Botanical Name : Azima tetracantha Family : Salvadoraceae English : Needle bush Malayalam : Yasanku A small Spiny scrambling shrub grows up to 2 meters in height. Leaves simple, opposite, elliptic, acute, sessile and shiny, leaves are surrounded by 4 sharp thorns. Medicinal uses are for , bronchitis, cough, asthma, diabetes. A magical cough medicine can be prepared from this plant, grind and boil a bunch plant with rice powder. Useful part : Whole plant.