Stachyarrhena acutiloba
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Gentianales
- family: Rubiaceae
- genus: Stachyarrhena
- species: Stachyarrhena acutiloba
Tabatinga
Amazonas
BrazilRamón Castilla
Loreto
Peru