Potentilla arenosa (Turczaninow) Juzepczuk in V. L. Komarov et al. (Q4018)
Potentilla arenosa is a taxon with the rank species within the section Potentilla sect. Niveae
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| English |
Potentilla arenosa (Turczaninow) Juzepczuk in V. L. Komarov et al.
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Potentilla arenosa is a taxon with the rank species within the section Potentilla sect. Niveae
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Statements
taxon/id/Potentilla arenosa (Turczaninow) Juzepczuk
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Potentilla arenosa (Turczaninow) Juzepczuk
Potentilla arenosa
(Turczaninow) Juzepczuk
accepted
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CA-AB
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CA-BC
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CA-MB
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CA-NT
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CA-NU
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CA-QC
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CA-SK
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CA-YT
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US-AK
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Plants scarcely to ± tufted.
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Caudex branches thick, not columnar, not sheathed with marcescent whole leaves.
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Stems ascending to erect, (0.3–) 0.8–2.5 (–4.5) dm, lengths (2–) 3–5 times basal leaves.
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Basal leaves 1.5–12 (–20) cm;
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petiole 1–7 (–15) cm, long hairs sparse to abundant, spreading to ± ascending, rarely loosely appressed, 1–2 (–2.5) mm, usually stiff, sometimes weak (subsp. chamissonis), verrucose, short and/or crisped hairs absent or sparse to abundant, cottony hairs absent, glands absent or sparse;
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leaflets separate to ± overlapping, central obovate, 1–3.5 (–4.5) × 0.5–2 (–3) cm, usually petiolulate, petiolule to 5 mm, base cuneate, margins slightly revolute, distal ± 3/4 incised ± 1/2 to midvein, teeth (2–) 3–4 (–6) per side, ± approximate to distant, surfaces dissimilar, often strongly so, abaxial white to gray, long hairs 0.5–1.8 mm, cottony-crisped hairs ± dense, adaxial green, sometimes grayish green, long hairs sparse to abundant, short-crisped hairs sparse to abundant.
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Cauline leaves (0–) 1–2.
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Inflorescence 1–7 (–15) -flowered.
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Pedicels 1.5–5 cm in flower, to 6 (–10) cm in fruit.
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Flowers: epicalyx bractlets linear-lanceolate to lanceolate-elliptic, 2–5 (–7) × 0.4–1.2 (–1.5) mm, 1/4–1/2 as wide as sepals, margins usually flat, red-glands absent or sparse and inconspicuous;
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hypanthium 3–5 mm diam.;
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sepals 3–6 (–8) mm, apex acute;
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petals 4–7 (–10) × 4–7 (–9) mm, ± longer than sepals;
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filaments 0.8–1 mm, anthers 0.4 mm;
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carpels 28–40, apical hairs absent, styles conic-columnar, strongly papillate-swollen in proximal 1/5–1/3, 1–1.5 mm.
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(2-)3-5 times basal leaves
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linear-lanceolate
lanceolate-elliptic
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separate
more or less overlapping
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