Anamirta cocculus, commonly known as Levantnut, is a species of flowering plant in the family Menispermaceae. This woody vine is native to Southeast Asia and is recognized for its distinctive botanical features and historical uses. The plant exhibits a climbing habit, often forming dense thickets in its natural environment. It is a robust liana, capable of reaching considerable heights as it ascends trees. The stems are woody and can become quite thick with age. Leaves are large, alternate, and typically heart-shaped or ovate, with prominent palmate venation. They are generally smooth on the upper surface and may be slightly hairy underneath. The inflorescences are axillary or terminal panicles, bearing numerous small, unisexual flowers. Male flowers typically have three to five sepals and petals, and numerous stamens. Female flowers have similar perianth parts but possess a single carpel. The fruit is a drupe, usually ovoid or globose, and ripens to a dark color. The seed within the drupe is kidney-shaped and is the part most commonly associated with the plant's common name. Anamirta cocculus is found in tropical and subtropical regions of Asia, including India, Sri Lanka, Myanmar, Thailand, Malaysia, and Indonesia. It thrives in humid forests, often along riverbanks and in disturbed areas, preferring well-drained soils and a warm, moist climate. While it is a wild species, its cultivation is not widespread due to its specific ecological requirements and the nature of its historical uses. Historically, the seeds of Anamirta cocculus have been utilized for their potent properties. They contain picrotoxin, a neurotoxic compound that has been employed in traditional medicine and, more notably, as a piscicide (fish poison). This use, particularly in artisanal fishing, has led to concerns regarding its ecological impact and potential for misuse. In some traditional medicinal practices, extracts have been applied externally for skin conditions, though such uses require extreme caution due to the toxicity of the plant. It is crucial to note that due to its toxicity, Anamirta cocculus is not considered safe for internal consumption or for ornamental purposes in gardens where children or pets might have access. A notable characteristic of Anamirta cocculus is the presence of picrotoxin, a sesquiterpene lactone that acts as a GABA receptor antagonist. This chemical property underlies its toxicity and its historical applications. The plant's ability to thrive in dense forest understories and along watercourses highlights its adaptation to humid, tropical environments. The large leaves are efficient at capturing sunlight in shaded conditions, and its climbing habit allows it to access better light exposure higher in the canopy.