Leafy Spurge (Euphorbia esula) is a yellowish-green, flowering perennial which is considered to be an invasive noxious weed in horse pastures worldwide. The plant is of the Euphorbiaceae (spurge) family, which are known for containing a milky sap within their stems and leaves. This sap contains diterpene esters, which are skin and gastrointestinal tract irritants. The sap remains toxic in fresh or dried plants.
- Irritation and blistering of the mouth and skin around the mouth