Potentilla crebridens subsp. hemicryophila Jurtzev in A. I. Tolmatchew (Q4022)
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Potentilla crebridens subsp. hemicryophila is a taxon with the rank subspecies within the species Potentilla crebridens
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Potentilla crebridens subsp. hemicryophila Jurtzev in A. I. Tolmatchew
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Potentilla crebridens subsp. hemicryophila is a taxon with the rank subspecies within the species Potentilla crebridens
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Statements
taxon/id/Potentilla crebridens subsp. hemicryophila Jurtzev
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Potentilla crebridens subsp. hemicryophila Jurtzev
Potentilla crebridens subsp. hemicryophila
Jurtzev
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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Potentilla crebridens subsp. hemicryophila
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CA-YT
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Bennett, B., P.M. Catling, W.J. Cody & G.W. Argus. 2010. New records of vascular plants in the Yukon Territory VIII. Canadian Field Naturalist 124 (1): 1-27. http://canadianfieldnaturalist.ca/index.php/cfn/article/view/1025
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US-AK
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Caudex branches slender to stout, not columnar, not sheathed with marcescent whole leaves.
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Stems ascending to erect, 0.8–2 dm, lengths 2–3 (–4) times basal leaves.
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Basal leaves 3–8 cm;
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petiole 0.5–5 cm, cottony hairs usually dense, sometimes sparse, other hair types and glands absent or obscured;
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leaflets ± overlapping, central obovate, 0.6–2 × 0.5–1.2 cm, subsessile, base cuneate, margins slightly revolute, distal 3/4 to nearly whole length incised 1/4–1/3 (–1/2) to midvein, teeth (3–) 5–8 (–12) per side, approximate, surfaces ± to strongly dissimilar, abaxial ± white, long hairs 0.7–1.2 mm, cottony-crisped hairs usually dense, adaxial green to grayish green, long hairs sparse to abundant, short and/or crisped hairs sparse to abundant.
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Cauline leaves 0–1.
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Inflorescences 1–6-flowered.
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Pedicels 1–1.5 cm in flower, to 3 cm in fruit.
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Flowers: epicalyx bractlets linear, 3–5 × 0.2–0.6 mm, usually less than 1/4 as wide as sepals, margins flat, red-glands absent;
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hypanthium 4–4.5 mm diam.;
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sepals 5–6 mm, apex acute;
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petals 5–7 × 5–8 mm, slightly longer than sepals;
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filaments 1 mm, anthers 0.4 mm;
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carpels 25–30, apical hairs absent, styles columnar, not or ± papillate-swollen on less than proximal 1/5, 0.9–1.1 mm.
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Achenes 1.1 mm. 2n = 28 (Russian Far East).
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2-3(-4) times basal leaves
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papillate-swollen
not; more or less; less
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