Oenanthe crocata, commonly known as water hemlock, is a highly toxic plant belonging to the Apiaceae family. It is native to Europe and parts of Asia, often found in wet, marshy areas. The plant can grow up to 1.5 meters tall and features small white flowers arranged in umbrella-shaped clusters, resembling those of carrots or parsley. The toxicity of Oenanthe crocata is primarily due to the presence of potent alkaloids, particularly cicutoxin. Ingesting even a small amount can lead to severe poisoning, causing symptoms such as seizures, respiratory failure, and potentially death. Due to its dangerous nature, it is crucial to avoid contact with this plant.