Oenanthe Crocata is a highly toxic plant that belongs to the carrot family. This plant has various common names, including Hemlock Water Dropwort, Dead Tongue, Water Aconite, and Cowbane. The name Hemlock Water Dropwort came from its resemblance to the poison used by Socrates. Dead Tongue was coined due to its poisonous nature, which can cause paralysis of the tongue. Water Aconite refers to its toxic effects on invertebrates, while Cowbane was given because of its traditional usage in livestock grazing lands. The plant contains a toxin called oenanthotoxin, which affects the central nervous system and can cause serious health problems, even leading to death.