Which Plant Has Stingy Hairs On Their Stems?

Which Plant Has Stingy Hairs On Their Stems? Stinging nettle (Urtica dioica) is found throughout Eurasia, North America, and northern Africa, and has been introduced to parts of South America. The leaves and young stems of this herbaceous plant are fitted with stinging hairs tipped with formic acid and other irritants. What plant has stingy