The roselle (Hibiscus sabdariffa) is a species of Hibiscus native to the Old World tropics, used for the production of bast fibre and as an infusion. It is an annual or perennial herb or woody-based subshrub, growing to 2-2.5 m (7-8 ft) tall. The leaves are deeply three- to five-lobed, 8-15 cm (3-6 in) long, arranged alternately on the stems.

A popular roselle variety planted in Malaysia, aka variety Terengganu. Roselle fruits are harvested fresh, and their calyces are made into a drink rich in vitamin C and anthocyanins.
Many parts of the plant are also claimed to have various medicinal values. They have been used for such purposes ranging from Mexico through Africa and India to Thailand. Roselle is associated with traditional medicine and is reported to be used as treatment for several diseases such as hypertension and urinary tract infections