Cymbopogon, commonly known as lemongrass is a genus of Asian, African, Australian, and tropical island plants in the grass family. Some species are commonly cultivated as culinary and medicinal herbs because of their scent, resembling that of lemons. Common names include lemon grass, lemongrass and barbed wire grass. Lemongrass is widely used as a culinary herb in Asian cuisine and also as medicinal herb in India. Research shows that lemongrass oil has antifungal properties. It is a traditional herbal tea used against coughs, colds, etc. It is supposed to help with relieving cough and nasal congestion.