Potentilla newberryi

A. Gray

Proc. Amer. Acad. Arts 6: 532. 1865.

Common names: Newberry’s cinquefoil
EndemicIllustrated
Basionym: Ivesia gracilis Torrey & A. Gray in War Department [U.S.], Pacif. Railr. Rep. 6(3): 72, plate 11. 1858,
Treatment appears in FNA Volume 9. Treatment on page 137.

Basal leaves: petiole 1–3.5 cm, long hairs ± abundant, 0.5–1.5 mm, short hairs absent or sparse, rarely common; leaflets 0.2–1 cm, lobes oblanceolate to narrowly elliptic, (0.5–) 1–2 mm wide, longs hairs ± abundant, short hairs absent or sparse, glands sparse to abundant. Flowers: epicalyx bractlets broadly lanceolate to elliptic, 1.5–4 (–5) × (0.4–) 0.8–1.3 mm; sepals 2–4 (–5) mm, apex ± acute; petals (3–) 4–6 × (2–) 3–5 mm; filaments 1–2 (–2.5) mm, anthers 0.4–0.6 mm; carpels 20–50. Achenes 0.9–1.2 mm.


Phenology: Flowering summer.
Habitat: Moist, sandy to clayey, more or less alkaline soil, especially where seasonally inundated near streams, ponds, and lakes
Elevation: 1300–1800 m

Distribution

V9 197-distribution-map.jpg

Calif., Nev., Oreg., Wash.

Discussion

Potentilla newberryi grows in valley bottoms in south-central Oregon, northeastern California, and northwestern Nevada. The only specimen supposedly collected in south-central Washington (W. N. Suksdorf 2718, WTU) was gathered in 1898.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property.

... more about "Potentilla newberryi"
0.9mm +  and 1.2mm +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
Barbara Ertter +  and James L. Reveal +
A. Gray +
compound +  and simple +
opposite +  and alternate +
ephemeral +  and persistent +
Ivesia gracilis +
25 cm250 mm <br />0.25 m <br /> (30 cm300 mm <br />0.3 m <br />) +
less cordate or reniform +  and narrowly elliptic +
0.5 cm5 mm <br />0.005 m <br /> (25 cm250 mm <br />0.25 m <br />) +
reduced +
free +  and distinct +
hairy +  and glabrous +
Newberry’s cinquefoil +
Calif. +, Nev. +, Oreg. +  and Wash. +
not +  and aggregated +
1300–1800 m +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
broadly lanceolate +  and elliptic +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (2 cm20 mm <br />0.02 m <br />) +
unisexual +  and bisexual +
not +  and aggregated +
deciduous +
on style scar +, hairy +  and glabrous +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
Moist, sandy to clayey, more or less alkaline soil, especially where seasonally inundated near streams, ponds, and lakes +
stoloniferous +  and short-rhizomatous +
straight +
stiff +, weak +  and more or less stiff +
longs +  and long +
abundant +, common +  and sparse +
crisped +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
open +, racemiform +, cymose +  and (2-)6-50(-100+)-flowered +
crassinucellate +
bipinnate +, odd-pinnate +, subpalmate +, palmate +  and ternate +
opposite +  and alternate +
marcescent +
well-developed +
persistent +
reduced +
elliptic +  and flabellate +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
oblanceolate +  and narrowly elliptic +
1mm +  and 2mm +
palmate +  and pinnate +
inferior +  and superior +
clustered +, biseriate +  and superposed +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
free +  and distinct +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Flowering summer. +
adnate +, free +, connate +  and distinct +
2 cm20 mm <br />0.02 m <br /> (9 cm90 mm <br />0.09 m <br />) +
Proc. Amer. Acad. Arts +
not arillate +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
persistent +
free +  and distinct +
erect +  and spreading +
lanceolate +  and broadly ovate or deltate +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Endemic +  and Illustrated +
free +  and distinct +
not rooting +
reddish +  and green +
prostrate +  and decumbent +
(1-)1.5-5 times basal leaves +
prostrate +  and erect +
1 +  and many +
not flagelliform +
palmate +  and pinnate +
deciduous +
distinct +
subapical +
papillate-swollen +  and filiform-tapered +
rough-thickened +
grayish green +
not glaucous +
not fleshy-thickened +
Potentilla newberryi +
Potentilla sect. Arenicolae +
species +
0 +  and 4 +
inconspicuous +
enlarged +
perennial +, short-lived +, annual +  and biennial +
biennial +, annual +  and perennial +
herb +  and matted +