Arnica montana

Wolf's bane, a reference photo
Photo: Franz Eugen Köhler, Köhlers Medizinal-Pflanzen · Public domain

Arnica montana, also known as leopard's bane, mountain tobacco and mountain arnica, is a moderately toxic European flowering plant in the daisy family Asteraceae that has a large yellow flower head. The names "wolf's bane" and "leopard's bane" are also used for another plant, Aconitum, which is extremely poisonous.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

Considered toxic. Public sources list it as such; we have not verified this individually. It contains the toxin helenalin, which can be poisonous if large amounts of the plant are eaten or small amounts of concentrated Arnica are used. Consumption of A. montana can produce severe gastroenteritis, internal… Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Asterales
Family
Asteraceae
Genus
Arnica
Species
Arnica montana

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