Roselle, a member of Hibiscus family, is a very well-known medicinal plant and the plant can be found in almost all tropical and subtropical countries such as India, Saudi Arabia, Malaysia, Indonesia, Thailand, Philippines, Vietnam, Sudan, Egypt and Mexico. 

In Malaysia, Roselle is commonly known as asam kumbang, asam susur and asam paya. Other names for Roselle in different languages are Luo shen hua 洛神花 (Chinese), Pulichai kerai (Tamil) and Red sorrel (English). Scientifically, Roselle is known as Hibiscus sabdariffa L. or also synonym with Abelmoschus cruentus and Furcaria sabdariffa.

For centuries, Roselle has been used in number of dishes, beverages and conventional remedy of diseases. It is popular for its edible fleshy calyces and leaves that are used for making salads, tea, juices, jams, jellies, ice-cream, and many other products.