Potentilla hyparctica Malte (Q4005)

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Potentilla hyparctica is a taxon with the rank species within the section Potentilla sect. Aureae
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English
Potentilla hyparctica Malte
Potentilla hyparctica is a taxon with the rank species within the section Potentilla sect. Aureae

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    taxon/id/Potentilla hyparctica Malte
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    Potentilla hyparctica Malte
    Potentilla hyparctica
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    Potentilla hyparctica
    arctic cinquefoil (English)
    potentille arctique (French)
    Arctic cinquefoil (English)
    Plants cushion-forming;
    caudex branches short-to-elongate, slender, often embedded in old leaf-bases.
    Stems ascending to erect, 0.2–2 (–2.5) dm, lengths 1–3 (–4) times basal leaves.
    Basal leaves not in ranks, ternate, (1–) 2–8 (–10) cm;
    stipules: apex ± acute;
    petiole 1–6.5 (–8.5) cm, long hairs sparse to common, spreading to subappressed, 0.8–2 mm, weak to ± stiff, glands sparse to common;
    leaflets 3, central obovate to broadly obovate, 0.5–2.5 (–2.8) × 0.3–2 (–2.2) cm, petiolule 0–3 mm, margins flat or slightly revolute, not lobed, distal 1/2–2/3 (–3/4) evenly incised ± 1/2 to midvein, teeth (2–) 3–5 per side, surfaces ± similar, abaxial usually pale green, sometimes grayish, hairs sparse to abundant, 0.5–1.7 mm, adaxial darker green, hairs and glands sparse.
    Inflorescences 1–3 (–5) -flowered.
    Pedicels straight, 0.3–3 cm in flower, to 9 cm in fruit.
    Flowers: epicalyx bractlets narrowly to broadly oblong or ovate, 3.5–7 × 1.5–5 mm, margins flat;
    hypanthium 4–7 mm diam.;
    sepals 4–8 mm, apex subacute to rounded;
    petals pale or bright-yellow, 4–9 × 4–6 mm;
    filaments 0.5–1.1 mm, anthers 0.2–0.4 mm;
    carpels 50–80, styles ± columnar, not or scarcely papillate-swollen proximally, 0.6–0.9 mm.
    Achenes 1.1–1.3 mm.