Andrographis paniculata
Acanthaceae
Andrographis paniculata, commonly known as Kalmegh or "King of Bitters," is a leafy, annual herbaceous plant native to India and Sri Lanka. It thrives in tropical and subtropical climates and is easily recognized by its intensely bitter leaves and small purple flowers. In Ayurveda, Unani, and Traditional Chinese Medicine, this herb is valued for its detoxifying, cooling, and anti-infective qualities.