Potentilla subgorodkovii Jurtzev (Q4017)

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Potentilla subgorodkovii is a taxon with the rank species within the section Potentilla sect. Niveae
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English
Potentilla subgorodkovii Jurtzev
Potentilla subgorodkovii is a taxon with the rank species within the section Potentilla sect. Niveae

    Statements

    taxon/id/Potentilla subgorodkovii Jurtzev
    0 references
    Potentilla subgorodkovii Jurtzev
    Potentilla subgorodkovii
    Jurtzev
    FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
    accepted
    Potentilla subgorodkovii
    potentille de Jurtzev (French)
    Jurtzev's cinquefoil (English)
    Sheenjek River cinquefoil (English)
    1 reference
    University of British Columbia Herbarium (UBC), Vancouver, BC. Specimen. http://www.beatymuseum.ubc.ca/herbarium/index.html
    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
    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
    Asia (Russian Far East)
    Asia (Sakha [Yakutia])
    Flowering late spring to summer.
    dry alpine heaths
    exposed ridges
    summits
    rock outcrops
    dry tundra
    acidic
    calcareous bedrock
    0–4300 m
    Plants ± densely tufted.
    Caudex branches stout, usually columnar, sometimes sheathed with marcescent whole leaves.
    Stems erect, (0.2–) 0.3–1.5 (–2) dm, lengths 1.5–2.5 (–3.5) times basal leaves.
    Basal leaves (1–) 2–10 (–15) cm;
    petiole (0.5–) 1–5 (–12) cm, long hairs common to dense, ± ascending to loosely appressed, sometimes spreading, 1–2 mm, ± soft, smooth, crisped/short-cottony hairs usually sparse, sometimes absent or common, glands absent, sparse, or obscured;
    leaflets separate to slightly overlapping, central obovate or obtriangular, (0.5–) 1–2 (–3) × (0.4–) 0.8–1.5 (–2) cm, sessile or subsessile, base cuneate, margins revolute, distal (1/3–) 1/2–2/3 (–3/4) incised 1/2–2/3 (–3/4) to midvein, teeth 2–3 (–4) per side, usually ± distant, surfaces somewhat to more often strongly dissimilar, abaxial yellowish or grayish white to white, long hairs 0.8–1.5 mm, cottony-crisped hairs ± dense, adaxial green to grayish green, long hairs sparse to ± abundant, other hairs usually absent.
    Cauline leaves (0–) 1 (–2).
    Inflorescences usually 1 (–2) -flowered, rarely to 5-flowered.
    Pedicels (0.5–) 2–4 cm in flower, to 5 cm in fruit.
    Flowers: epicalyx bractlets elliptic-lanceolate to ovate, (3–) 4–6 (–7) × (0.8–) 1.2–2 (–2.5) mm, (1/2–) 2/3 to as wide as sepals, margins revolute, rarely flat, red-glands absent;
    hypanthium 2.5–4 mm diam.;
    sepals 4–6 (–7) mm, apex subacute;
    petals (5–) 6–9 × (5–) 7–9 mm, significantly longer than sepals;
    filaments 1–1.3 mm, anthers 0.4–0.6 mm;
    carpels 30–40, apical hairs absent, styles narrowly columnar to conic-tapered, papillate-swollen on proximal 1/5 (–1/3), 0.9–1.1 mm.
    Achenes 1.2–2 mm. 2n = 28, 42, 49, 56 (Russian Far East).