Prestonia quinquangularis
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Gentianales
- family: Apocynaceae
- genus: Prestonia
- species: Prestonia quinquangularis
Santa Isabel do Rio Negro
AmazonasSidrolândia
Mato Grosso do SulPorto Velho
Rondônia
BrazilSanta Rosa
Bolívar
ColombiaBagaces
Guanacaste
Costa RicaCiudad Bolívar
Bolívar
Venezuela