Phyllanthus niruri

Phyllanthus niruri is a widespread tropical plant commonly found in coastal areas, known by the common names gale of the wind, stonebreaker, shatter stone, seed-under-leaf, quebra pedra and chance pierre. It is in the genus Phyllanthus of the family Phyllanthaceae.

Description
It grows 50-70 cm 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.

Research
A 2011 Cochrane review found that there is "no convincing evidence that phyllanthus, compared with placebo, benefits patients with chronic HBV (hepatitis B virus) infection."