Potentilla sect. Leucophyllae (Rydberg) A. Nelson in J. M. Coulter and A. Nelson (Q3995)
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Potentilla sect. Leucophyllae is a taxon with the rank section within the genus Potentilla
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Potentilla sect. Leucophyllae (Rydberg) A. Nelson in J. M. Coulter and A. Nelson
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Potentilla sect. Leucophyllae is a taxon with the rank section within the genus Potentilla
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Statements
taxon/id/Potentilla sect. Leucophyllae (Rydberg) A. Nelson
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Potentilla sect. Leucophyllae (Rydberg) A. Nelson
Potentilla sect. Leucophyllae
(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 primarily of long and cottony or sometimes crisped-cottony hairs, glands usually absent or sparse, sometimes common, not red.
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Stems ascending to erect, not flagelliform, not rooting at nodes, lateral to persistent basal rosettes, (0.3–) 1.5–7 (–8) dm, lengths (1–) 1.5–4 (–5) times basal leaves.
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Leaves: basal not 2-ranked;
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cauline (0–) 1–6+;
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primary leaves pinnate to subpinnate (with distal leaflets often confluent), 3–45 (–50) cm;
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petiole: long hairs usually ± to tightly appressed, sometimes ascending, usually stiff, sometimes weak, glands absent or sparse or obscured;
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leaflets (5–) 7–15, on distal (1/6–) 1/5–2/3 of leaf axis, separate to ± overlapping distally, oblanceolate to narrowly obovate, oblong, or cuneate, margins flat, distal 1/4 to whole length, rarely less, usually ± evenly incised 1/4–1/2 or less to midvein, sometimes entire, teeth (0–) 2–18 per side, surfaces similar to strongly dissimilar, abaxial white to ± green, cottony hairs absent or sparse to dense, adaxial green to white, not glaucous, long hairs mostly weak, sometimes stiff.
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Inflorescences (5–) 7–60-flowered, cymose, open.
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Pedicels straight in fruit, 0.3–3 (–6) cm, proximal usually much longer than distal.
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Flowers 5-merous;
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hypanthium 2–7 mm diam.;
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petals yellow, ± obcordate, (3–) 4–10 mm, usually longer than sepals, retuse;
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styles subapical, tapered-filiform, papillate-swollen in proximal 1/5 or less, (1–) 1.5–3 mm.
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Achenes smooth to slightly rugose.
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(1-)1.5-4(-5) times basal leaves
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incised
rarely less; less; usually more or less evenly
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separate
more or less overlapping
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oblanceolate
narrowly obovate oblong or cuneate
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oblanceolate
narrowly obovate oblong or cuneate
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oblanceolate
narrowly obovate oblong or cuneate
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