Spiral ginger

Cheilocostus speciosus or crêpe ginger is possibly the best known cultivated species of the genus "Costus". This plant is native to southeast Asia and surrounding regions, from India to China to Queensland, It is especially common on the Greater Sunda Islands in Indonesia. It is also reportedly naturalized in Mauritius, Réunion, Fiji, Hawaii, Costa Rica, Belize, Melanesia, Micronesia, and the West Indies.