufts ± 1 mm, abaxial surfaces grayish white to white, long hairs abundant (sometimes obscuring entire surface), cottony-crisped hairs abundant to dense, short hairs absent or obscured, glands sparse to common but usually obscured, adaxial grayish green to gray, long hairs sparse to abundant, 1–1.5 (–2) mm, ± weak, short (short-crisped) hairs absent or sparse, rarely common, cottony hairs absent, glands absent or sparse, rarely common.
    Cauline leaves 0–2.
    Inflorescences (1–) 3–7-flowered, open, branch angle 30–50°.
    Pedicels 1–2 cm, proximal to 4 cm.
    Flowers: epicalyx bractlets narrowly ovate to elliptic, 4–5 × 1–1.4 mm;
    hypanthium 3–4 mm diam.;
    sepals 4–6 mm, apex subacute to acute, glands sparse to common, usually not obscured;
    petals pale-yellow, usually not overlapping, 6–7 × 4–8 mm, distinctly longer than sepals;
    filaments 1–2 mm, anthers ± 0.4 mm;
    carpels 40–80, styles 0.8–0.9 mm.
    Achenes 1.1–1.2 mm.