Phyllanthus niruri, commonly known as Niruri, is a small, herbaceous plant recognized for its distinctive appearance and traditional uses. This species belongs to the Phyllanthus genus, which is part of the Phyllanthaceae family. Niruri is a globally distributed plant, often found in tropical and subtropical regions. Physically, Phyllanthus niruri typically grows as an erect or spreading annual herb, reaching a height of about 10 to 60 centimeters. Its stems are slender and often branched. The leaves are arranged alternately along the stems and are simple, meaning they are not divided into leaflets. Each leaf is typically oblong to ovate in shape, with smooth margins and a pointed or rounded apex. A notable characteristic of Phyllanthus niruri is that its flowers and fruits appear to grow directly from the underside of the leaves, giving the impression of being borne on the leaf margins. The flowers are small and inconspicuous, usually greenish or whitish, and are unisexual, with male and female flowers often present on the same plant. The fruit is a small, globose capsule that splits open when mature to release its seeds. The seeds are typically triangular or kidney-shaped. The native distribution of Phyllanthus niruri is widespread across tropical and subtropical areas of the Americas, Africa, Asia, and Australia. It thrives in a variety of habitats, often found in disturbed soils, open fields, roadsides, and waste areas. It prefers well-drained soils and can tolerate a range of light conditions, from full sun to partial shade. While it is often considered a weed in agricultural settings due to its rapid growth and ability to colonize disturbed ground, it is also cultivated in some regions. Historically and in traditional medicine systems, Phyllanthus niruri has garnered significant attention. It has been used for a variety of ailments, particularly those affecting the liver and kidneys. Scientific research has explored some of these traditional applications, investigating its phytochemical constituents and their potential biological activities. The plant contains various compounds, including lignans, flavonoids, and alkaloids, which are thought to contribute to its purported medicinal properties. Beyond its medicinal significance, Phyllanthus niruri plays a role in its native ecosystems as a food source for some insects and as a component of the plant community in its preferred habitats. Its ability to readily germinate and grow in disturbed environments highlights its ecological adaptability.