Potentilla sect. Pensylvanicae Poeverlein in P. F. A. Ascherson et al. (Q3969)
Potentilla sect. Pensylvanicae is a taxon with the rank section within the genus Potentilla
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Potentilla sect. Pensylvanicae Poeverlein in P. F. A. Ascherson et al.
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Potentilla sect. Pensylvanicae is a taxon with the rank section within the genus Potentilla
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Statements
taxon/id/Potentilla sect. Pensylvanicae Poeverlein
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Potentilla sect. Pensylvanicae Poeverlein
Potentilla sect. Pensylvanicae
Poeverlein
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 absent, not red.
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Stems decumbent to erect, not flagelliform, not rooting at nodes, lateral to persistent basal rosettes, (0.1–) 0.5–4 (–6) dm, lengths (1–) 1.5–3 (–4) times basal leaves.
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primary leaves pinnate to subpinnate or subpalmate (with distal leaflets distinct), 1.5–25 (–30) cm;
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petiole: long hairs spreading to appressed, soft to stiff, glands absent or sparse to abundant;
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leaflets (3–) 5–13 (–19), on distal 1/6–1/2+, rarely less, of leaf axis, separate to ± overlapping, narrowly oblanceolate or elliptic to obovate or broadly oblong, margins ± to strongly revolute, ± whole length evenly incised ± 1/2 to nearly completely to midvein, teeth (2–) 3–8 (–12) per side, surfaces similar to strongly dissimilar, abaxial green to white, cottony hairs absent or sparse to dense, adaxial green to grayish, not glaucous, long hairs soft to ± stiff.
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Inflorescences (1–) 2–40 (–100) -flowered, cymose, congested to very open.
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Pedicels ± straight in fruit, (0.1–) 0.2–3 (–5) cm, proximal often significantly longer than distal.
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Flowers 5-merous;
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hypanthium 2.5–10 mm diam.;
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petals pale to bright-yellow, obovate to obcordate, (2–) 3–5 (–10.5) mm, +- equal to or longer, sometimes shorter, than sepals, apex rounded or truncate to retuse;
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stamens (15–) 20;
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styles subapical, conic to columnar, papillate-swollen in proximal 1/4–3/4+ or only at base, if at all, 0.8–1.2 (–1.5) mm.
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Achenes smooth to rugose.
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(1-)1.5-3(-4) times basal leaves
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pinnate
subpinnate or subpalmate
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elliptic
obovate or broadly oblong
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(1-)2-40(-100)-flowered
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often significantly longer
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