Ginger has a pungent-lemony, warm-sweet flavour. It's a warming spice. In the middle ages, ginger was valued on par with black pepper. A pound of it was worth the price of a sheep.
India is the world's largest ginger producer. The finest quality ginger - Cochin ginger and Calicut ginger - comes from Kerala.
Almost all Indian curry recipes include ginger. The traditional method is to chop ginger finely and fry it along with onions. Ginger was one of the man's earliest medicine, much prescribed for treating stomach distress.