Jamaica Tea flower (Karkade, Roselle) - "Agua de Flor de Jamaica", also called agua de Jamaica and rosa de Jamaica, is popular in Jamaica, Mexico, Central America, and parts of South America and the Caribbean. It is one of beverages made from fresh juices or extracts. It is served chilled, and in Jamaica this drink is a tradition on Christmas, served with fruit cake or potato pudding. In Panama both the flowers and the drink are called saril (a derivative of the Jamaican word sorrel). In the United States, hibiscus tea was popularized as "Red Zinger". Flowers are used to make a cold or hot tea sweetened with sugar. There has been some Medical studies which indicate that it lowers high blood pressure and also has diuretic effects. The flavor is on the tart side similar to a cranberry juice. In Mexico, it is also used for granites, ice pops and sangria. See video about Jamaican Tea Hibiscus.