Stinging nettle – Urtica dioica
Urtica dioica L.
Urticaceae (Nettle family)
MI Status
Native
Life cycle
Erect, rhizomatous perennial.
Leaves
Opposite, egg- to lance-shaped with a rounded base and pointed tip. Petiolated leaves have coarsely toothed margins, smooth surfaces to a few hairs beneath and long, stinging hairs on the lower surface. Contact with stinging hairs can cause a skin irritation.
Stems
Four-angled, herbaceous stems are usually erect and unbranched, up to 6 feet tall and covered with stinging hairs. Contact with stinging hairs can cause a skin irritation.
Flowers and fruit
Inconspicuous, green to yellow flowers are formed in clusters in the upper leaf axils. The seed is enclosed in a single-seeded, tan, egg-shaped fruit.
Reproduction
Seeds and rhizomes that form extensive colonies.





Other Documents in this Series
You Might Also Be Interested In
-
Accounting for ecosystem services in compensating for the costs of effective conservation in protected areas
Published on October 3, 2017
-
Malletts create MSU Extension emerging needs fund
Published on June 30, 2020
-
MSU alum supports MSU Extension program in Detroit
Published on June 30, 2020
-
Construction Management alum establishes endowment to support Housing Education Research Initiative
Published on August 14, 2020
-
Yvonne Wilson: More than a donor, a legacy for MSU Horticulture Gardens
Published on December 6, 2019
-
MSU Forestry online master’s program producing productive graduates
Published on September 20, 2024
Accessibility Questions:
For questions about accessibility and/or if you need additional accommodations for a specific document, please send an email to ANR Communications & Marketing at anrcommunications@anr.msu.edu.