Potentilla verna Linnaeus (Q4003)
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Potentilla verna is a taxon with the rank species within the section Potentilla sect. Aureae
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Potentilla verna Linnaeus
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Potentilla verna is a taxon with the rank species within the section Potentilla sect. Aureae
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Statements
taxon/id/Potentilla verna Linnaeus
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Potentilla verna Linnaeus
Potentilla verna
Linnaeus
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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CA-ON
present
introduced
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Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
CA-ON
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US-MI
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US-MN
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Plants openly matted;
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caudex branches elongate, slender, sometimes rooting at nodes.
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Stems prostrate to decumbent, rarely weakly erect, 0.3–1.5 dm, lengths 1–2 (–3) times basal leaves.
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Basal leaves not in ranks, palmate, 2–5 (–10) cm;
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stipules: apex acuminate to acute, rarely obtuse;
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petiole 1–6 cm, long hairs common, ascending to appressed, 1–2.5 mm, weak to ± stiff, glands absent or sparse;
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leaflets 5–7, central oblanceolate to obovate, (0.8–) 1–3 × 0.4–1.5 cm, petiolule 0–2 mm, margins flat, not lobed, distal 1/4–1/2 (–2/3) evenly incised ± 1/3 to midvein, teeth 2–4 (–5) per side, surfaces similar, green, hairs absent especially adaxially or sparse, 0.5–1.5 (–2) mm, glands absent or sparse.
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Inflorescences 3–5 (–6) -flowered.
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Pedicels often recurved, 1–3 (–4) cm, not much longer in fruit than in flower.
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Flowers: epicalyx bractlets lanceolate, 3.5–5 × 1–1.5 mm, margins flat;
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hypanthium 2–4 mm diam.;
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sepals 3–5 mm, apex broadly acute to obtuse;
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petals yellow, 5–8 (–10) × 4–6 mm;
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filaments 0.8–2 mm, anthers 0.5–0.8 mm;
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carpels 40–60, styles ± columnar, not papillate-swollen proximally, 1 mm.
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Achenes 1.5–2 mm. 2n = 28, 35, 42, 49, 56, 63, 70, 84 (Europe).
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prostrate to decumbent
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1-2(-3) times basal leaves
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absent
especially adaxially; adaxially
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