Arnica

Arnica Montana

large yellow flowers off of branching stalks and flat oval leaves.

Wolf's Bane, Leopard's Bane, Mountain Tobacco, Mountain Arnica

In small doses can help with joint pain.
The juices of the plant if absorbed through the skin causes stomach pains, diarrhea, and vomiting.
If ingested it can cause internal bleeding of the digestive tract, an accelerated heart rate Muscle weakness, and death.