Hedychium is a genus of flowering plants in the ginger family Zingiberaceae, native to lightly wooded habitats in Asia. There are approximately 70-80 known species, native to Southeast Asia (Thailand, Malaysia, Indonesia, the Philippines, etc.), southern China, the Himalayas and Madagascar. Some species have become widely naturalized in other lands (South Africa, South America, Central America, the West Indies, and many of the islands of the Pacific, Indian and Atlantic Oceans) and considered invasive in some places.