Ranunculus hederaceus

Linnaeus

Sp. Pl. 1: 556. 1753.

Treatment appears in FNA Volume 3.

Stems glabrous. Leaves all laminate, filiform-dissected leaves absent. Leaf-blade reniform, 0.4-1 × 0.6-1.7 cm, margins shallowly crenate-lobulate, segments rounded. Flowers: receptacle glabrous; sepals recurved, 1.5-2 × 1-1.5 mm, glabrous; petals 5, 2-4 × 1-1.5 mm; style 0.1 mm. Fruiting pedicels recurved. Heads of achenes globose or depressed-globose, 3-4 × 3-4 mm; achenes 1.2-1.6 × 1-1.2 mm, glabrous; beak deciduous, sometimes leaving stub to 0.1 mm. 2n = 16 (Europe).


Phenology: Flowering spring–summer (Apr–Aug).
Habitat: Edges of lakes and ponds on the coastal plain
Elevation: 0-150 m

Distribution

V3 589-distribution-map.gif

Nfld., Md., N.C., Pa., S.C., Va., Europe

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Ranunculus hederaceus"
not prolonged +
flattened-ellipsoid +  and ellipsoid +
1-2 times as wide as thick +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
1mm;1.2mm +
Alan T. Whittemore +
Linnaeus +
cuneate +, truncate +  and cordate +
Ranunculus sect. Batrachium +
curved +  and straight +
deciduous +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
large +  and small +
globose;cylindric +
2-50-flowered +
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Nfld. +, Md. +, N.C. +, Pa. +, S.C. +, Va. +  and Europe +
0-150 m +
showy +  and inconspicuous +
sessile +  and aggregate +
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
Edges of lakes and ponds on the coastal plain +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
depressed-globose;globose +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
whorled +, opposite +  and alternate +
filiform-dissected +
palmate +  and pinnate +
crenate-lobulate +
distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
conspicuous +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Flowering spring–summer (Apr–Aug). +
4 +  and 250 +
not arillate +  and stalked +
entire to shallowly +
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 />) +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
not bulbous-based +
floating +  and creeping +
persistent +
0.1 cm1 mm <br />0.001 m <br /> (?) +
Undefined subg. Batrachium +
Ranunculus hederaceus +
Ranunculus subg. Batrachium +
species +
perennial +  and annual +
herbaceous +  and woody +