Laportea canadensis (L.) Gaud.

Stinging Nettle

Laportea canadensis plant

Family - Urticaceae

Stems - No info yet.

Laportea canadensis stemNote the many stinging hairs.

Leaves - No info yet.

Laportea canadensis leafAdaxial surface.

Laportea canadensis leafAbaxial surface.

Inflorescence - No info yet.

Laportea canadensis inflorescence

Flowers - No info yet.

Laportea canadensis flowers

Flowering - May - September.

Habitat - Bottomland forests, wet woods, floodplain forests.

Origin - Native to U.S.

Other info. - This species can be found throughout Missouri. The plant can be found in large quantities in bottomland forests and river floodplain forests. In Missouri, the plant is nearly always associated with other floodplain species like Elymus virginicus and Viola striata.
L. canadensis can be identified by its alternate, long-petiolate leaves, and painful stinging hairs. All parts of the plant contain the stinging hairs. The itching pain from the hairs lasts only a few minutes.

Photographs taken at Arkansas Post Memorial, AR., 9-7-06.