Salacia is an herb that is indeginous to India and Sri Lanka. It is also  called Saptarangi. The root and stem are used to make medicine.
Salacia includes a long history useful as remedy for diabetes in Ayurveda, traditional Indian medicine. Mugs produced from salacia wood are employed by people with diabetes to drink water.
Along with treating diabetes, salacia is useful for treating gonorrhea, asthma, itchiness, joint (rheumatism), obesity, thirst, and menstrual problems.