Costus scaber is a species of plant in the family Costaceae.

[1] In Costa Rica, Costus scaber is grown in homegardens and used to treat multiple medical conditions.

[3] In Trinidad, it is used as an ingredient in treating dogs for snakebite.

[4] Costus scaber has been introduced to Hawaii, the Leeward Islands, and Puerto Rico.

[1][5] It has been identified as native[5] or alien[6][7] to Saint Lucia.