Stinging Nettle Plant- Urtica Dioica Stock Photography

Stinging nettle or Common nettle- Urtica dioica- Herbaceous perennial flowering plant having stinging hairs called trichomes on leaves and stem, which are like hypodermic needles injecting histamine and other chemicals that produce stinging sensation when contacted by human and other animals- Their sting is protective rather than aggressive, causing more panic than damage. Thiruvananthapuram, Kerala, India