Aconitum

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Aconitum

a genus of the Ranunculaceae family from northern temperate areas. Includes A. chasmanthum, A. columbianum, A. ferox, A. vaccarum, A. vulpari.

Aconitum napellus
one of the most poisonous of British plants. All parts of the plant contain aconitine, one of the plant's toxic alkaloids. The dried tuberous root was used pharmaceutically as a counterirritant and local anesthetic. The plant is not usually eaten and field poisoning with it is uncommon. Signs of poisoning include vomiting, colic, slow heart rate, paralysis, pupillary dilatation and death due to asphyxia. Called also monkshood, wolf's bane, aconite.