DR. NICK KURZENKO / SCIENCE PHOTO LIBRARY DR. NICK KURZENKO / SCIENCE PHOTO LIBRARY
Chrysanthemum flowers (C. cinerariifolium). This plant contains pyrethrin, a natural insecticide. To obtain the poison, the flowers of the plant are either dried and powdered, or the oils within the flowers are extracted with solvents.
Model release not required. Property release not required.