Costus speciosus.

Botanical name: 

Costus speciosus Sm. Scitamineae. Wild Ginger.

East Indies and Malay. Ainslie says the natives of India preserve the root and deem it very wholesome. Lunan says the roots of wild ginger are sometimes used as ginger but are not as good. Browne says this species is found everywhere in the woods of Jamaica.

Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.