Robert W. Freckmann Herbarium

Urticaceae: Nettle

Herb, some with stinging hairs and fibrous stems. Greenish flowers on racemes from the leaf axils; watery juice. Leaves simple with stipules mostly toothed.
Sort by: Traits or Genus
Flora of North America: Discussion, key to genera (opens new window)
Flower Formula:  Sepals 4-5; Petals 0 Glossary

Genus 
(Click for Taxon List)
WI Taxa
(map link)
Photo Genus Traits Google Searches
Boehmeria
false nettle
1 Photo of Boehmeria No stinging hairs. Leaves usually opposite. Flowers in spikes. Images   Information
Laportea
wood-nettle
1 Photo of Laportea Stinging hairs. Leaves alternate. Images   Information
Parietaria
pellitory
1 Photo of Parietaria No stinging hairs. Leaves usually alternate. Images   Information
Pilea
clearweed
2 Photo of Pilea No stinging hairs. Leaves usually opposite. Flowers in panicles or round cluster. Images   Information
Urtica
nettle
1 Photo of Urtica Stinging hairs. Leaves opposite. Images   Information


         
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