Urtica dioica subsp. dioica

IllustratedIntroduced
Treatment appears in FNA Volume 3.

Stems hispid, with stinging hairs. Leaf blades abaxially hispid, both surfaces with stinging hairs. Flowers unisexual, staminate and pistillate on different plants. 2n = 52.


Phenology: Flowering late spring–early fall.
Habitat: Alluvial woods, margins of deciduous woodlands, fencerows, waste places
Elevation: 0-500 m

Distribution

Introduced; Greenland, St. Pierre and Miquelon, B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., P.E.I., Que., Ala., Alaska, Calif., Conn., Del., D.C., Fla., Ga., Maine, Md., Mass., Mich., Mo., N.H., N.J., N.Y., N.C., Ohio, Okla., Oreg., Pa., Tenn., Va., Wash., W.Va., native to Eurasia.

Discussion

No documented specimens of Urtica diocia var. dioica are known from Vermont; it could occur there in similar habitats.

Selected References

None.

Lower Taxa

None.
David E. Boufford +
Linnaeus +
Greenland +, St. Pierre and Miquelon +, B.C. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, P.E.I. +, Que. +, Ala. +, Alaska +, Calif. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Maine +, Md. +, Mass. +, Mich. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Oreg. +, Pa. +, Tenn. +, Va. +, Wash. +, W.Va. +  and native to Eurasia. +
0-500 m +
Alluvial woods, margins of deciduous woodlands, fencerows, waste places +
Flowering late spring–early fall. +
Illustrated +  and Introduced +
Urtica dioica subsp. dioica +
Urtica dioica +
subspecies +