Hibiscus tea
From Cookipedia
Hibiscus tea is the infusion made from the calyces (sepals) of the Hibiscus sabdariffa flower, a herbal tea drink consumed both hot and cold by people around the world. It is also referred to as roselle (another common name for the hibiscus flower), jamaica in Latin America, karkady in the Middle East, bissap in West Africa, red sorrel in the Caribbean, and other names in other countries. Hibiscus tea has a tart, cranberry-like flavour, and sugar is often added to sweeten the beverage. The tea contains vitamin C and minerals and is used traditionally as a mild medicine.