Ranunculus californicus var. californicus

Bentham
Synonyms: Ranunculus californicus var. austromontanus Jepson Ranunculus californicus var. gratus (Greene) L. D. Benson Ranunculus californicus var. rugulosus
Treatment appears in FNA Volume 3.

Stems erect or decumbent, hirsute or glabrous. Basal leaf-blades 2.8-5.8 × 4-6 cm, leaflets or segments undivided or 1-2×-lobed or parted, ultimate segments oblongelliptic to lanceolate or linear, margins toothed or entire, apex acute to rounded-acute. Achenes 1.8-3.2 × 1.4-2.4 mm. 2n = 28.


Phenology: Flowering winter–summer (Mar–Aug).
Habitat: Grassland and open woodland
Elevation: 0-2000 m

Distribution

V3 284-distribution-map.gif

Calif., Oreg., Mexico (Baja California)

Discussion

Ranunculus californicus var. californicus is variable and has been divided into varieties based on indument, achene size, and especially leaf form. Those characters are poorly correlated, however, and most of the named varieties do not seem natural.

Selected References

None.

Lower Taxa

None.

"high" is not a number.

not prolonged +
3-15 times as wide as thick +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
hispid +  and glabrous +
1.4mm;2.4mm +
acute +  and rounded-acute +
Alan T. Whittemore +
Bentham +
2.8 cm28 mm <br />0.028 m <br /> (5.8 cm58 mm <br />0.058 m <br />) +
4 cm40 mm <br />0.04 m <br /> (6 cm60 mm <br />0.06 m <br />) +
not bulbous +
cuneate +, truncate +  and cordate +
persistent +
lanceolate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 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. +, Oreg. +  and Mexico (Baja California) +
0-2000 m +
showy +  and inconspicuous +
sessile +  and aggregate +
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
Grassland and open woodland +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
hemispheric;globose +
0.4 cm4 mm <br />0.004 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 +
1.8 cm18 mm <br />0.018 m <br /> (5.8 cm58 mm <br />0.058 m <br />) +
parted +, 1-2×-lobed +  and undivided +
2.3 cm23 mm <br />0.023 m <br /> (7.6 cm76 mm <br />0.076 m <br />) +
palmate +  and pinnate +
entire;toothed +
0.1mm;0.2mm +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
distinct +
7mm;14mm +
conspicuous +
linear +  and orbiculate +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Flowering winter–summer (Mar–Aug). +
4 +  and 250 +
Pl. Hartw., +
hispid +  and glabrous +
nodal +  and basal +
not arillate +  and stalked +
parted +, 1-2×-lobed +  and undivided +
white;yellow;white;yellow;purple;sometimes;green +
deciduous +
distinct +
oblong +  and elliptic ovate or lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 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 +  and hirsute +
persistent +
Ranunculus californicus var. austromontanus +, Ranunculus californicus var. gratus +  and Ranunculus californicus var. rugulosus +
Ranunculus californicus var. californicus +
Ranunculus californicus +
variety +
perennial +  and annual +
glabrous +  and hispid +
herbaceous +  and woody +