Cheilocostus speciosus (crepe ginger).
Cheilocostus speciosus is one of the most common species of Costaceae in Asia and has been actively introduced as ornamental throughout the tropics. It has repeatedly escaped from cultivation and has become invasive in Cuba, American Samoa, Hawaii, Cook Islands, Micronesia, Fiji, French Polynesia, Palau, and Tonga. In Cuba, this species is listed as an ecosystem transformer. It spreads by seeds and by rhizome division and has the potential form dense thickets, principally in moist habitats.