Poison ivy

Toxicodendron quercifolium

Find more about this plant on Wikipedia

Enlarge

Toxicodendron radicans - Author:  D. Gordon E. Robertson  

Poison ivy has occasionally been used medicinally, though it is an extremely poisonous plant and great caution should be exercised. Any herbal use should only be undertaken under the supervision of a qualified practitioner. See also the notes above on toxicity. This plant has been used in the past by physicians in the treatment of paralysis and liver disorders. A decoction of the leaves has been used as a tonic and rejuvenator. The whole or the broken leaves have been rubbed over the skin to treat boils and skin eruptions. The leaves have been rubbed on skin that has been affected by a poison ivy reaction. Source: https://pfaf.org/