Chamaecostus is a group of flowering plants in the Costaceae described as a genus in 2006. It is endemic to South America.

Species

• Chamaecostus congestiflorus - Venezuela, N Brazil, Guyana, Suriname, French Guiana
• Chamaecostus curcumoides - French Guiana
• Chamaecostus cuspidatus - E Brazil
• Chamaecostus fragilis - Colombia, N Brazil
• Chamaecostus fusiformis - Pará
• Chamaecostus lanceolatus - Colombia, Venezuela, Brazil, Guyana, Suriname, French Guiana
• Chamaecostus subsessilis - Brazil, Bolivia

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