Binomial Name – Catharanthus roseus
Nithyakalyani/Bright Eyes/நித்திய கல்யாணி
It was formerly included in the genus Vinca as Vinca rosea.
In Ayurveda (Indian traditional medicine) the extracts of its roots and shoots, though poisonous, are used against several diseases.
Nithyakalyani (Catharanthus roseus) is also used for treating diarrhea, vaginal discharge, throat ailments, tonsillitis, chest pain, high blood pressure, sore throat, intestinal pain and swelling (inflammation), toothache, and water retention (edema).