Ranunculus trilobus

Desfontaines

Fl. Atlant. 1: 437. 1799.

Introduced
Treatment appears in FNA Volume 3.

Stems erect or reclining, hispid or sometimes glabrous. Basal and lower cauline leaf-blades cordate-ovate, 3-foliolate, 5-8 × 3-6 (-7) cm, leaflets again cleft or parted, leaflet base obtuse to acute, margins dentate, apex rounded to acute. Flowers pedicellate; receptacle hispid; sepals 5, reflexed, 3-4 × 2 mm, sparsely hispid; petals 5, 4-5 × 2-3 mm. Heads of achenes ovoid, 8-9 × 6-7 mm; achenes 30-60 per head, 2 × 2 mm, faces densely tuberculate, glabrous, margin smooth; beak semicircular, hooked, 0.3 mm.


Phenology: Flowering spring (Apr).
Habitat: Fields and roadsides
Elevation: 0-100 m

Distribution

V3 122-distribution-map.gif

Introduced; Ala., Fla., La., S.C., Tex., native to Europe

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Ranunculus trilobus"
not prolonged +
3-7 times as wide as thick +
2 cm20 mm <br />0.02 m <br /> (?) +
rounded +  and acute +
Alan T. Whittemore +
Desfontaines +
6 cm60 mm <br />0.06 m <br /> (7 cm70 mm <br />0.07 m <br />) +
5 cm50 mm <br />0.05 m <br /> (8 cm80 mm <br />0.08 m <br />) +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
cuneate +, truncate +  and cordate +
curved +  and straight +
0.3 cm3 mm <br />0.003 m <br /> (?) +
large +  and small +
globose;cylindric +
2-16-flowered +
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Ala. +, Fla. +, La. +, S.C. +, Tex. +  and native to Europe +
0-100 m +
tuberculate +
showy +  and inconspicuous +
sessile +  and aggregate +
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
Fields and roadsides +
0.8 cm8 mm <br />0.008 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
axillary +  and terminal +
reniform +  and linear +
petiolate +, compound +  and simple +
whorled +, opposite +  and alternate +
cauline +  and basal +
parted +  and lobed +
obtuse;acute +
parted +  and cleft +
palmate +  and pinnate +
toothed;crenate;toothed;crenate;entire +
narrow;broad +
distinct +
conspicuous +
linear +  and orbiculate +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering spring (Apr). +
4 +  and 250 +
Fl. Atlant. +
not arillate +  and stalked +
unlobed +  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 /> (1.5 cm15 mm <br />0.015 m <br />) +
2 cm20 mm <br />0.02 m <br /> (?) +
Introduced +
(5-)10-many +
not bulbous-based +
reclining +  and erect +
glabrous +  and hispid +
persistent +
Ranunculus trilobus +
Ranunculus sect. Echinella +
species +
perennial +  and annual +
glabrous +  and pubescent +
herbaceous +  and woody +