Potentilla sect. Rubricaules (Rydberg) A. Nelson in J. M. Coulter and A. Nelson (Q4036)
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Potentilla sect. Rubricaules is a taxon with the rank section within the genus Potentilla
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Potentilla sect. Rubricaules (Rydberg) A. Nelson in J. M. Coulter and A. Nelson
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Potentilla sect. Rubricaules is a taxon with the rank section within the genus Potentilla
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Statements
taxon/id/Potentilla sect. Rubricaules (Rydberg) A. Nelson
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Potentilla sect. Rubricaules (Rydberg) A. Nelson
Potentilla sect. Rubricaules
(Rydberg) A. Nelson
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 of long, short, crisped, and/or cottony hairs, glands sparse to abundant, sometimes red.
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Stems decumbent to erect, not flagelliform, not rooting at nodes, lateral to persistent basal rosettes, (0.2–) 0.5–3 (–4) dm, lengths (1–) 1.5–4 (–6) times basal leaves.
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primary leaves usually palmate to subpalmate, sometimes some (rarely all) ternate, 1–10 cm;
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petiole: long hairs soft to stiff, ± appressed to spreading, glands sparse to abundant, sometimes absent;
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leaflets 3–5 (–7) (usually more than 3 on at least some leaves), usually at tip, sometimes to distal 1/6 (–1/4) of leaf axis, usually ± overlapping, oblanceolate to obovate, oblong, or elliptic, margins slightly to strongly revolute, distal 2/3 to whole length evenly incised 1/2–3/4+ to midvein, teeth 2–8 per side, surfaces ± to strongly dissimilar, abaxial usually grayish white to white, sometimes gray, cottony (or cottony-crisped) hairs abundant to dense, adaxial green to gray, not glaucous, long hairs soft to stiff.
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Inflorescences 1–12 (–20) -flowered, ± cymose, congested to open, sometimes solitary flowers.
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Pedicels ± straight in fruit, 0.2–2 (–5) cm, proximal often much longer than distal.
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Flowers 5-merous;
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hypanthium 2.5–6 mm diam.;
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petals pale-yellow or yellow, usually ± obcordate, (2–) 3–7 mm, equal to or distinctly longer than sepals, apex usually ± retuse;
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styles subapical, ± columnar to tapered, papillate-swollen in proximal 1/5–1/2, rarely to nearly whole length, 0.7–1.2 (–1.5 in P. paucijuga) mm.
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Achenes smooth to faintly rugose.
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(1-)1.5-4(-6) times basal leaves
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overlapping
usually more or less
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oblanceolate
obovate oblong or elliptic
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oblanceolate
obovate oblong or elliptic
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oblanceolate
obovate oblong or elliptic
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