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Justicia adhatoda, commonly known in English as Malabar nut, adulsa, adhatoda, (Malayalam: ആടലോടകം), (Tamil:ஆடாதொடை), vasa (বাসক), or vasaka અરડૂસી (in Gujarati), अडूसा (in Hindi), వాసకం (Telugu), is a medicinal plant native to Asia, widely used in Siddha Medicine, Ayurvedic, homeopathy and Unani systems of medicine.