Tephrosia adunca
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Fabales
- family: Fabaceae
- genus: Tephrosia
- species: Tephrosia adunca
Chapada dos Guimarães- Rondonópolis
Mato Grosso- Curitiba
Paraná- Caxias do Sul
- Cruz Alta
Rio Grande do Sul
Brazil