Phyllanthus niruri

The annual herb Phyllanthus niruri is best known by the common names stone-breaker, chanca piedra and quebra pedra, but has many other common names in assorted languages, including dukong anak, dukong-dukong anak, amin buah, rami buah, turi hutan, and bhuiaonla. It is a widespread tropical plant commonly found in coastal areas. It is a relative of the spurges, belonging to the leafflower genus of Family Phyllanthaceae.

It grows 50 to 70 centimeters tall and bears ascending herbaceous branches. The bark is smooth and light green. It bears numerous pale green flowers which are often flushed with red. The fruits are tiny, smooth capsules containing seeds.

The plant has long been used as an herbal remedy for urinary calculi, and has been shown in modern medical research studies to reduce the risks of stones in individuals prone to the condition. Research on the plant continues to determine if it has any other beneficial effects. It may have antiviral activity.