Ranunculus sceleratus var. sceleratus

Linnaeus
Treatment appears in FNA Volume 3.

Leaf blades lobed or parted, segments undivided or lobed, margins crenate. Achene faces with fine transverse wrinkles. 2n = 32.


Phenology: Flowering late winter–summer (Mar–Sep).
Habitat: Ponds, ditches and riverbanks
Elevation: 0-700 m

Distribution

V3 191-distribution-map.gif

St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., Que., Sask., Ala., Ark., Calif., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., Va., Wash., W.Va., Wis., Europe.

Discussion

Ranunculus sceleratus var. sceleratus is a serious weed of watercourses and marshy fields. It is a naturalized weed in western North America; it is not clear whether it is native in the eastern part of the continent or was introduced from Europe.

Selected References

None.

Lower Taxa

None.
Alan T. Whittemore +
Linnaeus +
St. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, Que. +, Sask. +, Ala. +, Ark. +, Calif. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +  and Europe. +
0-700 m +
Ponds, ditches and riverbanks +
Flowering late winter–summer (Mar–Sep). +
Hecatonia scelerata +
Ranunculus sceleratus var. sceleratus +
Ranunculus sceleratus +
variety +