👉 Gnathocortus is a genus of flowering plants in the family Araceae, commonly known as the nightshade or poison ivy plant. These plants are native to Europe and North America, where they grow on trees, shrubs, and rocks. They contain compounds that can cause allergic reactions in humans, especially those with certain genetic mutations, such as those linked to the HLA system. Gnathocortus is a common pathogen that causes plant diseases, including black
