👉 Schizopteromiris is a genus of flowering plants in the family Apiaceae, commonly known as the poison ivy plant or poison oak. These plants are native to Europe and North America, with some species found in Asia and Australia. They have several forms including poison ivy, poison oak, and poison willow. The leaves are usually pinnate (two lobes), and they produce toxic alkaloids that cause irritation and allergic reactions when ingested or inhaled.