Potentilla ovina J. M. Macoun (Q4027)
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Potentilla ovina is a taxon with the rank species within the section Potentilla sect. Multijugae
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Potentilla ovina J. M. Macoun
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Potentilla ovina is a taxon with the rank species within the section Potentilla sect. Multijugae
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Statements
taxon/id/Potentilla ovina J.M. Macoun
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Potentilla ovina J.M. Macoun
Potentilla ovina
J.M. Macoun
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-AB
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CA-BC
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US-CO
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US-ID
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US-MT
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US-NV
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US-OR
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US-UT
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US-WY
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Plants rosetted to ± matted;
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taproots sometimes ± fleshy-thickened.
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Stems prostrate to ascending, (0.3–) 0.8–2 (–3.5) dm, lengths (1–) 1.5–3 times basal leaves.
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Basal leaves pinnate with distal leaflets ± distinct, (1.5–) 2–10 (–13) × 0.7–3.5 (–5) cm;
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petiole 0.5–3.5 (–5) cm, straight hairs sparse to abundant, sometimes absent (var. decurrens), ± appressed to ascending, 1 mm, ± stiff, cottony hairs absent, glands sparse, often obscured;
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primary lateral leaflets 3–6 per side (often with additional interspersed leaflets), on distal 1/2–2/3 (–3/4) of leaf axis, ± separate to ± overlapping, largest ones narrowly cuneate-oblanceolate to ± obovate, (0.3–) 0.5–2 (–3.5) × (0.2–) 0.3–0.8 (–1) cm, distal 1/4 to whole margin unevenly to pinnately (at least distal leaflets of var. ovina) incised 1/2–3/4+ to midvein, ultimate teeth 2–9 (–11), linear or oblong to ovate, 1–7 (–9) × 1–2 mm, apical tufts 0.5–2 mm, surfaces green to grayish, not glaucous, straight hairs sparse to abundant (sparser adaxially), sometimes absent (except on margins), loosely appressed, 0.5–2 mm, ± stiff, cottony hairs absent, crisped hairs sometimes sparse to common, glands absent or inconspicuous.
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Cauline leaves 1–2.
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Inflorescences (1–) 2–11 (–20) -flowered, usually openly cymose.
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Pedicels (0.8–) 1–2 (–4) cm, straight to ± recurved in fruit.
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Flowers: epicalyx bractlets linear-lanceolate to narrowly elliptic, sometimes doubled, 2–3.5 (–5) × 1 mm;
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hypanthium 3–5 mm diam.;
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sepals 3.5–5.5 (–7) mm, apex acute to obtuse;
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petals 4–7 (–8) × 3.5–8 mm;
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filaments 1–2.5 mm, anthers 0.4–1 mm usually ± 1/2 as long as filaments;
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carpels 10–20, styles 2–3 mm.
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Achenes 1.5–2 mm, smooth, not carunculate.
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fleshy-thickened
sometimes more or less
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(1-)1.5-3 times basal leaves
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less separate
more or less overlapping
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narrowly cuneate-oblanceolate
more or less obovate
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linear-lanceolate
narrowly elliptic
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