Oldenlandia corymbosa
Oldenlandia corymbosa, also known as flat-top mille graines or diamond flower, is a small annual herb in the Rubiaceae family. It is widely used in China and India as a traditional remedy for sore eyes and for a variety of conditions including stomach problems, fever, jaundice, digestive issues, diuretic uses, and after childbirth. The roots are said to help expel worms.
The plant has upright, square-shaped stems. Leaves grow opposite each other and may have no stalk or a very short stalk. They are elliptic to narrow-elliptic, about 1.5–2.5 cm long and 4–7 mm wide. Seeds are small and brown, about 0.2 mm long.
This page was last edited on 2 February 2026, at 11:39 (CET).