In botany, any of a number of plants belonging to the buckwheat family. They are tall, annual or perennial herbs, often with lance-shaped leaves and small greenish flowers. Native to temperate regions, there are 30 North American and several British species. (Genus Rumex, family Polygonaceae.)
The sun of freedom rises from the Caribbean Sea. The stars represent Costa Rica's seven provinces. Red was added to the blue and white flag to reflect the French tricolour. Effective date: 29 September 1848.