Which of the following causes almost unbearable irritation of the skin?

Options

A. lint of gossypium
B. staminal hair tradescantia
C. Prickles of rosa indica
D. stinging hair of urtica dioica

Answer

D

Explanation

Stinging hair of urtica dioca are hollow hair that contains siliceous tips and enclose a poison which is injected into the skin of animals rubbing against them and causing unbrearable pair or irritation.