Potentilla gracilis Douglas ex Hooker (Q3989)
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Potentilla gracilis is a taxon with the rank species within the section Potentilla sect. Graciles
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English |
Potentilla gracilis Douglas ex Hooker
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Potentilla gracilis is a taxon with the rank species within the section Potentilla sect. Graciles
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Statements
taxon/id/Potentilla gracilis Douglas ex Hooker
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Potentilla gracilis Douglas ex Hooker
Potentilla gracilis
Douglas ex Hooker
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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CA-MB
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CA-NT
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CA-ON
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CA-PE
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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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US-AZ
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US-CA
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US-CO
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US-ID
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US-MI
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US-MN
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US-MT
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US-ND
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US-NV
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US-OR
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US-SD
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US-UT
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US-WA
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US-WI
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US-WY
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Glands usually absent or inconspicuous, uncolored.
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Stems ascending to erect, (0.5â) 2â7 (â12) dm.
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Basal leaves usually not in ranks, palmate, rarely subpalmate, 4â40 (â55) cm;
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petiole (2â) 3â25 (â45) cm, long hairs sparse to dense, appressed to spreading, 0.5â2 (â3) mm, weak to stiff, short hairs absent, crisped hairs usually absent, cottony hairs absent or sparse to abundant (var. owyheensis), glands absent or sparse;
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leaflets 5â9, on tip, rarely less than distal 1/10, of leaf axis, separate to overlapping, largest ones oblanceolate to elliptic or obovate, (1.5â) 2â9 (â11) Ă (0.7â) 1.5â4 cm, margins flat to revolute, distal (2/3â) 3/4 to nearly whole length evenly to unevenly incised 1/4â3/4+ to midvein, undivided medial blade 2â20 mm wide, teeth (4â) 6â10 (â11) per side (sometimes secondarily toothed), linear to broadly lanceolate, 2â20 (â35) mm, surfaces ± similar to strongly dissimilar, abaxial green or pale green to white, usually not glaucous, long hairs sparse to abundant (sometimes mostly on veins), short-crisped hairs absent or sparse to abundant, cottony hairs absent or sparse to dense, glands usually absent or obscured to sparse, sometimes common, adaxial dark green to grayish, long hairs sparse to ± abundant, rarely absent or dense, short-crisped hairs absent or sparse, cottony hairs absent or sparse to abundant (var. owyheensis), glands usually absent or sparse to sometimes common.
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Cauline leaves 1â4 (â5).
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Inflorescences (4â) 10â50 (â60) -flowered.
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Pedicels 0.3â3 cm.
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Flowers: epicalyx bractlets linear to narrowly lanceolate or elliptic, 2â6 (â8) Ă 0.5â1.5 (â2.5) mm, hairs sparse to abundant, rarely dense, ± appressed to ascending, rarely spreading, glands usually absent or inconspicuous;
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hypanthium 3.5â6 mm diam.;
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sepals 4â8 (â10) mm, apex acute to long acuminate;
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petals (3â) 4â10 (â11) Ă (3â) 4â10 (â12) mm;
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filaments (1â) 1.5â2.5 (â3.5) mm, anthers 0.6â1.2 (â1.6) mm;
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carpels (15â) 20â50, styles ± tapered, papillate-swollen proximally, (1â) 1.5â2.5 (â3) mm.
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Achenes 1â1.8 mm.
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(4-)10-50(-60)-flowered
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narrowly lanceolate or elliptic
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oblanceolate
elliptic or obovate
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