Potentilla uschakovii Jurtzev (Q4039)
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Potentilla uschakovii is a taxon with the rank species within the section Potentilla sect. Rubricaules
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English |
Potentilla uschakovii Jurtzev
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Potentilla uschakovii is a taxon with the rank species within the section Potentilla sect. Rubricaules
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taxon/id/Potentilla uschakovii Jurtzev
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Potentilla uschakovii Jurtzev
Potentilla uschakovii
Jurtzev
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
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Greenland, GL
doubtful
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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
CA-NT
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
CA-NU
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
CA-NT
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CA-NU
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Caudex branches often sheathed with marcescent whole leaves.
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Stems ascending to nearly erect, 0.3–1.5 dm.
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Basal leaves often both ternate and palmate or subpalmate on same plant, 1–5 cm;
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petiole 0.5–3 cm, long hairs sparse to dense, ± appressed to ascending, (1–) 1.5–2.5 mm, soft to ± weak, smooth, short hairs absent or sparse, crisped (/cottony) hairs sparse to common, glands absent or sparse;
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leaflets 3–5, proximalmost separated by 0–2 mm, central broadly elliptic to obovate, 0.5–2 × 0.3–1.4 cm, petiolules ± 1 mm, distal 2/3 to nearly whole margin incised 2/3–3/5+ to midvein, teeth (2–) 3–4 per side, 3–5 mm, apical tufts 1–1.5 mm, abaxial surfaces grayish white to white, long hairs common to abundant, cottony (/crisped) hairs dense, short hairs and glands absent or obscured, adaxial grayish green to gray, long hairs abundant, 1–2 mm, soft (grading to cottony), short/crisped/cottony hairs common to abundant, glands sparse to common.
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Cauline leaves 0–1.
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Inflorescences 1–3 (–4) -flowered, open, branch angle 20–40°.
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Pedicels 1–1.5 cm, proximal to 3 cm.
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Flowers: epicalyx bractlets lanceolate to ovate, 3–4 × 1–2 mm;
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hypanthium 2.5–3.5 mm diam.;
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sepals 3.5–5 mm, apex obtuse to subacute, glands sparse to common, often ± obscured;
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petals pale-yellow, often overlapping, 5–7 × 5–8 (–9) mm, distinctly longer than sepals;
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filaments 0.5–1.5 mm, anthers ± 0.5 mm;
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carpels 30–60, styles 0.8–0.9 mm.
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Achenes 1–1.3 mm.
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