Toxic Plant Molecules

Atropine: an alkaloid found in belladonna (Atropa belladonna). It affects the nervous system and is used in medicine under strict control.

Strychnine: highly toxic substance found in the plant Strychnos nux-vomica. It acts on the central nervous system, causing intense convulsions.

Ricin: toxin found in castor beans (Ricinus communis). It inhibits protein synthesis and is considered extremely lethal.