Hedychium coronarium 姜花

Hedychium coronarium (white garland-lily or white ginger lily) is a perennial flowering plant originally from the Himalayas region of Nepal and India. It was introduced in Brazil in the era of slavery, brought to the country by African slaves who used its leaves as mattresses, and is now so common that it is considered an invasive plant. It is also considered an invasive species in Hawaii.