Ranunculus occidentalis var. ultramontanus

Greene

Pittonia 3: 13. 1896.

Endemic
Treatment appears in FNA Volume 3.

Stems ± reclining, 1-3 mm thick, hirsute or sometimes glabrous. Basal leaf-blades 3-foliolate, rarely merely 3-parted, ultimate segments oblong or elliptic to lanceolate or oblanceolate, margins dentate or dentate-lobulate. Flowers: sepals 5, 4-6 mm; petals 5-6, 6-8 × 1.5-2.5 mm. Achenes 3-3.4 × 2-2.6 mm, glabrous, rarely hispid; beak lanceolate, curved, 0.4-1.2 mm.


Phenology: Flowering spring–summer (May–Jul).
Habitat: Meadows
Elevation: 1300-2100 m

Discussion

Ranunculus occidentalis var. ultramontanus is found at middle elevations in the Sierra Nevada, southern Cascades, and northeastern Coast Ranges. It intergrades with var. occidentalis in the region of elevational overlap.

Selected References

None.

Lower Taxa

None.

"high" is not a number.

0.36 cm3.6 mm <br />0.0036 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
not prolonged +
3-15 times as wide as thick +
0.3 cm3 mm <br />0.003 m <br /> (0.34 cm3.4 mm <br />0.0034 m <br />) +
hispid +  and glabrous +
2mm;2.6mm +
acute +  and rounded-obtuse +
Alan T. Whittemore +
Greene +
1.5 cm15 mm <br />0.015 m <br /> (5.3 cm53 mm <br />0.053 m <br />) +
2.2 cm22 mm <br />0.022 m <br /> (8 cm80 mm <br />0.08 m <br />) +
not bulbous +
cuneate +, truncate +  and cordate +
persistent +
lanceolate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 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 />) +
Calif. +, Nev. +  and Oreg. +
1300-2100 m +
showy +  and inconspicuous +
sessile +  and aggregate +
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
Meadows +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
hemispheric +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
axillary +  and terminal +
reniform +  and linear +
whorled +, opposite +  and alternate +
cauline +  and basal +
parted +  and lobed +
palmate +  and pinnate +
dentate-lobulate;dentate +
0.1mm;0.2mm +
distinct +
conspicuous +
linear +  and orbiculate +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Flowering spring–summer (May–Jul). +
4 +  and 250 +
nodal +  and basal +
not arillate +  and stalked +
1(-2)×-lobed +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
white;yellow;white;yellow;purple;sometimes;green +
deciduous +
distinct +
oblong +  and elliptic ovate or lanceolate +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
(5-)10-many +
glabrous +  and hirsute +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
persistent +
Ranunculus sect. Chrysanthe +
Ranunculus occidentalis var. ultramontanus +
Ranunculus occidentalis +
variety +
perennial +  and annual +
glabrous +  and hispid +
herbaceous +  and woody +