Ranunculus orthorhynchus var. platyphyllus

A. Gray

Proc. Amer. Acad. Arts 21: 377. 1886.

Endemic
Treatment appears in FNA Volume 3.

Basal leaf-blades ovate to semicircular in outline, 3-5-foliolate, leaflets 1×-lobed or parted, segments narrowly elliptic to linear, margins dentate or dentate-lobulate, apex obtuse to narrowly acute. Flowers: petals abaxially yellow, 7-11 mm broad, rounded. Heads of achenes globose or ovoid, 8-13 mm; beak 2-3 mm. 2n = 32.


Phenology: Flowering late winter–summer (Mar–Aug).
Habitat: Meadows and marshy areas
Elevation: 0-2700 m

Distribution

V3 458-distribution-map.gif

B.C., Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

"high" is not a number.

not prolonged +
3-15 times as wide as thick +
0.28 cm2.8 mm <br />0.0028 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
1.8mm;3.2mm +
obtuse +  and narrowly acute +
Alan T. Whittemore +
A. Gray +
2.8 cm28 mm <br />0.028 m <br /> (12.5 cm125 mm <br />0.125 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (14 cm140 mm <br />0.14 m <br />) +
not bulbous +
cuneate +, truncate +  and cordate +
0.38 cm3.8 mm <br />0.0038 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
straight +
persistent +
narrowly lanceolate +  and subulate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 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 />) +
B.C. +, Calif. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
0-2700 m +
showy +  and inconspicuous +
sessile +  and aggregate +
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
Meadows and marshy areas +
0.5 cm5 mm <br />0.005 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
ovoid;globose +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
axillary +  and terminal +
reniform +  and linear +
whorled +, opposite +  and alternate +
cauline +  and basal +
parted +  and lobed +
parted +  and 1×-lobed +
palmate +  and pinnate +
dentate-lobulate;dentate +
0.1mm;0.2mm +
distinct +
8mm;18mm +
conspicuous +
rounded +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
Flowering late winter–summer (Mar–Aug). +
4 +  and 250 +
Proc. Amer. Acad. Arts +
nodal +  and basal +
not arillate +  and stalked +
elliptic to linear +  and elliptic +
parted +, 1-2×-lobed +  and undivided +
white;yellow;white;yellow;purple;sometimes;green +
deciduous +
distinct +
glabrous +, hirsute +  and hispid +
oblong +  and elliptic ovate or lanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
(5-)10-many +
decumbent +  and erect +
glabrous +, strigose +  and hispid +
persistent +
Ranunculus sect. Chrysanthe +
Ranunculus orthorhynchus var. platyphyllus +
Ranunculus orthorhynchus +
variety +
perennial +  and annual +
glabrous +  and hispid +
herbaceous +  and woody +