Ranunculus pacificus

(Hultén) L. D. Benson

Amer. Midl. Naturalist 40: 79. 1948.

Endemic
Basionym: Ranunculus septentrionalis subsp. pacificus Hultén Acta Univ. Lund, n.s. 40: 769. 1944
Treatment appears in FNA Volume 3.
Revision as of 07:21, 30 July 2020 by imported>Volume Importer
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Stems erect or reclining, never rooting nodally, hispid or glabrous, base not bulbous. Roots never tuberous. Basal leaf-blades broadly triangular to cordate in outline, 3-foliolate, 6-13 × 8-16 cm, leaflets lobed, margins toothed, ultimate segments elliptic to lance-elliptic or oblong, margins toothed, apex acute or obtuse. Flowers: receptacle hispid; sepals reflexed 1-2 mm above base, 6-9 × 3-4 mm, sparsely hispid; petals 5, abaxially yellow or purplish, adaxially yellow, 9-11 × 6-8 mm. Heads of achenes ovoid to globose, 9-11 × 8-11 mm; achenes 3.2-3.8 × 2-3 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, lanceolate or subulate from triangular base, straight or tip weakly hooked, 1-1.8 mm.


Phenology: Flowering summer (Jul).
Habitat: Along streams and in meadows
Elevation: 0 m

Distribution

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Alaska.

Discussion

Ranunculus pacificus is endemic to the Alaska panhandle.

Selected References

None.

Lower Taxa

None.

"high" is not a number.

... more about "Ranunculus pacificus"
not prolonged +
3-15 times as wide as thick +
0.32 cm3.2 mm <br />0.0032 m <br /> - 0.38 cm3.8 mm <br />0.0038 m <br /> +
obtuse +  and acute +
Alan T. Whittemore +
- Hultén L. D. Benson +
6 cm60 mm <br />0.06 m <br /> - 13 cm130 mm <br />0.13 m <br /> +
8 cm80 mm <br />0.08 m <br /> - 16 cm160 mm <br />0.16 m <br /> +
not bulbous +
triangular +
Ranunculus septentrionalis subsp. pacificus +
straight +
persistent +
subulate +  and lanceolate +
0 cm0 mm <br />0 m <br /> - 0.45 cm4.5 mm <br />0.0045 m <br /> +
large +  and small +
globose;cylindric +
1-50-flowered +
0 cm0 mm <br />0 m <br /> - 25 cm250 mm <br />0.25 m <br /> +
showy +  and inconspicuous +
sessile +  and aggregate +
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
Along streams and in meadows +
0.9 cm9 mm <br />0.009 m <br /> - 1.1 cm11 mm <br />0.011 m <br /> +
ovoid;globose +
0.8 cm8 mm <br />0.008 m <br /> - 1.1 cm11 mm <br />0.011 m <br /> +
axillary +  and terminal +
reniform +  and linear +
whorled +, opposite +  and alternate +
cauline +  and basal +
parted +  and lobed +
palmate +  and pinnate +
toothed;toothed +
0.1mm;0.2mm +
yellow +  and purplish +
distinct +
9mm;11mm +
conspicuous +
linear +  and orbiculate +
reduced +
0.1 cm1 mm <br />0.001 m <br /> - 2.6 cm26 mm <br />0.026 m <br /> +
0.6 cm6 mm <br />0.006 m <br /> - 0.8 cm8 mm <br />0.008 m <br /> +
Flowering summer - Jul. +
4 +  and 250 +
Amer. Midl. Naturalist +
nodal +  and basal +
not arillate +  and stalked +
parted +  and lobed +
white;yellow;white;yellow;purple;sometimes;green +
deciduous +
distinct +
oblong +  and elliptic ovate or lanceolate +
0.1 cm1 mm <br />0.001 m <br /> - 0.2 cm2 mm <br />0.002 m <br /> +
0.3 cm3 mm <br />0.003 m <br /> - 0.4 cm4 mm <br />0.004 m <br /> +
- 5-10-many +
reclining +  and erect +
glabrous +  and hispid +
persistent +
Ranunculus sect. Chrysanthe +
Ranunculus pacificus +
Ranunculus sect. Ranunculus +
species +
hooked +
0.1 cm1 mm <br />0.001 m <br /> - 0.18 cm1.8 mm <br />0.0018 m <br /> +
perennial +  and annual +
glabrous +  and hispid +
herbaceous +  and woody +