Chelonanthus is a genus of flowering plants belonging to the family Gentianaceae.

Its native range is Tropical America.

Species:

• Chelonanthus hamatus Lepis
• Chelonanthus longistylus (J.G.M.Pers. & Maas) Struwe & V.A.Albert
• Chelonanthus matogrossensis (J.G.M.Pers. & Maas) Struwe & V.A.Albert
• Chelonanthus pterocaulis Lepis
• Chelonanthus purpurascens (Aubl.) Struwe, S.Nilsson & V.A.Albert

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