Potentilla sect. Aureae (Rydberg) Juzepczuk in V. L. Komarov et al. (Q3999)
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Potentilla sect. Aureae is a taxon with the rank section within the genus Potentilla
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| English |
Potentilla sect. Aureae (Rydberg) Juzepczuk in V. L. Komarov et al.
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Potentilla sect. Aureae is a taxon with the rank section within the genus Potentilla
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Statements
taxon/id/Potentilla sect. Aureae (Rydberg) Juzepczuk
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Potentilla sect. Aureae (Rydberg) Juzepczuk
Potentilla sect. Aureae
(Rydberg) Juzepczuk
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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taproots not fleshy-thickened;
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vestiture primarily of straight hairs, not differentiated into long and short, glands absent or sparse to abundant, sometimes red (P. hyparctica).
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Stems usually ascending to erect, sometimes prostrate to decumbent or spreading, not flagelliform, not rooting at nodes (except P. verna), lateral to persistent basal rosettes, 0.1–2 (–3) dm, lengths 1–3 (–4) times basal leaves.
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Leaves: basal sometimes 2-ranked;
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primary leaves ternate or palmate, (0.5–) 1–12 (–20) cm;
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petiole: long hairs absent or spreading to ascending, weak to ± stiff, glands usually absent or sparse, sometimes abundant;
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leaflets 3–7, at tip of leaf axis, overlapping or not, broadly oblanceolate or obtriangular to flabellate, margins flat to revolute, distal 1/4–3/4+ evenly to unevenly incised 1/4–1/2 to midvein, sometimes 3–5-lobed 1/2–3/4 to midvein as well, primary teeth (1–) 2–5 (–7) per side or per lobe, surfaces ± similar, abaxial pale to dark green, rarely grayish, brownish, or reddish, cottony hairs absent, adaxial green to dark green, rarely brownish or reddish, sometimes ± glaucous (P. grayi), long hairs (if present) soft to weak, sometimes stiff.
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Inflorescences 1–6 (–12) -flowered, ± cymose, ± to very open, or solitary flowers.
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Pedicels usually straight in fruit (often recurved in P. verna), (0–) 0.2–3 (–9) cm, proximal usually not much longer than distal (sometimes longer in fruit).
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Flowers 5-merous;
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hypanthium 2–7 mm diam.;
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petals pale to dark yellow, mostly ± obcordate (to orbiculate in P. elegans), (2–) 3–10 (–12) mm, usually longer than sepals, apex usually ± retuse;
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styles subapical, columnar, filiform, or tapered, not, scarcely, or ± papillate-swollen in proximal 1/5–1/2, 0.8–2.5 mm.
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Achenes ± smooth.
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1-3(-4) times basal leaves
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papillate-swollen
not; scarcely; more or less
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