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
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Potentilla pedersenii (Rydberg) Rydberg in N. L. Britton et al.
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Potentilla pedersenii is a taxon with the rank species within the section Potentilla sect. Rubricaules
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Statements
taxon/id/Potentilla pedersenii (Rydberg) Rydberg
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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
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Greenland, GL
present
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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
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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-NU
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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
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CA-NU
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Caudex branches not sheathed with marcescent whole leaves.
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Stems ascending to nearly erect, 0.4–2 dm.
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Basal leaves often both ternate and palmate or subpalmate on same plant, 2.5–4 cm;
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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;
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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.
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Cauline leaves 0–2.
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Inflorescences (1–) 3–7-flowered, open, branch angle 30–50°.
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Pedicels 1–2 cm, proximal to 4 cm.
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Flowers: epicalyx bractlets narrowly ovate to elliptic, 4–5 × 1–1.4 mm;
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hypanthium 3–4 mm diam.;
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sepals 4–6 mm, apex subacute to acute, glands sparse to common, usually not obscured;
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petals pale-yellow, usually not overlapping, 6–7 × 4–8 mm, distinctly longer than sepals;
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filaments 1–2 mm, anthers ± 0.4 mm;
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carpels 40–80, styles 0.8–0.9 mm.
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Achenes 1.1–1.2 mm.
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loosely appressed
ascending-spreading
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