Urtica

Urtica is a genus of plants commonly known as the nettles. They can produce an itching sensation when they touch skin. The most well-known species is Urtica dioica, the common stinging nettle. 

 Species 
Stinging nettle (Urtica dioica)

Urtica pilulifera

Urtica urens

Urtica hyperborea

Urtica kioviensis 

 References 

Category:Urticaceae