Potentilla sect. Concinnae (Rydberg) A. Nelson in J. M. Coulter and A. Nelson (Q3977)
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Potentilla sect. Concinnae is a taxon with the rank section within the genus Potentilla
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Potentilla sect. Concinnae (Rydberg) A. Nelson in J. M. Coulter and A. Nelson
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Potentilla sect. Concinnae is a taxon with the rank section within the genus Potentilla
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Statements
taxon/id/Potentilla sect. Concinnae (Rydberg) A. Nelson
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Potentilla sect. Concinnae (Rydberg) A. Nelson
Potentilla sect. Concinnae
(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 sometimes thick, not fleshy;
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vestiture primarily of long and/or cottony hairs (and crisped hairs in inflorescence), glands absent or sparse to abundant, rarely reddish.
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Stems prostrate to ± decumbent, not flagelliform, not rooting at nodes, lateral to persistent basal rosettes, 0.2–1.5 (–2.7) dm, lengths 1/2–3 (–4) times basal leaves.
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primary leaves palmate to subpalmate, sometimes subpinnate to pinnate (distal leaflets sometimes confluent), 1.5–12 (–15) cm;
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petiole: long hairs ± appressed to ascending, stiff to weak, glands absent or sparse or obscured, rarely abundant;
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leaflets (3–) 5–9 (–11), at tip or to distal 3/4+ of leaf axis, separate to strongly overlapping, narrowly oblanceolate or cuneate to obovate, margins flat, less than distal 1/5 to whole length evenly, sometimes unevenly, incised 1/4–3/4+ to midvein, sometimes medially cleft as well, rarely entire, teeth (0–) 1–5 (–10) 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 usually stiff, rarely weak.
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Inflorescences (1–) 2–12 (–15) -flowered, usually ± cymose, open, sometimes racemiform when prostrate.
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Pedicels often recurved in fruit, 0.7–3 (–4.5) cm, proximal usually not 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 yellow, ± obcordate, (2.5–) 3.5–7 (–9) mm, longer than sepals, apex usually ± retuse;
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styles subapical, filiform to filiform-tapered, not papillate-swollen or in proximal 1/5, (1–) 1.5–3 mm.
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Achenes smooth to ± rugose.
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prostrate
more or less decumbent
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1/2-3(-4) times basal leaves
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incised
less; sometimes unevenly; unevenly
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cottony
strongly; strongly; strongly; strongly
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absent
strongly; strongly; strongly; strongly
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