Azima tetracantha, commonly known as Bee sting bush (Yashanku in Malayalam, Kundali in Sanskrit)is used in folk lore herbal medicine practices in the villages of South Kerala as a vitalizer and stimulant. The plant belongs to the family Salvadoraceae. It is a rambling shrub, with four thorns at right angle to each other, at each node.It is used in medicine practices for the treatment of rheumatism and as diuretic, disinfectant and odontalgic. The stem, petiole and leaf were subjected for pharmacognostic studies, phytochemical analysis were done using leaves and antioxidant properties were...