Odontadenia geminata
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Gentianales
- family: Apocynaceae
- genus: Odontadenia
- species: Odontadenia geminata
Manacapuru- Maués
- Santa Isabel do Rio Negro
Amazonas
Brazil
Bartica
Cuyuni-Mazaruni
Guyana